Springs - Extension

Springs -> Extension
OD (D0) Overall Length (L0) Wire Diameter (d) Max. Extension (L1) Spring Rate Initial Tension (IT) Indicative
Image
Extension Springs - 4x40x0.5 mm Music Wire - Steel Spring
OD (D0)
4.00
mm
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 - Steel
Material: Steel    Load at L1: 6.37 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0400-0400-05-M (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 12, 2026
$6.41 AUD
$13.14 AUD $6.41 AUD
Priced, Stocked and Sold Per 5 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 - 4x40x0.5 mm Music Wire - Steel Spring
OD (D0)
4.00
mm
Overall Length (L0)
40
mm
Wire Diameter (d)
0.500
mm
Max. Extension (L1)
64.00
mm
Extension Springs - 4x40x0.5 mm - Steel
Material: Steel    Spring Rate: 0.22 N/mm    Initial Tension (IT): 1.2 N    Load at L1: 6.37 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0400-0400-05-M (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 12, 2026
$6.41 AUD
$13.14 AUD $6.41 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
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, 18-8) HRB80    Load at L1: 6.37 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-0400-0400-05-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 12, 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
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, 18-8) HRB80    Spring Rate: 0.22 N/mm    Initial Tension (IT): 1.2 N    Load at L1: 6.37 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-0400-0400-05-S4 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Jul 12, 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
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, 18-8)    Load at L1: 15.25 N   
Category: Springs - Extension - Stainless Steel
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
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, 18-8)    Spring Rate: 2.31 N/mm    Initial Tension (IT): 2.2 N    Load at L1: 15.25 N   
Category: Springs - Extension - Stainless Steel
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
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, 18-8)    Load at L1: 5.66 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-0457-0158-08-S2 (Each)
2 Available Now | Further orders can be expected around Tue, Jul 14, 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
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, 18-8)    Spring Rate: 5.52 N/mm    Initial Tension (IT): 4.0 N    Load at L1: 5.66 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-0457-0158-08-S2 (Each)
2 Available Now | Further orders can be expected around Tue, Jul 14, 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 - 4.57x12.7x0.56 mm Music Wire - Steel Spring
OD (D0)
4.57
mm
Overall Length (L0)
12.7
mm
Wire Diameter (d)
0.56
mm
Max. Extension (L1)
18.540
mm
Spring Rate
1.839
N/mm
Initial Tension (IT)
0.8
N
Extension Springs - 4.57x12.7x0.56 mm - Steel
Material: Steel    Load at L1: 9.250 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0457-0127-06-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
$11.50 AUD
$11.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4.57x12.7x0.56 mm Music Wire - Steel Spring
OD (D0)
4.57
mm
Overall Length (L0)
12.7
mm
Wire Diameter (d)
0.56
mm
Max. Extension (L1)
18.540
mm
Extension Springs - 4.57x12.7x0.56 mm - Steel
Material: Steel    Spring Rate: 1.839 N/mm    Initial Tension (IT): 0.8 N    Load at L1: 9.250 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0457-0127-06-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
$11.50 AUD
$11.50 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
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, 18-8)    Load at L1: 5.66 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-0457-0191-08-S2 (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Tue, Jul 14, 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
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, 18-8)    Spring Rate: 3.96 N/mm    Initial Tension (IT): 2.9 N    Load at L1: 5.66 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-0457-0191-08-S2 (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Tue, Jul 14, 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 - 4.57x12.7x0.79 mm Music Wire - Steel Spring
OD (D0)
4.57
mm
Overall Length (L0)
12.7
mm
Wire Diameter (d)
0.79
mm
Max. Extension (L1)
15.490
mm
Spring Rate
10.400
N/mm
Initial Tension (IT)
2.7
N
Extension Springs - 4.57x12.7x0.79 mm - Steel
Material: Steel    Load at L1: 30.250 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0457-0127-08-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
$6.41 AUD
$12.02 AUD $6.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4.57x12.7x0.79 mm Music Wire - Steel Spring
OD (D0)
4.57
mm
Overall Length (L0)
12.7
mm
Wire Diameter (d)
0.79
mm
Max. Extension (L1)
15.490
mm
Extension Springs - 4.57x12.7x0.79 mm - Steel
Material: Steel    Spring Rate: 10.400 N/mm    Initial Tension (IT): 2.7 N    Load at L1: 30.250 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0457-0127-08-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
$6.41 AUD
$12.02 AUD $6.41 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
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   
Category: Springs - Extension - Music Wire
Part Number: ES-0457-0191-05-M (Each)
1 Available Now | Further orders can be expected around Sun, Aug 02, 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
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   
Category: Springs - Extension - Music Wire
Part Number: ES-0457-0191-05-M (Each)
1 Available Now | Further orders can be expected around Sun, Aug 02, 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 - 4.57x19.1x0.56 mm Music Wire - Steel Spring
OD (D0)
4.57
mm
Overall Length (L0)
19.1
mm
Wire Diameter (d)
0.56
mm
Max. Extension (L1)
33.270
mm
Spring Rate
0.771
N/mm
Initial Tension (IT)
0.9
N
Extension Springs - 4.57x19.1x0.56 mm - Steel
Material: Steel    Load at L1: 11.570 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0457-0191-06-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
$5.86 AUD
$11.12 AUD $5.86 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4.57x19.1x0.56 mm Music Wire - Steel Spring
OD (D0)
4.57
mm
Overall Length (L0)
19.1
mm
Wire Diameter (d)
0.56
mm
Max. Extension (L1)
33.270
mm
Extension Springs - 4.57x19.1x0.56 mm - Steel
Material: Steel    Spring Rate: 0.771 N/mm    Initial Tension (IT): 0.9 N    Load at L1: 11.570 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0457-0191-06-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
$5.86 AUD
$11.12 AUD $5.86 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4.57x19.1x0.71 mm Music Wire - Steel Spring
OD (D0)
4.57
mm
Overall Length (L0)
19.1
mm
Wire Diameter (d)
0.71
mm
Max. Extension (L1)
26.160
mm
Spring Rate
3.310
N/mm
Initial Tension (IT)
2.3
N
Extension Springs - 4.57x19.1x0.71 mm - Steel
Material: Steel    Load at L1: 25.890 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0457-0191-07-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 - 4.57x19.1x0.71 mm Music Wire - Steel Spring
OD (D0)
4.57
mm
Overall Length (L0)
19.1
mm
Wire Diameter (d)
0.71
mm
Max. Extension (L1)
26.160
mm
Extension Springs - 4.57x19.1x0.71 mm - Steel
Material: Steel    Spring Rate: 3.310 N/mm    Initial Tension (IT): 2.3 N    Load at L1: 25.890 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0457-0191-07-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 - 4.57x19.1x0.79 mm Music Wire - Steel Spring
OD (D0)
4.57
mm
Overall Length (L0)
19.1
mm
Wire Diameter (d)
0.79
mm
Max. Extension (L1)
24.890
mm
Spring Rate
4.750
N/mm
Initial Tension (IT)
2.7
N
Extension Springs - 4.57x19.1x0.79 mm - Steel
Material: Steel    Load at L1: 30.250 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0457-0191-08-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
$13.05 AUD
$13.05 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4.57x19.1x0.79 mm Music Wire - Steel Spring
OD (D0)
4.57
mm
Overall Length (L0)
19.1
mm
Wire Diameter (d)
0.79
mm
Max. Extension (L1)
24.890
mm
Extension Springs - 4.57x19.1x0.79 mm - Steel
Material: Steel    Spring Rate: 4.750 N/mm    Initial Tension (IT): 2.7 N    Load at L1: 30.250 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0457-0191-08-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
$13.05 AUD
$13.05 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4.57x19.1x0.89 mm Music Wire - Steel Spring
OD (D0)
4.57
mm
Overall Length (L0)
19.1
mm
Wire Diameter (d)
0.89
mm
Max. Extension (L1)
23.620
mm
Spring Rate
7.830
N/mm
Initial Tension (IT)
3.6
N
Extension Springs - 4.57x19.1x0.89 mm - Steel
Material: Steel    Load at L1: 39.900 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0457-0191-09-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
$6.50 AUD
$12.31 AUD $6.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4.57x19.1x0.89 mm Music Wire - Steel Spring
OD (D0)
4.57
mm
Overall Length (L0)
19.1
mm
Wire Diameter (d)
0.89
mm
Max. Extension (L1)
23.620
mm
Extension Springs - 4.57x19.1x0.89 mm - Steel
Material: Steel    Spring Rate: 7.830 N/mm    Initial Tension (IT): 3.6 N    Load at L1: 39.900 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0457-0191-09-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
$6.50 AUD
$12.31 AUD $6.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4.57x25.4x0.51 mm Music Wire - Steel Spring
OD (D0)
4.57
mm
Overall Length (L0)
25.4
mm
Wire Diameter (d)
0.51
mm
Max. Extension (L1)
54.100
mm
Spring Rate
0.298
N/mm
Initial Tension (IT)
0.8
N
Extension Springs - 4.57x25.4x0.51 mm - Steel
Material: Steel    Load at L1: 9.250 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0457-0254-05-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
$5.77 AUD
$10.91 AUD $5.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4.57x25.4x0.51 mm Music Wire - Steel Spring
OD (D0)
4.57
mm
Overall Length (L0)
25.4
mm
Wire Diameter (d)
0.51
mm
Max. Extension (L1)
54.100
mm
Extension Springs - 4.57x25.4x0.51 mm - Steel
Material: Steel    Spring Rate: 0.298 N/mm    Initial Tension (IT): 0.8 N    Load at L1: 9.250 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0457-0254-05-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
$5.77 AUD
$10.91 AUD $5.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4.57x25.4x0.56 mm Music Wire - Steel Spring
OD (D0)
4.57
mm
Overall Length (L0)
25.4
mm
Wire Diameter (d)
0.56
mm
Max. Extension (L1)
47.400
mm
Spring Rate
0.490
N/mm
Initial Tension (IT)
0.9
N
Extension Springs - 4.57x25.4x0.56 mm - Steel
Material: Steel    Load at L1: 11.570 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0457-0254-06-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
$5.86 AUD
$11.12 AUD $5.86 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4.57x25.4x0.56 mm Music Wire - Steel Spring
OD (D0)
4.57
mm
Overall Length (L0)
25.4
mm
Wire Diameter (d)
0.56
mm
Max. Extension (L1)
47.400
mm
Extension Springs - 4.57x25.4x0.56 mm - Steel
Material: Steel    Spring Rate: 0.490 N/mm    Initial Tension (IT): 0.9 N    Load at L1: 11.570 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0457-0254-06-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
$5.86 AUD
$11.12 AUD $5.86 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4.57x25.4x0.71 mm Music Wire - Steel Spring
OD (D0)
4.57
mm
Overall Length (L0)
25.4
mm
Wire Diameter (d)
0.71
mm
Max. Extension (L1)
63.320
mm
Spring Rate
2.140
N/mm
Initial Tension (IT)
2.3
N
Extension Springs - 4.57x25.4x0.71 mm - Steel
Material: Steel    Load at L1: 25.890 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0457-0254-07-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
$6.41 AUD
$12.06 AUD $6.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4.57x25.4x0.71 mm Music Wire - Steel Spring
OD (D0)
4.57
mm
Overall Length (L0)
25.4
mm
Wire Diameter (d)
0.71
mm
Max. Extension (L1)
63.320
mm
Extension Springs - 4.57x25.4x0.71 mm - Steel
Material: Steel    Spring Rate: 2.140 N/mm    Initial Tension (IT): 2.3 N    Load at L1: 25.890 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0457-0254-07-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
$6.41 AUD
$12.06 AUD $6.41 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4.57x25.4x0.79 mm Music Wire - Steel Spring
OD (D0)
4.57
mm
Overall Length (L0)
25.4
mm
Wire Diameter (d)
0.79
mm
Max. Extension (L1)
34.290
mm
Spring Rate
3.120
N/mm
Initial Tension (IT)
2.7
N
Extension Springs - 4.57x25.4x0.79 mm - Steel
Material: Steel    Load at L1: 30.250 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0457-0254-08-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
$6.59 AUD
$12.49 AUD $6.59 AUD
Each
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Extension Springs - 4.57x25.4x0.79 mm Music Wire - Steel Spring
OD (D0)
4.57
mm
Overall Length (L0)
25.4
mm
Wire Diameter (d)
0.79
mm
Max. Extension (L1)
34.290
mm
Extension Springs - 4.57x25.4x0.79 mm - Steel
Material: Steel    Spring Rate: 3.120 N/mm    Initial Tension (IT): 2.7 N    Load at L1: 30.250 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0457-0254-08-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
$6.59 AUD
$12.49 AUD $6.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4.57x25.4x0.89 mm Music Wire - Steel Spring
OD (D0)
4.57
mm
Overall Length (L0)
25.4
mm
Wire Diameter (d)
0.89
mm
Max. Extension (L1)
32.510
mm
Spring Rate
5.110
N/mm
Initial Tension (IT)
3.6
N
Extension Springs - 4.57x25.4x0.89 mm - Steel
Material: Steel    Load at L1: 39.900 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0457-0254-09-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
$6.59 AUD
$12.53 AUD $6.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4.57x25.4x0.89 mm Music Wire - Steel Spring
OD (D0)
4.57
mm
Overall Length (L0)
25.4
mm
Wire Diameter (d)
0.89
mm
Max. Extension (L1)
32.510
mm
Extension Springs - 4.57x25.4x0.89 mm - Steel
Material: Steel    Spring Rate: 5.110 N/mm    Initial Tension (IT): 3.6 N    Load at L1: 39.900 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0457-0254-09-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
$6.59 AUD
$12.53 AUD $6.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4.57x31.8x0.51 mm Music Wire - Steel Spring
OD (D0)
4.57
mm
Overall Length (L0)
31.8
mm
Wire Diameter (d)
0.51
mm
Max. Extension (L1)
71.120
mm
Spring Rate
0.210
N/mm
Initial Tension (IT)
0.8
N
Extension Springs - 4.57x31.8x0.51 mm - Steel
Material: Steel    Load at L1: 9.250 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0457-0318-05-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
$5.86 AUD
$11.12 AUD $5.86 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4.57x31.8x0.51 mm Music Wire - Steel Spring
OD (D0)
4.57
mm
Overall Length (L0)
31.8
mm
Wire Diameter (d)
0.51
mm
Max. Extension (L1)
71.120
mm
Extension Springs - 4.57x31.8x0.51 mm - Steel
Material: Steel    Spring Rate: 0.210 N/mm    Initial Tension (IT): 0.8 N    Load at L1: 9.250 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0457-0318-05-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
$5.86 AUD
$11.12 AUD $5.86 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
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   
Category: Springs - Extension - Music Wire
Part Number: ES-0457-0318-06-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 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
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   
Category: Springs - Extension - Music Wire
Part Number: ES-0457-0318-06-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 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 - 4.57x31.8x0.71 mm Music Wire - Steel Spring
OD (D0)
4.57
mm
Overall Length (L0)
31.8
mm
Wire Diameter (d)
0.71
mm
Max. Extension (L1)
46.740
mm
Spring Rate
1.576
N/mm
Initial Tension (IT)
2.3
N
Extension Springs - 4.57x31.8x0.71 mm - Steel
Material: Steel    Load at L1: 25.890 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0457-0318-07-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
$6.50 AUD
$12.31 AUD $6.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4.57x31.8x0.71 mm Music Wire - Steel Spring
OD (D0)
4.57
mm
Overall Length (L0)
31.8
mm
Wire Diameter (d)
0.71
mm
Max. Extension (L1)
46.740
mm
Extension Springs - 4.57x31.8x0.71 mm - Steel
Material: Steel    Spring Rate: 1.576 N/mm    Initial Tension (IT): 2.3 N    Load at L1: 25.890 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0457-0318-07-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
$6.50 AUD
$12.31 AUD $6.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4.57x31.8x0.79 mm Music Wire - Steel Spring
OD (D0)
4.57
mm
Overall Length (L0)
31.8
mm
Wire Diameter (d)
0.79
mm
Max. Extension (L1)
43.690
mm
Spring Rate
2.290
N/mm
Initial Tension (IT)
2.7
N
Extension Springs - 4.57x31.8x0.79 mm - Steel
Material: Steel    Load at L1: 30.250 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0457-0318-08-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
$6.77 AUD
$12.74 AUD $6.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4.57x31.8x0.79 mm Music Wire - Steel Spring
OD (D0)
4.57
mm
Overall Length (L0)
31.8
mm
Wire Diameter (d)
0.79
mm
Max. Extension (L1)
43.690
mm
Extension Springs - 4.57x31.8x0.79 mm - Steel
Material: Steel    Spring Rate: 2.290 N/mm    Initial Tension (IT): 2.7 N    Load at L1: 30.250 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0457-0318-08-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
$6.77 AUD
$12.74 AUD $6.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4.57x31.8x0.89 mm Music Wire - Steel Spring
OD (D0)
4.57
mm
Overall Length (L0)
31.8
mm
Wire Diameter (d)
0.89
mm
Max. Extension (L1)
41.400
mm
Spring Rate
3.780
N/mm
Initial Tension (IT)
3.6
N
Extension Springs - 4.57x31.8x0.89 mm - Steel
Material: Steel    Load at L1: 39.900 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0457-0318-09-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
$6.77 AUD
$12.74 AUD $6.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4.57x31.8x0.89 mm Music Wire - Steel Spring
OD (D0)
4.57
mm
Overall Length (L0)
31.8
mm
Wire Diameter (d)
0.89
mm
Max. Extension (L1)
41.400
mm
Extension Springs - 4.57x31.8x0.89 mm - Steel
Material: Steel    Spring Rate: 3.780 N/mm    Initial Tension (IT): 3.6 N    Load at L1: 39.900 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0457-0318-09-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
$6.77 AUD
$12.74 AUD $6.77 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4.57x38.1x0.51 mm Music Wire - Steel Spring
OD (D0)
4.57
mm
Overall Length (L0)
38.1
mm
Wire Diameter (d)
0.51
mm
Max. Extension (L1)
88.140
mm
Spring Rate
0.175
N/mm
Initial Tension (IT)
0.8
N
Extension Springs - 4.57x38.1x0.51 mm - Steel
Material: Steel    Load at L1: 9.250 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0457-0381-05-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
$5.86 AUD
$11.12 AUD $5.86 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4.57x38.1x0.51 mm Music Wire - Steel Spring
OD (D0)
4.57
mm
Overall Length (L0)
38.1
mm
Wire Diameter (d)
0.51
mm
Max. Extension (L1)
88.140
mm
Extension Springs - 4.57x38.1x0.51 mm - Steel
Material: Steel    Spring Rate: 0.175 N/mm    Initial Tension (IT): 0.8 N    Load at L1: 9.250 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0457-0381-05-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
$5.86 AUD
$11.12 AUD $5.86 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4.57x38.1x0.56 mm Music Wire - Steel Spring
OD (D0)
4.57
mm
Overall Length (L0)
38.1
mm
Wire Diameter (d)
0.56
mm
Max. Extension (L1)
75.950
mm
Spring Rate
0.280
N/mm
Initial Tension (IT)
0.9
N
Extension Springs - 4.57x38.1x0.56 mm - Steel
Material: Steel    Load at L1: 11.570 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0457-0381-06-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
$6.14 AUD
$11.63 AUD $6.14 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Extension Springs - 4.57x38.1x0.56 mm Music Wire - Steel Spring
OD (D0)
4.57
mm
Overall Length (L0)
38.1
mm
Wire Diameter (d)
0.56
mm
Max. Extension (L1)
75.950
mm
Extension Springs - 4.57x38.1x0.56 mm - Steel
Material: Steel    Spring Rate: 0.280 N/mm    Initial Tension (IT): 0.9 N    Load at L1: 11.570 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0457-0381-06-M (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
$6.14 AUD
$11.63 AUD $6.14 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.