Springs - Extension

Springs -> Extension
OD (D0) Overall Length (L0) Wire Diameter (d) Max. Extension (L1) Spring Rate Initial Tension (IT) Indicative
Image
Extension Springs - 5x35x0.8 mm Music Wire - Steel Spring
OD (D0)
5.00
mm
Overall Length (L0)
35
mm
Wire Diameter (d)
0.800
mm
Max. Extension (L1)
45.00
mm
Spring Rate
1.57
N/mm
Initial Tension (IT)
5.1
N
Extension Springs - 5x35x0.8 mm - Steel
Material: Steel    Load at L1: 20.79 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0500-0350-08-M (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 12, 2026
$126.77 AUD
$268.20 AUD $126.77 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
OD (D0) Overall Length (L0) Wire Diameter (d) Max. Extension (L1) Indicative
Image
Extension Springs - 5x35x0.8 mm Music Wire - Steel Spring
OD (D0)
5.00
mm
Overall Length (L0)
35
mm
Wire Diameter (d)
0.800
mm
Max. Extension (L1)
45.00
mm
Extension Springs - 5x35x0.8 mm - Steel
Material: Steel    Spring Rate: 1.57 N/mm    Initial Tension (IT): 5.1 N    Load at L1: 20.79 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0500-0350-08-M (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 12, 2026
$126.77 AUD
$268.20 AUD $126.77 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 5x40x0.45 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
5.00
mm
Overall Length (L0)
40
mm
Wire Diameter (d)
0.450
mm
Max. Extension (L1)
83.00
mm
Spring Rate
0.06
N/mm
Initial Tension (IT)
0.5
N
Extension Springs - 5x40x0.45 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Load at L1: 3.24 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-0500-0400-045-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 12, 2026
$13.23 AUD
$15.87 AUD $13.23 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 5x40x0.45 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
5.00
mm
Overall Length (L0)
40
mm
Wire Diameter (d)
0.450
mm
Max. Extension (L1)
83.00
mm
Extension Springs - 5x40x0.45 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Spring Rate: 0.06 N/mm    Initial Tension (IT): 0.5 N    Load at L1: 3.24 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-0500-0400-045-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 12, 2026
$13.23 AUD
$15.87 AUD $13.23 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 5x40x0.45 mm Music Wire - Steel Spring
OD (D0)
5.00
mm
Overall Length (L0)
40
mm
Wire Diameter (d)
0.450
mm
Max. Extension (L1)
83.00
mm
Spring Rate
0.06
N/mm
Initial Tension (IT)
0.5
N
Extension Springs - 5x40x0.45 mm - Steel
Material: Steel    Load at L1: 3.24 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0500-0400-045-M (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 12, 2026
$6.50 AUD
$13.41 AUD $6.50 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 5x40x0.45 mm Music Wire - Steel Spring
OD (D0)
5.00
mm
Overall Length (L0)
40
mm
Wire Diameter (d)
0.450
mm
Max. Extension (L1)
83.00
mm
Extension Springs - 5x40x0.45 mm - Steel
Material: Steel    Spring Rate: 0.06 N/mm    Initial Tension (IT): 0.5 N    Load at L1: 3.24 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0500-0400-045-M (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 12, 2026
$6.50 AUD
$13.41 AUD $6.50 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 5x40x0.5 mm Music Wire - Steel Spring
OD (D0)
5.00
mm
Overall Length (L0)
40
mm
Wire Diameter (d)
0.500
mm
Max. Extension (L1)
74.00
mm
Spring Rate
0.10
N/mm
Initial Tension (IT)
0.9
N
Extension Springs - 5x40x0.5 mm - Steel
Material: Steel    Load at L1: 4.22 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0500-0400-05-M (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 12, 2026
$6.50 AUD
$13.41 AUD $6.50 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 5x40x0.5 mm Music Wire - Steel Spring
OD (D0)
5.00
mm
Overall Length (L0)
40
mm
Wire Diameter (d)
0.500
mm
Max. Extension (L1)
74.00
mm
Extension Springs - 5x40x0.5 mm - Steel
Material: Steel    Spring Rate: 0.10 N/mm    Initial Tension (IT): 0.9 N    Load at L1: 4.22 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0500-0400-05-M (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 12, 2026
$6.50 AUD
$13.41 AUD $6.50 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 5x40x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
5.00
mm
Overall Length (L0)
40
mm
Wire Diameter (d)
0.500
mm
Max. Extension (L1)
74.00
mm
Spring Rate
0.10
N/mm
Initial Tension (IT)
0.9
N
Extension Springs - 5x40x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Load at L1: 4.22 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-0500-0400-05-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 12, 2026
$11.59 AUD
$13.91 AUD $11.59 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 5x40x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
5.00
mm
Overall Length (L0)
40
mm
Wire Diameter (d)
0.500
mm
Max. Extension (L1)
74.00
mm
Extension Springs - 5x40x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Spring Rate: 0.10 N/mm    Initial Tension (IT): 0.9 N    Load at L1: 4.22 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-0500-0400-05-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 12, 2026
$11.59 AUD
$13.91 AUD $11.59 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 5x40x0.55 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
5.00
mm
Overall Length (L0)
40
mm
Wire Diameter (d)
0.550
mm
Max. Extension (L1)
68.30
mm
Spring Rate
0.18
N/mm
Initial Tension (IT)
1.4
N
Extension Springs - 5x40x0.55 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Load at L1: 6.37 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-0500-0400-055-S4 (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 12, 2026
$113.68 AUD
$136.42 AUD $113.68 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 5x40x0.55 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
5.00
mm
Overall Length (L0)
40
mm
Wire Diameter (d)
0.550
mm
Max. Extension (L1)
68.30
mm
Extension Springs - 5x40x0.55 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Spring Rate: 0.18 N/mm    Initial Tension (IT): 1.4 N    Load at L1: 6.37 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-0500-0400-055-S4 (PK-50)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 12, 2026
$113.68 AUD
$136.42 AUD $113.68 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 5x40x0.55 mm Music Wire - Steel Spring
OD (D0)
5.00
mm
Overall Length (L0)
40
mm
Wire Diameter (d)
0.550
mm
Max. Extension (L1)
68.30
mm
Spring Rate
0.18
N/mm
Initial Tension (IT)
1.4
N
Extension Springs - 5x40x0.55 mm - Steel
Material: Steel    Load at L1: 6.37 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0500-0400-055-M (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 12, 2026
$126.77 AUD
$268.20 AUD $126.77 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 5x40x0.55 mm Music Wire - Steel Spring
OD (D0)
5.00
mm
Overall Length (L0)
40
mm
Wire Diameter (d)
0.550
mm
Max. Extension (L1)
68.30
mm
Extension Springs - 5x40x0.55 mm - Steel
Material: Steel    Spring Rate: 0.18 N/mm    Initial Tension (IT): 1.4 N    Load at L1: 6.37 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0500-0400-055-M (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 12, 2026
$126.77 AUD
$268.20 AUD $126.77 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 5x40x0.6 mm Music Wire - Steel Spring
OD (D0)
5.00
mm
Overall Length (L0)
40
mm
Wire Diameter (d)
0.600
mm
Max. Extension (L1)
64.50
mm
Spring Rate
0.28
N/mm
Initial Tension (IT)
1.6
N
Extension Springs - 5x40x0.6 mm - Steel
Material: Steel    Load at L1: 8.53 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0500-0400-06-M (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 12, 2026
$6.50 AUD
$13.41 AUD $6.50 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 5x40x0.6 mm Music Wire - Steel Spring
OD (D0)
5.00
mm
Overall Length (L0)
40
mm
Wire Diameter (d)
0.600
mm
Max. Extension (L1)
64.50
mm
Extension Springs - 5x40x0.6 mm - Steel
Material: Steel    Spring Rate: 0.28 N/mm    Initial Tension (IT): 1.6 N    Load at L1: 8.53 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0500-0400-06-M (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 12, 2026
$6.50 AUD
$13.41 AUD $6.50 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 5x40x0.6 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
5.00
mm
Overall Length (L0)
40
mm
Wire Diameter (d)
0.600
mm
Max. Extension (L1)
64.50
mm
Spring Rate
0.28
N/mm
Initial Tension (IT)
1.6
N
Extension Springs - 5x40x0.6 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Load at L1: 8.53 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-0500-0400-06-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 12, 2026
$11.77 AUD
$14.13 AUD $11.77 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 5x40x0.6 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
5.00
mm
Overall Length (L0)
40
mm
Wire Diameter (d)
0.600
mm
Max. Extension (L1)
64.50
mm
Extension Springs - 5x40x0.6 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Spring Rate: 0.28 N/mm    Initial Tension (IT): 1.6 N    Load at L1: 8.53 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-0500-0400-06-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 12, 2026
$11.77 AUD
$14.13 AUD $11.77 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 5x40x0.7 mm Music Wire - Steel Spring
OD (D0)
5.00
mm
Overall Length (L0)
40
mm
Wire Diameter (d)
0.700
mm
Max. Extension (L1)
59.20
mm
Spring Rate
0.64
N/mm
Initial Tension (IT)
2.4
N
Extension Springs - 5x40x0.7 mm - Steel
Material: Steel    Load at L1: 14.71 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0500-0400-07-M (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 12, 2026
$6.50 AUD
$13.41 AUD $6.50 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 5x40x0.7 mm Music Wire - Steel Spring
OD (D0)
5.00
mm
Overall Length (L0)
40
mm
Wire Diameter (d)
0.700
mm
Max. Extension (L1)
59.20
mm
Extension Springs - 5x40x0.7 mm - Steel
Material: Steel    Spring Rate: 0.64 N/mm    Initial Tension (IT): 2.4 N    Load at L1: 14.71 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0500-0400-07-M (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 12, 2026
$6.50 AUD
$13.41 AUD $6.50 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 5x40x0.8 mm Music Wire - Steel Spring
OD (D0)
5.00
mm
Overall Length (L0)
40
mm
Wire Diameter (d)
0.800
mm
Max. Extension (L1)
51.40
mm
Spring Rate
1.38
N/mm
Initial Tension (IT)
5.1
N
Extension Springs - 5x40x0.8 mm - Steel
Material: Steel    Load at L1: 20.79 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0500-0400-08-M (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 12, 2026
$126.77 AUD
$268.20 AUD $126.77 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 5x40x0.8 mm Music Wire - Steel Spring
OD (D0)
5.00
mm
Overall Length (L0)
40
mm
Wire Diameter (d)
0.800
mm
Max. Extension (L1)
51.40
mm
Extension Springs - 5x40x0.8 mm - Steel
Material: Steel    Spring Rate: 1.38 N/mm    Initial Tension (IT): 5.1 N    Load at L1: 20.79 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0500-0400-08-M (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 12, 2026
$126.77 AUD
$268.20 AUD $126.77 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 5x45x0.5 mm Music Wire - Steel Spring
OD (D0)
5.00
mm
Overall Length (L0)
45
mm
Wire Diameter (d)
0.500
mm
Max. Extension (L1)
82.70
mm
Spring Rate
0.09
N/mm
Initial Tension (IT)
0.9
N
Extension Springs - 5x45x0.5 mm - Steel
Material: Steel    Load at L1: 4.22 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0500-0450-05-M (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 12, 2026
$6.50 AUD
$13.41 AUD $6.50 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 5x45x0.5 mm Music Wire - Steel Spring
OD (D0)
5.00
mm
Overall Length (L0)
45
mm
Wire Diameter (d)
0.500
mm
Max. Extension (L1)
82.70
mm
Extension Springs - 5x45x0.5 mm - Steel
Material: Steel    Spring Rate: 0.09 N/mm    Initial Tension (IT): 0.9 N    Load at L1: 4.22 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0500-0450-05-M (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 12, 2026
$6.50 AUD
$13.41 AUD $6.50 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 5x45x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
5.00
mm
Overall Length (L0)
45
mm
Wire Diameter (d)
0.500
mm
Max. Extension (L1)
82.70
mm
Spring Rate
0.09
N/mm
Initial Tension (IT)
0.9
N
Extension Springs - 5x45x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Load at L1: 4.22 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-0500-0450-05-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 12, 2026
$11.77 AUD
$14.13 AUD $11.77 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 5x45x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
5.00
mm
Overall Length (L0)
45
mm
Wire Diameter (d)
0.500
mm
Max. Extension (L1)
82.70
mm
Extension Springs - 5x45x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Spring Rate: 0.09 N/mm    Initial Tension (IT): 0.9 N    Load at L1: 4.22 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-0500-0450-05-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 12, 2026
$11.77 AUD
$14.13 AUD $11.77 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 5x45x0.8 mm Music Wire - Steel Spring
OD (D0)
5.00
mm
Overall Length (L0)
45
mm
Wire Diameter (d)
0.800
mm
Max. Extension (L1)
58.30
mm
Spring Rate
1.18
N/mm
Initial Tension (IT)
5.1
N
Extension Springs - 5x45x0.8 mm - Steel
Material: Steel    Load at L1: 20.79 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0500-0450-08-M (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 12, 2026
$126.77 AUD
$268.20 AUD $126.77 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 5x45x0.8 mm Music Wire - Steel Spring
OD (D0)
5.00
mm
Overall Length (L0)
45
mm
Wire Diameter (d)
0.800
mm
Max. Extension (L1)
58.30
mm
Extension Springs - 5x45x0.8 mm - Steel
Material: Steel    Spring Rate: 1.18 N/mm    Initial Tension (IT): 5.1 N    Load at L1: 20.79 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0500-0450-08-M (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 12, 2026
$126.77 AUD
$268.20 AUD $126.77 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 5x50x0.55 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
5.00
mm
Overall Length (L0)
50
mm
Wire Diameter (d)
0.550
mm
Max. Extension (L1)
86.40
mm
Spring Rate
0.14
N/mm
Initial Tension (IT)
1.4
N
Extension Springs - 5x50x0.55 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Load at L1: 6.37 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-0500-0500-055-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 12, 2026
$12.50 AUD
$15.00 AUD $12.50 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 5x50x0.55 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
5.00
mm
Overall Length (L0)
50
mm
Wire Diameter (d)
0.550
mm
Max. Extension (L1)
86.40
mm
Extension Springs - 5x50x0.55 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Spring Rate: 0.14 N/mm    Initial Tension (IT): 1.4 N    Load at L1: 6.37 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-0500-0500-055-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 12, 2026
$12.50 AUD
$15.00 AUD $12.50 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 5x50x0.55 mm Music Wire - Steel Spring
OD (D0)
5.00
mm
Overall Length (L0)
50
mm
Wire Diameter (d)
0.550
mm
Max. Extension (L1)
86.40
mm
Spring Rate
0.14
N/mm
Initial Tension (IT)
1.4
N
Extension Springs - 5x50x0.55 mm - Steel
Material: Steel    Load at L1: 6.37 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0500-0500-055-M (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 12, 2026
$126.77 AUD
$268.20 AUD $126.77 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 5x50x0.55 mm Music Wire - Steel Spring
OD (D0)
5.00
mm
Overall Length (L0)
50
mm
Wire Diameter (d)
0.550
mm
Max. Extension (L1)
86.40
mm
Extension Springs - 5x50x0.55 mm - Steel
Material: Steel    Spring Rate: 0.14 N/mm    Initial Tension (IT): 1.4 N    Load at L1: 6.37 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0500-0500-055-M (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 12, 2026
$126.77 AUD
$268.20 AUD $126.77 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 5x50x0.8 mm Music Wire - Steel Spring
OD (D0)
5.00
mm
Overall Length (L0)
50
mm
Wire Diameter (d)
0.800
mm
Max. Extension (L1)
65.20
mm
Spring Rate
1.03
N/mm
Initial Tension (IT)
5.1
N
Extension Springs - 5x50x0.8 mm - Steel
Material: Steel    Load at L1: 20.79 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0500-0500-08-M (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 12, 2026
$131.95 AUD
$279.00 AUD $131.95 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 5x50x0.8 mm Music Wire - Steel Spring
OD (D0)
5.00
mm
Overall Length (L0)
50
mm
Wire Diameter (d)
0.800
mm
Max. Extension (L1)
65.20
mm
Extension Springs - 5x50x0.8 mm - Steel
Material: Steel    Spring Rate: 1.03 N/mm    Initial Tension (IT): 5.1 N    Load at L1: 20.79 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0500-0500-08-M (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 12, 2026
$131.95 AUD
$279.00 AUD $131.95 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 5.5x19.8x0.8 mm - Stainless Steel 302/304 Similar to A2, 18-8 Spring
OD (D0)
5.50
mm
Overall Length (L0)
19.8
mm
Wire Diameter (d)
0.80
mm
Max. Extension (L1)
30.00
mm
Spring Rate
2.08
N/mm
Initial Tension (IT)
4.0
N
Extension Springs - 5.5x19.8x0.8 mm - Stainless Steel 302/304 Similar to A2, 18-8
Material: Stainless Steel 302/304 (Similar to A2, 18-8)    Load at L1: 25.17 N   
Category: Springs - Extension - Stainless Steel
Deleted Item. Available while stocks last.
Part Number: ES-0550-0198-08-S2 (Each)
1 Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
$27.21 AUD
$51.70 AUD $27.21 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

1 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Extension Springs - 5.5x19.8x0.8 mm - Stainless Steel 302/304 Similar to A2, 18-8 Spring
OD (D0)
5.50
mm
Overall Length (L0)
19.8
mm
Wire Diameter (d)
0.80
mm
Max. Extension (L1)
30.00
mm
Extension Springs - 5.5x19.8x0.8 mm - Stainless Steel 302/304 Similar to A2, 18-8
Material: Stainless Steel 302/304 (Similar to A2, 18-8)    Spring Rate: 2.08 N/mm    Initial Tension (IT): 4.0 N    Load at L1: 25.17 N   
Category: Springs - Extension - Stainless Steel
Deleted Item. Available while stocks last.
Part Number: ES-0550-0198-08-S2 (Each)
1 Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
$27.21 AUD
$51.70 AUD $27.21 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

1 Available Now. These are priced to quit. Please contact us for a quote if you require more.
Extension Springs - 5.5x27.7x0.5 mm - Stainless Steel 302/304 Similar to A2, 18-8 Spring
OD (D0)
5.50
mm
Overall Length (L0)
27.7
mm
Wire Diameter (d)
0.50
mm
Max. Extension (L1)
80.00
mm
Spring Rate
0.26
N/mm
Initial Tension (IT)
2.1
N
Extension Springs - 5.5x27.7x0.5 mm - Stainless Steel 302/304 Similar to A2, 18-8
Material: Stainless Steel 302/304 (Similar to A2, 18-8)    Load at L1: 6.50 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-0550-0277-05-S2 (Each)
39 Available Now | Further orders can be expected around Sun, Aug 02, 2026
$7.41 AUD
$13.85 AUD $7.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 39 available can be backordered.
Extension Springs - 5.5x27.7x0.5 mm - Stainless Steel 302/304 Similar to A2, 18-8 Spring
OD (D0)
5.50
mm
Overall Length (L0)
27.7
mm
Wire Diameter (d)
0.50
mm
Max. Extension (L1)
80.00
mm
Extension Springs - 5.5x27.7x0.5 mm - Stainless Steel 302/304 Similar to A2, 18-8
Material: Stainless Steel 302/304 (Similar to A2, 18-8)    Spring Rate: 0.26 N/mm    Initial Tension (IT): 2.1 N    Load at L1: 6.50 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-0550-0277-05-S2 (Each)
39 Available Now | Further orders can be expected around Sun, Aug 02, 2026
$7.41 AUD
$13.85 AUD $7.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

39 Available Now. Backorder if more than 39.
Extension Springs - 5.54x82.6x0.64 mm Stainless Steel - Steel - Zinc Spring
OD (D0)
5.54
mm
Overall Length (L0)
82.6
mm
Wire Diameter (d)
0.64
mm
Spring Rate
0.12
N/mm
Initial Tension (IT)
0.1
N
Extension Springs - 5.54x82.6x0.64 mm - Steel - Zinc
Material: Steel - Zinc   
Category: Springs - Extension - Stainless Steel
Part Number: ES-0554-0826-06-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jun 28, 2026
$7.05 AUD
$8.45 AUD $7.05 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 5.54x82.6x0.64 mm Stainless Steel - Steel - Zinc Spring
OD (D0)
5.54
mm
Overall Length (L0)
82.6
mm
Wire Diameter (d)
0.64
mm
Extension Springs - 5.54x82.6x0.64 mm - Steel - Zinc
Material: Steel - Zinc    Spring Rate: 0.12 N/mm    Initial Tension (IT): 0.1 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-0554-0826-06-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jun 28, 2026
$7.05 AUD
$8.45 AUD $7.05 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 5.6x35.8x0.4 mm Music Wire - Steel Spring
OD (D0)
5.60
mm
Overall Length (L0)
35.8
mm
Wire Diameter (d)
0.40
mm
Initial Tension (IT)
0.0
N
Extension Springs - 5.6x35.8x0.4 mm - Steel
Material: Steel   
Category: Springs - Extension - Music Wire
Part Number: ES-0556-0358-04-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
$6.23 AUD
$11.77 AUD $6.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 5.6x35.8x0.4 mm Music Wire - Steel Spring
OD (D0)
5.60
mm
Overall Length (L0)
35.8
mm
Wire Diameter (d)
0.40
mm
Extension Springs - 5.6x35.8x0.4 mm - Steel
Material: Steel    Initial Tension (IT): 0.0 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0556-0358-04-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
$6.23 AUD
$11.77 AUD $6.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 5.6x86.6x0.4 mm Music Wire - Steel Spring
OD (D0)
5.60
mm
Overall Length (L0)
86.6
mm
Wire Diameter (d)
0.40
mm
Initial Tension (IT)
0.0
N
Extension Springs - 5.6x86.6x0.4 mm - Steel
Material: Steel   
Category: Springs - Extension - Music Wire
Part Number: ES-0556-0866-04-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
$6.23 AUD
$11.81 AUD $6.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 5.6x86.6x0.4 mm Music Wire - Steel Spring
OD (D0)
5.60
mm
Overall Length (L0)
86.6
mm
Wire Diameter (d)
0.40
mm
Extension Springs - 5.6x86.6x0.4 mm - Steel
Material: Steel    Initial Tension (IT): 0.0 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0556-0866-04-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
$6.23 AUD
$11.81 AUD $6.23 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 5.6x111.8x0.5 mm Music Wire - Steel Spring
OD (D0)
5.60
mm
Overall Length (L0)
111.8
mm
Wire Diameter (d)
0.50
mm
Initial Tension (IT)
0.0
N
Extension Springs - 5.6x111.8x0.5 mm - Steel
Material: Steel   
Category: Springs - Extension - Music Wire
Part Number: ES-0556-1118-05-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
$6.32 AUD
$11.88 AUD $6.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 5.6x111.8x0.5 mm Music Wire - Steel Spring
OD (D0)
5.60
mm
Overall Length (L0)
111.8
mm
Wire Diameter (d)
0.50
mm
Extension Springs - 5.6x111.8x0.5 mm - Steel
Material: Steel    Initial Tension (IT): 0.0 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0556-1118-05-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
$6.32 AUD
$11.88 AUD $6.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 6x20x0.55 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
6.00
mm
Overall Length (L0)
20
mm
Wire Diameter (d)
0.550
mm
Max. Extension (L1)
36.20
mm
Spring Rate
0.34
N/mm
Initial Tension (IT)
0.6
N
Extension Springs - 6x20x0.55 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Load at L1: 6.08 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-0600-0200-055-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 12, 2026
$9.50 AUD
$11.40 AUD $9.50 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 6x20x0.55 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
6.00
mm
Overall Length (L0)
20
mm
Wire Diameter (d)
0.550
mm
Max. Extension (L1)
36.20
mm
Extension Springs - 6x20x0.55 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Spring Rate: 0.34 N/mm    Initial Tension (IT): 0.6 N    Load at L1: 6.08 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-0600-0200-055-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 12, 2026
$9.50 AUD
$11.40 AUD $9.50 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.