Springs - Extension - Stainless Steel

Springs -> Extension -> Stainless Steel
OD (D0) Approx. Overall Length (L0) Wire Diameter (d) Max. Extension (L1) Spring Rate Initial Tension (IT) Indicative
Image
Extension Springs - 4x30x0.45 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
4.00
mm
Approx. Overall Length (L0)
30
mm
Wire Diameter (d)
0.450
mm
Max. Extension (L1)
51.70
mm
Spring Rate
0.18
N/mm
Initial Tension (IT)
1.0
N
Extension Springs - 4x30x0.45 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2 or 18-8) HRB80    Load at L1: 4.81 N   
Part Number: ES-0400-0300-045-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
$11.23 AUD
$13.47 AUD $11.23 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
OD (D0) Approx. Overall Length (L0) Wire Diameter (d) Max. Extension (L1) Indicative
Image
Extension Springs - 4x30x0.45 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
4.00
mm
Approx. Overall Length (L0)
30
mm
Wire Diameter (d)
0.450
mm
Max. Extension (L1)
51.70
mm
Extension Springs - 4x30x0.45 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2 or 18-8) HRB80    Spring Rate: 0.18 N/mm    Initial Tension (IT): 1.0 N    Load at L1: 4.81 N   
Part Number: ES-0400-0300-045-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
$11.23 AUD
$13.47 AUD $11.23 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4x30x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
4.00
mm
Approx. Overall Length (L0)
30
mm
Wire Diameter (d)
0.500
mm
Max. Extension (L1)
47.50
mm
Spring Rate
0.29
N/mm
Initial Tension (IT)
1.2
N
Extension Springs - 4x30x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2 or 18-8) HRB80    Load at L1: 6.37 N   
Part Number: ES-0400-0300-05-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
$10.68 AUD
$12.82 AUD $10.68 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4x30x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
4.00
mm
Approx. Overall Length (L0)
30
mm
Wire Diameter (d)
0.500
mm
Max. Extension (L1)
47.50
mm
Extension Springs - 4x30x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2 or 18-8) HRB80    Spring Rate: 0.29 N/mm    Initial Tension (IT): 1.2 N    Load at L1: 6.37 N   
Part Number: ES-0400-0300-05-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
$10.68 AUD
$12.82 AUD $10.68 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4x35x0.4 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
4.00
mm
Approx. Overall Length (L0)
35
mm
Wire Diameter (d)
0.400
mm
Max. Extension (L1)
68.70
mm
Spring Rate
0.08
N/mm
Initial Tension (IT)
0.6
N
Extension Springs - 4x35x0.4 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2 or 18-8) HRB80    Load at L1: 3.24 N   
Part Number: ES-0400-0350-04-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
$13.50 AUD
$16.20 AUD $13.50 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4x35x0.4 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
4.00
mm
Approx. Overall Length (L0)
35
mm
Wire Diameter (d)
0.400
mm
Max. Extension (L1)
68.70
mm
Extension Springs - 4x35x0.4 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2 or 18-8) HRB80    Spring Rate: 0.08 N/mm    Initial Tension (IT): 0.6 N    Load at L1: 3.24 N   
Part Number: ES-0400-0350-04-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
$13.50 AUD
$16.20 AUD $13.50 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4x40x0.35 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
4.00
mm
Approx. Overall Length (L0)
40
mm
Wire Diameter (d)
0.350
mm
Max. Extension (L1)
100.30
mm
Spring Rate
0.03
N/mm
Initial Tension (IT)
0.2
N
Extension Springs - 4x40x0.35 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2 or 18-8) HRB80    Load at L1: 2.26 N   
Part Number: ES-0400-0400-035-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
$12.41 AUD
$14.89 AUD $12.41 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4x40x0.35 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
4.00
mm
Approx. Overall Length (L0)
40
mm
Wire Diameter (d)
0.350
mm
Max. Extension (L1)
100.30
mm
Extension Springs - 4x40x0.35 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2 or 18-8) HRB80    Spring Rate: 0.03 N/mm    Initial Tension (IT): 0.2 N    Load at L1: 2.26 N   
Part Number: ES-0400-0400-035-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
$12.41 AUD
$14.89 AUD $12.41 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4x40x0.4 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
4.00
mm
Approx. Overall Length (L0)
40
mm
Wire Diameter (d)
0.400
mm
Max. Extension (L1)
78.50
mm
Spring Rate
0.07
N/mm
Initial Tension (IT)
0.6
N
Extension Springs - 4x40x0.4 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2 or 18-8) HRB80    Load at L1: 3.24 N   
Part Number: ES-0400-0400-04-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
$13.95 AUD
$16.75 AUD $13.95 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4x40x0.4 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
4.00
mm
Approx. Overall Length (L0)
40
mm
Wire Diameter (d)
0.400
mm
Max. Extension (L1)
78.50
mm
Extension Springs - 4x40x0.4 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2 or 18-8) HRB80    Spring Rate: 0.07 N/mm    Initial Tension (IT): 0.6 N    Load at L1: 3.24 N   
Part Number: ES-0400-0400-04-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
$13.95 AUD
$16.75 AUD $13.95 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4x40x0.45 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
4.00
mm
Approx. Overall Length (L0)
40
mm
Wire Diameter (d)
0.450
mm
Max. Extension (L1)
70.00
mm
Spring Rate
0.13
N/mm
Initial Tension (IT)
1.0
N
Extension Springs - 4x40x0.45 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2 or 18-8) HRB80    Load at L1: 4.81 N   
Part Number: ES-0400-0400-045-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
$12.77 AUD
$15.33 AUD $12.77 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4x40x0.45 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
4.00
mm
Approx. Overall Length (L0)
40
mm
Wire Diameter (d)
0.450
mm
Max. Extension (L1)
70.00
mm
Extension Springs - 4x40x0.45 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2 or 18-8) HRB80    Spring Rate: 0.13 N/mm    Initial Tension (IT): 1.0 N    Load at L1: 4.81 N   
Part Number: ES-0400-0400-045-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
$12.77 AUD
$15.33 AUD $12.77 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4x40x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
4.00
mm
Approx. Overall Length (L0)
40
mm
Wire Diameter (d)
0.500
mm
Max. Extension (L1)
64.00
mm
Spring Rate
0.22
N/mm
Initial Tension (IT)
1.2
N
Extension Springs - 4x40x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2 or 18-8) HRB80    Load at L1: 6.37 N   
Part Number: ES-0400-0400-05-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
$11.32 AUD
$13.58 AUD $11.32 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4x40x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
OD (D0)
4.00
mm
Approx. Overall Length (L0)
40
mm
Wire Diameter (d)
0.500
mm
Max. Extension (L1)
64.00
mm
Extension Springs - 4x40x0.5 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2 or 18-8) HRB80    Spring Rate: 0.22 N/mm    Initial Tension (IT): 1.2 N    Load at L1: 6.37 N   
Part Number: ES-0400-0400-05-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 11, 2026
$11.32 AUD
$13.58 AUD $11.32 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4.5x12.1x0.63 mm - Stainless Steel 302/304 Similar to A2, 18-8 Spring
OD (D0)
4.50
mm
Approx. Overall Length (L0)
12.1
mm
Wire Diameter (d)
0.63
mm
Max. Extension (L1)
17.75
mm
Spring Rate
2.31
N/mm
Initial Tension (IT)
2.2
N
Extension Springs - 4.5x12.1x0.63 mm - Stainless Steel 302/304 Similar to A2, 18-8
Material: Stainless Steel 302/304 (Similar to A2 or 18-8)    Load at L1: 15.25 N   
Deleted Item. Available while stocks last.
Part Number: ES-0450-0121-06-S2 (PK-4)
1 pack (4 pcs) Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
$26.85 AUD
$51.02 AUD $26.85 AUD
Priced, Stocked and Sold Per 4 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

1 pack (4 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Extension Springs - 4.5x12.1x0.63 mm - Stainless Steel 302/304 Similar to A2, 18-8 Spring
OD (D0)
4.50
mm
Approx. Overall Length (L0)
12.1
mm
Wire Diameter (d)
0.63
mm
Max. Extension (L1)
17.75
mm
Extension Springs - 4.5x12.1x0.63 mm - Stainless Steel 302/304 Similar to A2, 18-8
Material: Stainless Steel 302/304 (Similar to A2 or 18-8)    Spring Rate: 2.31 N/mm    Initial Tension (IT): 2.2 N    Load at L1: 15.25 N   
Deleted Item. Available while stocks last.
Part Number: ES-0450-0121-06-S2 (PK-4)
1 pack (4 pcs) Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
$26.85 AUD
$51.02 AUD $26.85 AUD
Priced, Stocked and Sold Per 4 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

1 pack (4 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Extension Springs - 4.57x15.8x0.79 mm - Stainless Steel 302/304 Similar to A2, 18-8 Spring
OD (D0)
4.57
mm
Approx. Overall Length (L0)
15.8
mm
Wire Diameter (d)
0.79
mm
Max. Extension (L1)
20.066
mm
Spring Rate
5.52
N/mm
Initial Tension (IT)
4.0
N
Extension Springs - 4.57x15.8x0.79 mm - Stainless Steel 302/304 Similar to A2, 18-8
Material: Stainless Steel 302/304 (Similar to A2 or 18-8)    Load at L1: 5.66 N   
Part Number: ES-0457-0158-08-S2 (Each)
2 Available Now | Further orders can be expected around Mon, Jul 13, 2026
$7.14 AUD
$13.29 AUD $7.14 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 2 available can be backordered.
Extension Springs - 4.57x15.8x0.79 mm - Stainless Steel 302/304 Similar to A2, 18-8 Spring
OD (D0)
4.57
mm
Approx. Overall Length (L0)
15.8
mm
Wire Diameter (d)
0.79
mm
Max. Extension (L1)
20.066
mm
Extension Springs - 4.57x15.8x0.79 mm - Stainless Steel 302/304 Similar to A2, 18-8
Material: Stainless Steel 302/304 (Similar to A2 or 18-8)    Spring Rate: 5.52 N/mm    Initial Tension (IT): 4.0 N    Load at L1: 5.66 N   
Part Number: ES-0457-0158-08-S2 (Each)
2 Available Now | Further orders can be expected around Mon, Jul 13, 2026
$7.14 AUD
$13.29 AUD $7.14 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

2 Available Now. Backorder if more than 2.
Extension Springs - 4.57x19.1x0.79 mm - Stainless Steel 302/304 Similar to A2, 18-8 Spring
OD (D0)
4.57
mm
Approx. Overall Length (L0)
19.1
mm
Wire Diameter (d)
0.79
mm
Max. Extension (L1)
24.892
mm
Spring Rate
3.96
N/mm
Initial Tension (IT)
2.9
N
Extension Springs - 4.57x19.1x0.79 mm - Stainless Steel 302/304 Similar to A2, 18-8
Material: Stainless Steel 302/304 (Similar to A2 or 18-8)    Load at L1: 5.66 N   
Part Number: ES-0457-0191-08-S2 (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Mon, Jul 13, 2026
$8.32 AUD
$9.98 AUD $8.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4.57x19.1x0.79 mm - Stainless Steel 302/304 Similar to A2, 18-8 Spring
OD (D0)
4.57
mm
Approx. Overall Length (L0)
19.1
mm
Wire Diameter (d)
0.79
mm
Max. Extension (L1)
24.892
mm
Extension Springs - 4.57x19.1x0.79 mm - Stainless Steel 302/304 Similar to A2, 18-8
Material: Stainless Steel 302/304 (Similar to A2 or 18-8)    Spring Rate: 3.96 N/mm    Initial Tension (IT): 2.9 N    Load at L1: 5.66 N   
Part Number: ES-0457-0191-08-S2 (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Mon, Jul 13, 2026
$8.32 AUD
$9.98 AUD $8.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4.57x19.1x0.51 mm Music Wire - Steel Spring
OD (D0)
4.57
mm
Approx. Overall Length (L0)
19.1
mm
Wire Diameter (d)
0.51
mm
Max. Extension (L1)
37.080
mm
Spring Rate
0.473
N/mm
Initial Tension (IT)
0.8
N
Extension Springs - 4.57x19.1x0.51 mm - Steel
Material: Steel    Load at L1: 9.250 N    End Type: Closed - Full Loop   
Part Number: ES-0457-0191-05-M (Each)
1 Available Now | Further orders can be expected around Sat, Aug 01, 2026
$4.50 AUD
$10.91 AUD $4.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 1 available can be backordered.
Extension Springs - 4.57x19.1x0.51 mm Music Wire - Steel Spring
OD (D0)
4.57
mm
Approx. Overall Length (L0)
19.1
mm
Wire Diameter (d)
0.51
mm
Max. Extension (L1)
37.080
mm
Extension Springs - 4.57x19.1x0.51 mm - Steel
Material: Steel    Spring Rate: 0.473 N/mm    Initial Tension (IT): 0.8 N    Load at L1: 9.250 N    End Type: Closed - Full Loop   
Part Number: ES-0457-0191-05-M (Each)
1 Available Now | Further orders can be expected around Sat, Aug 01, 2026
$4.50 AUD
$10.91 AUD $4.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

1 Available Now. Backorder if more than 1.
Extension Springs - 4.57x31.8x0.56 mm Music Wire - Steel Spring
OD (D0)
4.57
mm
Approx. Overall Length (L0)
31.8
mm
Wire Diameter (d)
0.56
mm
Max. Extension (L1)
61.720
mm
Spring Rate
0.350
N/mm
Initial Tension (IT)
0.9
N
Extension Springs - 4.57x31.8x0.56 mm - Steel
Material: Steel    Load at L1: 11.570 N    End Type: Closed - Full Loop   
Part Number: ES-0457-0318-06-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Aug 01, 2026
$6.05 AUD
$11.38 AUD $6.05 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4.57x31.8x0.56 mm Music Wire - Steel Spring
OD (D0)
4.57
mm
Approx. Overall Length (L0)
31.8
mm
Wire Diameter (d)
0.56
mm
Max. Extension (L1)
61.720
mm
Extension Springs - 4.57x31.8x0.56 mm - Steel
Material: Steel    Spring Rate: 0.350 N/mm    Initial Tension (IT): 0.9 N    Load at L1: 11.570 N    End Type: Closed - Full Loop   
Part Number: ES-0457-0318-06-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Aug 01, 2026
$6.05 AUD
$11.38 AUD $6.05 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4.57x50.8x0.51 mm Music Wire - Steel Spring
OD (D0)
4.57
mm
Approx. Overall Length (L0)
50.8
mm
Wire Diameter (d)
0.51
mm
Max. Extension (L1)
122.170
mm
Spring Rate
0.123
N/mm
Initial Tension (IT)
0.8
N
Extension Springs - 4.57x50.8x0.51 mm - Steel
Material: Steel    Load at L1: 9.250 N    End Type: Closed - Full Loop   
Part Number: ES-0457-0508-05-M (Each)
2 Available Now | Further orders can be expected around Sat, Aug 01, 2026
$4.68 AUD
$11.41 AUD $4.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 2 available can be backordered.
Extension Springs - 4.57x50.8x0.51 mm Music Wire - Steel Spring
OD (D0)
4.57
mm
Approx. Overall Length (L0)
50.8
mm
Wire Diameter (d)
0.51
mm
Max. Extension (L1)
122.170
mm
Extension Springs - 4.57x50.8x0.51 mm - Steel
Material: Steel    Spring Rate: 0.123 N/mm    Initial Tension (IT): 0.8 N    Load at L1: 9.250 N    End Type: Closed - Full Loop   
Part Number: ES-0457-0508-05-M (Each)
2 Available Now | Further orders can be expected around Sat, Aug 01, 2026
$4.68 AUD
$11.41 AUD $4.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

2 Available Now. Backorder if more than 2.
Extension Springs - 4.75x25.4x0.56 mm Stainless Steel - Steel - Zinc Spring
OD (D0)
4.75
mm
Approx. Overall Length (L0)
25.4
mm
Wire Diameter (d)
0.56
mm
Spring Rate
0.40
N/mm
Initial Tension (IT)
0.4
N
Extension Springs - 4.75x25.4x0.56 mm - Steel - Zinc
Material: Steel - Zinc   
Part Number: ES-0475-0254-06-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$4.32 AUD
$5.18 AUD $4.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4.75x25.4x0.56 mm Stainless Steel - Steel - Zinc Spring
OD (D0)
4.75
mm
Approx. Overall Length (L0)
25.4
mm
Wire Diameter (d)
0.56
mm
Extension Springs - 4.75x25.4x0.56 mm - Steel - Zinc
Material: Steel - Zinc    Spring Rate: 0.40 N/mm    Initial Tension (IT): 0.4 N   
Part Number: ES-0475-0254-06-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$4.32 AUD
$5.18 AUD $4.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4.75x38.1x0.41 mm Stainless Steel - Steel - Zinc Spring
OD (D0)
4.75
mm
Approx. Overall Length (L0)
38.1
mm
Wire Diameter (d)
0.41
mm
Spring Rate
0.04
N/mm
Initial Tension (IT)
0.0
N
Extension Springs - 4.75x38.1x0.41 mm - Steel - Zinc
Material: Steel - Zinc   
Part Number: ES-0475-0381-04-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$3.86 AUD
$4.64 AUD $3.86 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4.75x38.1x0.41 mm Stainless Steel - Steel - Zinc Spring
OD (D0)
4.75
mm
Approx. Overall Length (L0)
38.1
mm
Wire Diameter (d)
0.41
mm
Extension Springs - 4.75x38.1x0.41 mm - Steel - Zinc
Material: Steel - Zinc    Spring Rate: 0.04 N/mm    Initial Tension (IT): 0.0 N   
Part Number: ES-0475-0381-04-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$3.86 AUD
$4.64 AUD $3.86 AUD
Each
Excludes GST and overseas Taxes & Duties
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Extension Springs - 4.75x38.1x0.58 mm Stainless Steel - Steel - Tinned Spring
OD (D0)
4.75
mm
Approx. Overall Length (L0)
38.1
mm
Wire Diameter (d)
0.58
mm
Spring Rate
0.33
N/mm
Initial Tension (IT)
0.3
N
Extension Springs - 4.75x38.1x0.58 mm - Steel - Tinned
Material: Steel - Tinned   
Part Number: ES-0475-0381-05-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$4.41 AUD
$5.29 AUD $4.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4.75x38.1x0.58 mm Stainless Steel - Steel - Tinned Spring
OD (D0)
4.75
mm
Approx. Overall Length (L0)
38.1
mm
Wire Diameter (d)
0.58
mm
Extension Springs - 4.75x38.1x0.58 mm - Steel - Tinned
Material: Steel - Tinned    Spring Rate: 0.33 N/mm    Initial Tension (IT): 0.3 N   
Part Number: ES-0475-0381-05-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$4.41 AUD
$5.29 AUD $4.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4.75x38.1x0.64 mm Stainless Steel - Steel - Zinc Spring
OD (D0)
4.75
mm
Approx. Overall Length (L0)
38.1
mm
Wire Diameter (d)
0.64
mm
Spring Rate
0.46
N/mm
Initial Tension (IT)
0.5
N
Extension Springs - 4.75x38.1x0.64 mm - Steel - Zinc
Material: Steel - Zinc   
Part Number: ES-0475-0381-06-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$7.86 AUD
$7.86 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4.75x38.1x0.64 mm Stainless Steel - Steel - Zinc Spring
OD (D0)
4.75
mm
Approx. Overall Length (L0)
38.1
mm
Wire Diameter (d)
0.64
mm
Extension Springs - 4.75x38.1x0.64 mm - Steel - Zinc
Material: Steel - Zinc    Spring Rate: 0.46 N/mm    Initial Tension (IT): 0.5 N   
Part Number: ES-0475-0381-06-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$7.86 AUD
$7.86 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4.75x47.6x0.64 mm Stainless Steel - Steel - Zinc Spring
OD (D0)
4.75
mm
Approx. Overall Length (L0)
47.6
mm
Wire Diameter (d)
0.64
mm
Spring Rate
0.36
N/mm
Initial Tension (IT)
0.4
N
Extension Springs - 4.75x47.6x0.64 mm - Steel - Zinc
Material: Steel - Zinc   
Part Number: ES-0475-0476-06-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$7.32 AUD
$7.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4.75x47.6x0.64 mm Stainless Steel - Steel - Zinc Spring
OD (D0)
4.75
mm
Approx. Overall Length (L0)
47.6
mm
Wire Diameter (d)
0.64
mm
Extension Springs - 4.75x47.6x0.64 mm - Steel - Zinc
Material: Steel - Zinc    Spring Rate: 0.36 N/mm    Initial Tension (IT): 0.4 N   
Part Number: ES-0475-0476-06-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$7.32 AUD
$7.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4.75x63.5x0.64 mm Stainless Steel - Steel - Zinc Spring
OD (D0)
4.75
mm
Approx. Overall Length (L0)
63.5
mm
Wire Diameter (d)
0.64
mm
Spring Rate
0.26
N/mm
Initial Tension (IT)
0.3
N
Extension Springs - 4.75x63.5x0.64 mm - Steel - Zinc
Material: Steel - Zinc   
Part Number: ES-0475-0635-06-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$5.05 AUD
$6.05 AUD $5.05 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4.75x63.5x0.64 mm Stainless Steel - Steel - Zinc Spring
OD (D0)
4.75
mm
Approx. Overall Length (L0)
63.5
mm
Wire Diameter (d)
0.64
mm
Extension Springs - 4.75x63.5x0.64 mm - Steel - Zinc
Material: Steel - Zinc    Spring Rate: 0.26 N/mm    Initial Tension (IT): 0.3 N   
Part Number: ES-0475-0635-06-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$5.05 AUD
$6.05 AUD $5.05 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4.75x152.4x0.58 mm Stainless Steel - Steel - Zinc Spring
OD (D0)
4.75
mm
Approx. Overall Length (L0)
152.4
mm
Wire Diameter (d)
0.58
mm
Spring Rate
0.06
N/mm
Initial Tension (IT)
0.1
N
Extension Springs - 4.75x152.4x0.58 mm - Steel - Zinc
Material: Steel - Zinc   
Part Number: ES-0475-1524-06-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$8.32 AUD
$9.98 AUD $8.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4.75x152.4x0.58 mm Stainless Steel - Steel - Zinc Spring
OD (D0)
4.75
mm
Approx. Overall Length (L0)
152.4
mm
Wire Diameter (d)
0.58
mm
Extension Springs - 4.75x152.4x0.58 mm - Steel - Zinc
Material: Steel - Zinc    Spring Rate: 0.06 N/mm    Initial Tension (IT): 0.1 N   
Part Number: ES-0475-1524-06-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$8.32 AUD
$9.98 AUD $8.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4.75x279.4x0.41 mm Stainless Steel - Steel - None Spring
OD (D0)
4.75
mm
Approx. Overall Length (L0)
279.4
mm
Wire Diameter (d)
0.41
mm
Spring Rate
0.01
N/mm
Initial Tension (IT)
0.0
N
Extension Springs - 4.75x279.4x0.41 mm - Steel - None
Material: Steel - None   
Part Number: ES-0475-2794-04-M (PK-200)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$2,349.41 AUD
$2,819.29 AUD $2,349.41 AUD
Priced, Stocked and Sold Per 200 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4.75x279.4x0.41 mm Stainless Steel - Steel - None Spring
OD (D0)
4.75
mm
Approx. Overall Length (L0)
279.4
mm
Wire Diameter (d)
0.41
mm
Extension Springs - 4.75x279.4x0.41 mm - Steel - None
Material: Steel - None    Spring Rate: 0.01 N/mm    Initial Tension (IT): 0.0 N   
Part Number: ES-0475-2794-04-M (PK-200)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$2,349.41 AUD
$2,819.29 AUD $2,349.41 AUD
Priced, Stocked and Sold Per 200 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4.75x279.4x0.61 mm Music Wire - Steel Spring
OD (D0)
4.75
mm
Approx. Overall Length (L0)
279.4
mm
Wire Diameter (d)
0.61
mm
Spring Rate
0.04
N/mm
Initial Tension (IT)
0.0
N
Extension Springs - 4.75x279.4x0.61 mm - Steel
Material: Steel   
Part Number: ES-0475-2794-06-M (PK-500)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$5,725.86 AUD
$5,725.86 AUD
Priced, Stocked and Sold Per 500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4.75x279.4x0.61 mm Music Wire - Steel Spring
OD (D0)
4.75
mm
Approx. Overall Length (L0)
279.4
mm
Wire Diameter (d)
0.61
mm
Extension Springs - 4.75x279.4x0.61 mm - Steel
Material: Steel    Spring Rate: 0.04 N/mm    Initial Tension (IT): 0.0 N   
Part Number: ES-0475-2794-06-M (PK-500)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$5,725.86 AUD
$5,725.86 AUD
Priced, Stocked and Sold Per 500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4.75x508x0.38 mm - Stainless Steel Spring
OD (D0)
4.75
mm
Approx. Overall Length (L0)
508.0
mm
Wire Diameter (d)
0.38
mm
Spring Rate
0.03
N/mm
Initial Tension (IT)
0.0
N
Extension Springs - 4.75x508x0.38 mm - Stainless Steel
Material: Stainless Steel   
Part Number: ES-048-508-04-S2 (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$29.59 AUD
$35.51 AUD $29.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4.75x508x0.38 mm - Stainless Steel Spring
OD (D0)
4.75
mm
Approx. Overall Length (L0)
508.0
mm
Wire Diameter (d)
0.38
mm
Extension Springs - 4.75x508x0.38 mm - Stainless Steel
Material: Stainless Steel    Spring Rate: 0.03 N/mm    Initial Tension (IT): 0.0 N   
Part Number: ES-048-508-04-S2 (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$29.59 AUD
$35.51 AUD $29.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4.75x508x0.43 mm - Stainless Steel Spring
OD (D0)
4.75
mm
Approx. Overall Length (L0)
508.0
mm
Wire Diameter (d)
0.43
mm
Spring Rate
0.07
N/mm
Initial Tension (IT)
0.1
N
Extension Springs - 4.75x508x0.43 mm - Stainless Steel
Material: Stainless Steel   
Part Number: ES-0475-5080-04-S2 (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$30.50 AUD
$36.60 AUD $30.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4.75x508x0.43 mm - Stainless Steel Spring
OD (D0)
4.75
mm
Approx. Overall Length (L0)
508.0
mm
Wire Diameter (d)
0.43
mm
Extension Springs - 4.75x508x0.43 mm - Stainless Steel
Material: Stainless Steel    Spring Rate: 0.07 N/mm    Initial Tension (IT): 0.1 N   
Part Number: ES-0475-5080-04-S2 (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$30.50 AUD
$36.60 AUD $30.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.