Springs - Extension

Springs -> Extension
OD (D0) Overall Length (L0) Wire Diameter (d) Max. Extension (L1) Spring Rate Initial Tension (IT) Indicative
Image
OD (D0)
5.00
mm

(Equiv. 0.197 in.)
Overall Length (L0)
35
mm

(Equiv. 1.378 in.)
Wire Diameter (d)
0.800
mm

(Equiv. 0.031 in.)
Max. Extension (L1)
45.00
mm
Spring Rate
1.57
N/mm
Initial Tension (IT)
5.1
N
Extension Springs - 5x35x0.8 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Load at L1: 20.79 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-0500-0350-08-S4 (5 Pcs)
Extension Springs - 5x35x0.8 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
$12.95 AUD
$15.55 AUD $12.95 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0) Overall Length (L0) Wire Diameter (d) Max. Extension (L1) Indicative
Image
OD (D0)
5.00
mm

(Equiv. 0.197 in.)
Overall Length (L0)
35
mm

(Equiv. 1.378 in.)
Wire Diameter (d)
0.800
mm

(Equiv. 0.031 in.)
Max. Extension (L1)
45.00
mm
Extension Springs - 5x35x0.8 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Spring Rate: 1.57 N/mm    Initial Tension (IT): 5.1 N    Load at L1: 20.79 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-0500-0350-08-S4 (5 Pcs)
Extension Springs - 5x35x0.8 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
$12.95 AUD
$15.55 AUD $12.95 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
5.00
mm

(Equiv. 0.197 in.)
Overall Length (L0)
40
mm

(Equiv. 1.575 in.)
Wire Diameter (d)
0.450
mm

(Equiv. 0.018 in.)
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 (5 Pcs)
Extension Springs - 5x40x0.45 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
$7.32 AUD
$15.07 AUD $7.32 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
5.00
mm

(Equiv. 0.197 in.)
Overall Length (L0)
40
mm

(Equiv. 1.575 in.)
Wire Diameter (d)
0.450
mm

(Equiv. 0.018 in.)
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 (5 Pcs)
Extension Springs - 5x40x0.45 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
$7.32 AUD
$15.07 AUD $7.32 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
5.00
mm

(Equiv. 0.197 in.)
Overall Length (L0)
40
mm

(Equiv. 1.575 in.)
Wire Diameter (d)
0.450
mm

(Equiv. 0.018 in.)
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 (5 Pcs)
Extension Springs - 5x40x0.45 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
$15.23 AUD
$18.27 AUD $15.23 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
5.00
mm

(Equiv. 0.197 in.)
Overall Length (L0)
40
mm

(Equiv. 1.575 in.)
Wire Diameter (d)
0.450
mm

(Equiv. 0.018 in.)
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 (5 Pcs)
Extension Springs - 5x40x0.45 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
$15.23 AUD
$18.27 AUD $15.23 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
5.00
mm

(Equiv. 0.197 in.)
Overall Length (L0)
40
mm

(Equiv. 1.575 in.)
Wire Diameter (d)
0.500
mm

(Equiv. 0.02 in.)
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 (5 Pcs)
Extension Springs - 5x40x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
$13.41 AUD
$16.09 AUD $13.41 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
5.00
mm

(Equiv. 0.197 in.)
Overall Length (L0)
40
mm

(Equiv. 1.575 in.)
Wire Diameter (d)
0.500
mm

(Equiv. 0.02 in.)
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 (5 Pcs)
Extension Springs - 5x40x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
$13.41 AUD
$16.09 AUD $13.41 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
5.00
mm

(Equiv. 0.197 in.)
Overall Length (L0)
40
mm

(Equiv. 1.575 in.)
Wire Diameter (d)
0.500
mm

(Equiv. 0.02 in.)
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 (5 Pcs)
Extension Springs - 5x40x0.5 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
$7.32 AUD
$15.07 AUD $7.32 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
5.00
mm

(Equiv. 0.197 in.)
Overall Length (L0)
40
mm

(Equiv. 1.575 in.)
Wire Diameter (d)
0.500
mm

(Equiv. 0.02 in.)
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 (5 Pcs)
Extension Springs - 5x40x0.5 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
$7.32 AUD
$15.07 AUD $7.32 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
5.00
mm

(Equiv. 0.197 in.)
Overall Length (L0)
40
mm

(Equiv. 1.575 in.)
Wire Diameter (d)
0.550
mm

(Equiv. 0.022 in.)
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 (50 Pcs)
Extension Springs - 5x40x0.55 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
$130.95 AUD
$157.15 AUD $130.95 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
OD (D0)
5.00
mm

(Equiv. 0.197 in.)
Overall Length (L0)
40
mm

(Equiv. 1.575 in.)
Wire Diameter (d)
0.550
mm

(Equiv. 0.022 in.)
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 (50 Pcs)
Extension Springs - 5x40x0.55 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
$130.95 AUD
$157.15 AUD $130.95 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
OD (D0)
5.00
mm

(Equiv. 0.197 in.)
Overall Length (L0)
40
mm

(Equiv. 1.575 in.)
Wire Diameter (d)
0.550
mm

(Equiv. 0.022 in.)
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 (100 Pcs)
Extension Springs - 5x40x0.55 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
$142.50 AUD
$301.32 AUD $142.50 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
OD (D0)
5.00
mm

(Equiv. 0.197 in.)
Overall Length (L0)
40
mm

(Equiv. 1.575 in.)
Wire Diameter (d)
0.550
mm

(Equiv. 0.022 in.)
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 (100 Pcs)
Extension Springs - 5x40x0.55 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
$142.50 AUD
$301.32 AUD $142.50 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
OD (D0)
5.00
mm

(Equiv. 0.197 in.)
Overall Length (L0)
40
mm

(Equiv. 1.575 in.)
Wire Diameter (d)
0.600
mm

(Equiv. 0.024 in.)
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 (5 Pcs)
Extension Springs - 5x40x0.6 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
$7.32 AUD
$15.07 AUD $7.32 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
5.00
mm

(Equiv. 0.197 in.)
Overall Length (L0)
40
mm

(Equiv. 1.575 in.)
Wire Diameter (d)
0.600
mm

(Equiv. 0.024 in.)
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 (5 Pcs)
Extension Springs - 5x40x0.6 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
$7.32 AUD
$15.07 AUD $7.32 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
5.00
mm

(Equiv. 0.197 in.)
Overall Length (L0)
40
mm

(Equiv. 1.575 in.)
Wire Diameter (d)
0.600
mm

(Equiv. 0.024 in.)
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 (5 Pcs)
Extension Springs - 5x40x0.6 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
$13.59 AUD
$16.31 AUD $13.59 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
5.00
mm

(Equiv. 0.197 in.)
Overall Length (L0)
40
mm

(Equiv. 1.575 in.)
Wire Diameter (d)
0.600
mm

(Equiv. 0.024 in.)
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 (5 Pcs)
Extension Springs - 5x40x0.6 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
$13.59 AUD
$16.31 AUD $13.59 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
5.00
mm

(Equiv. 0.197 in.)
Overall Length (L0)
40
mm

(Equiv. 1.575 in.)
Wire Diameter (d)
0.700
mm

(Equiv. 0.028 in.)
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 (5 Pcs)
Extension Springs - 5x40x0.7 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
$7.32 AUD
$15.07 AUD $7.32 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
5.00
mm

(Equiv. 0.197 in.)
Overall Length (L0)
40
mm

(Equiv. 1.575 in.)
Wire Diameter (d)
0.700
mm

(Equiv. 0.028 in.)
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 (5 Pcs)
Extension Springs - 5x40x0.7 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
$7.32 AUD
$15.07 AUD $7.32 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
5.00
mm

(Equiv. 0.197 in.)
Overall Length (L0)
40
mm

(Equiv. 1.575 in.)
Wire Diameter (d)
0.800
mm

(Equiv. 0.031 in.)
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 (100 Pcs)
Extension Springs - 5x40x0.8 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
$142.50 AUD
$301.32 AUD $142.50 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
OD (D0)
5.00
mm

(Equiv. 0.197 in.)
Overall Length (L0)
40
mm

(Equiv. 1.575 in.)
Wire Diameter (d)
0.800
mm

(Equiv. 0.031 in.)
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 (100 Pcs)
Extension Springs - 5x40x0.8 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
$142.50 AUD
$301.32 AUD $142.50 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
OD (D0)
5.00
mm

(Equiv. 0.197 in.)
Overall Length (L0)
45
mm

(Equiv. 1.772 in.)
Wire Diameter (d)
0.500
mm

(Equiv. 0.02 in.)
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 (5 Pcs)
Extension Springs - 5x45x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
$13.59 AUD
$16.31 AUD $13.59 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
5.00
mm

(Equiv. 0.197 in.)
Overall Length (L0)
45
mm

(Equiv. 1.772 in.)
Wire Diameter (d)
0.500
mm

(Equiv. 0.02 in.)
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 (5 Pcs)
Extension Springs - 5x45x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
$13.59 AUD
$16.31 AUD $13.59 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
5.00
mm

(Equiv. 0.197 in.)
Overall Length (L0)
45
mm

(Equiv. 1.772 in.)
Wire Diameter (d)
0.500
mm

(Equiv. 0.02 in.)
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 (5 Pcs)
Extension Springs - 5x45x0.5 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
$7.32 AUD
$15.07 AUD $7.32 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
5.00
mm

(Equiv. 0.197 in.)
Overall Length (L0)
45
mm

(Equiv. 1.772 in.)
Wire Diameter (d)
0.500
mm

(Equiv. 0.02 in.)
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 (5 Pcs)
Extension Springs - 5x45x0.5 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
$7.32 AUD
$15.07 AUD $7.32 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
5.00
mm

(Equiv. 0.197 in.)
Overall Length (L0)
45
mm

(Equiv. 1.772 in.)
Wire Diameter (d)
0.800
mm

(Equiv. 0.031 in.)
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 (100 Pcs)
Extension Springs - 5x45x0.8 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
$142.50 AUD
$301.32 AUD $142.50 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
OD (D0)
5.00
mm

(Equiv. 0.197 in.)
Overall Length (L0)
45
mm

(Equiv. 1.772 in.)
Wire Diameter (d)
0.800
mm

(Equiv. 0.031 in.)
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 (100 Pcs)
Extension Springs - 5x45x0.8 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
$142.50 AUD
$301.32 AUD $142.50 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
OD (D0)
5.00
mm

(Equiv. 0.197 in.)
Overall Length (L0)
50
mm

(Equiv. 1.969 in.)
Wire Diameter (d)
0.550
mm

(Equiv. 0.022 in.)
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 (100 Pcs)
Extension Springs - 5x50x0.55 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
$142.50 AUD
$301.32 AUD $142.50 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
OD (D0)
5.00
mm

(Equiv. 0.197 in.)
Overall Length (L0)
50
mm

(Equiv. 1.969 in.)
Wire Diameter (d)
0.550
mm

(Equiv. 0.022 in.)
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 (100 Pcs)
Extension Springs - 5x50x0.55 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
$142.50 AUD
$301.32 AUD $142.50 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
OD (D0)
5.00
mm

(Equiv. 0.197 in.)
Overall Length (L0)
50
mm

(Equiv. 1.969 in.)
Wire Diameter (d)
0.550
mm

(Equiv. 0.022 in.)
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 (5 Pcs)
Extension Springs - 5x50x0.55 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
$14.50 AUD
$17.40 AUD $14.50 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
5.00
mm

(Equiv. 0.197 in.)
Overall Length (L0)
50
mm

(Equiv. 1.969 in.)
Wire Diameter (d)
0.550
mm

(Equiv. 0.022 in.)
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 (5 Pcs)
Extension Springs - 5x50x0.55 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
$14.50 AUD
$17.40 AUD $14.50 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
5.00
mm

(Equiv. 0.197 in.)
Overall Length (L0)
50
mm

(Equiv. 1.969 in.)
Wire Diameter (d)
0.800
mm

(Equiv. 0.031 in.)
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 (100 Pcs)
Extension Springs - 5x50x0.8 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
$148.59 AUD
$314.28 AUD $148.59 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
OD (D0)
5.00
mm

(Equiv. 0.197 in.)
Overall Length (L0)
50
mm

(Equiv. 1.969 in.)
Wire Diameter (d)
0.800
mm

(Equiv. 0.031 in.)
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 (100 Pcs)
Extension Springs - 5x50x0.8 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
$148.59 AUD
$314.28 AUD $148.59 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
OD (D0)
5.50
mm

(Equiv. 0.217 in.)
Overall Length (L0)
19.8
mm

(Equiv. 0.78 in.)
Wire Diameter (d)
0.80
mm

(Equiv. 0.031 in.)
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
Part Number: ES-0550-0198-08-S2
Extension Springs - 5.5x19.8x0.8 mm - Stainless Steel 302/304 Similar to A2, 18-8 Spring
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
Quantity Required

1 Available Now. These are priced to quit. Please contact us for a quote if you require more.
OD (D0)
5.50
mm

(Equiv. 0.217 in.)
Overall Length (L0)
19.8
mm

(Equiv. 0.78 in.)
Wire Diameter (d)
0.80
mm

(Equiv. 0.031 in.)
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
Part Number: ES-0550-0198-08-S2
Extension Springs - 5.5x19.8x0.8 mm - Stainless Steel 302/304 Similar to A2, 18-8 Spring
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
Quantity Required

1 Available Now. These are priced to quit. Please contact us for a quote if you require more.
OD (D0)
5.50
mm

(Equiv. 0.217 in.)
Overall Length (L0)
27.7
mm

(Equiv. 1.091 in.)
Wire Diameter (d)
0.50
mm

(Equiv. 0.02 in.)
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
Extension Springs - 5.5x27.7x0.5 mm - Stainless Steel 302/304 Similar to A2, 18-8 Spring
39 Available Now | Further orders can be expected around Fri, Oct 24, 2025
$7.41 AUD
$13.85 AUD $7.41 AUD
Each
Quantity Required

39 Available Now. Backorder if more than 39.
OD (D0)
5.50
mm

(Equiv. 0.217 in.)
Overall Length (L0)
27.7
mm

(Equiv. 1.091 in.)
Wire Diameter (d)
0.50
mm

(Equiv. 0.02 in.)
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
Extension Springs - 5.5x27.7x0.5 mm - Stainless Steel 302/304 Similar to A2, 18-8 Spring
39 Available Now | Further orders can be expected around Fri, Oct 24, 2025
$7.41 AUD
$13.85 AUD $7.41 AUD
Each
Quantity Required

39 Available Now. Backorder if more than 39.
OD (D0)
5.54
mm

(Equiv. 0.218 in.)
Overall Length (L0)
82.6
mm

(Equiv. 3.252 in.)
Wire Diameter (d)
0.64
mm

(Equiv. 0.025 in.)
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
Extension Springs - 5.54x82.6x0.64 mm Stainless Steel - Steel - Zinc Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025
$7.05 AUD
$8.45 AUD $7.05 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
5.54
mm

(Equiv. 0.218 in.)
Overall Length (L0)
82.6
mm

(Equiv. 3.252 in.)
Wire Diameter (d)
0.64
mm

(Equiv. 0.025 in.)
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
Extension Springs - 5.54x82.6x0.64 mm Stainless Steel - Steel - Zinc Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025
$7.05 AUD
$8.45 AUD $7.05 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
5.60
mm

(Equiv. 0.22 in.)
Overall Length (L0)
35.8
mm

(Equiv. 1.409 in.)
Wire Diameter (d)
0.40
mm

(Equiv. 0.016 in.)
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
Extension Springs - 5.6x35.8x0.4 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
$5.59 AUD
$10.62 AUD $5.59 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
5.60
mm

(Equiv. 0.22 in.)
Overall Length (L0)
35.8
mm

(Equiv. 1.409 in.)
Wire Diameter (d)
0.40
mm

(Equiv. 0.016 in.)
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
Extension Springs - 5.6x35.8x0.4 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
$5.59 AUD
$10.62 AUD $5.59 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
5.60
mm

(Equiv. 0.22 in.)
Overall Length (L0)
86.6
mm

(Equiv. 3.409 in.)
Wire Diameter (d)
0.40
mm

(Equiv. 0.016 in.)
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
Extension Springs - 5.6x86.6x0.4 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
$5.68 AUD
$10.66 AUD $5.68 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
5.60
mm

(Equiv. 0.22 in.)
Overall Length (L0)
86.6
mm

(Equiv. 3.409 in.)
Wire Diameter (d)
0.40
mm

(Equiv. 0.016 in.)
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
Extension Springs - 5.6x86.6x0.4 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
$5.68 AUD
$10.66 AUD $5.68 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
5.60
mm

(Equiv. 0.22 in.)
Overall Length (L0)
111.8
mm

(Equiv. 4.402 in.)
Wire Diameter (d)
0.50
mm

(Equiv. 0.02 in.)
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
Extension Springs - 5.6x111.8x0.5 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
$5.68 AUD
$10.73 AUD $5.68 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
5.60
mm

(Equiv. 0.22 in.)
Overall Length (L0)
111.8
mm

(Equiv. 4.402 in.)
Wire Diameter (d)
0.50
mm

(Equiv. 0.02 in.)
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
Extension Springs - 5.6x111.8x0.5 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
$5.68 AUD
$10.73 AUD $5.68 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
6.00
mm

(Equiv. 0.236 in.)
Overall Length (L0)
20
mm

(Equiv. 0.787 in.)
Wire Diameter (d)
0.550
mm

(Equiv. 0.022 in.)
Max. Extension (L1)
36.20
mm
Spring Rate
0.34
N/mm
Initial Tension (IT)
0.6
N
Extension Springs - 6x20x0.55 mm - Steel
Material: Steel    Load at L1: 6.08 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0600-0200-055-M (5 Pcs)
Extension Springs - 6x20x0.55 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
$7.14 AUD
$14.74 AUD $7.14 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
6.00
mm

(Equiv. 0.236 in.)
Overall Length (L0)
20
mm

(Equiv. 0.787 in.)
Wire Diameter (d)
0.550
mm

(Equiv. 0.022 in.)
Max. Extension (L1)
36.20
mm
Extension Springs - 6x20x0.55 mm - Steel
Material: Steel    Spring Rate: 0.34 N/mm    Initial Tension (IT): 0.6 N    Load at L1: 6.08 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0600-0200-055-M (5 Pcs)
Extension Springs - 6x20x0.55 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
$7.14 AUD
$14.74 AUD $7.14 AUD
Per 5
Quantity Required

Backorder: Out of Stock.