Springs - Extension

Springs -> Extension
OD (D0) Overall Length (L0) Wire Diameter (d) Max. Extension (L1) Spring Rate Initial Tension (IT) Indicative
Image
OD (D0)
6.35
mm

(Equiv. 0.25 in.)
Overall Length (L0)
47.6
mm

(Equiv. 1.874 in.)
Wire Diameter (d)
0.58
mm

(Equiv. 0.023 in.)
Spring Rate
0.09
N/mm
Initial Tension (IT)
0.1
N
Extension Springs - 6.35x47.6x0.58 mm - Steel - Zinc
Material: Steel - Zinc   
Category: Springs - Extension - Stainless Steel
Part Number: ES-0635-0476-06-M (Each)
Extension Springs - 6.35x47.6x0.58 mm Stainless Steel - Steel - Zinc Spring
20 Available Now | Further orders can be expected around Mon, Dec 29, 2025
$9.95 AUD
$9.95 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

20 Available Now. Backorder if more than 20.
OD (D0) Overall Length (L0) Wire Diameter (d) Max. Extension (L1) Indicative
Image
OD (D0)
6.35
mm

(Equiv. 0.25 in.)
Overall Length (L0)
47.6
mm

(Equiv. 1.874 in.)
Wire Diameter (d)
0.58
mm

(Equiv. 0.023 in.)
Extension Springs - 6.35x47.6x0.58 mm - Steel - Zinc
Material: Steel - Zinc    Spring Rate: 0.09 N/mm    Initial Tension (IT): 0.1 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-0635-0476-06-M (Each)
Extension Springs - 6.35x47.6x0.58 mm Stainless Steel - Steel - Zinc Spring
20 Available Now | Further orders can be expected around Mon, Dec 29, 2025
$9.95 AUD
$9.95 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

20 Available Now. Backorder if more than 20.
OD (D0)
7.62
mm

(Equiv. 0.3 in.)
Overall Length (L0)
76.2
mm

(Equiv. 3 in.)
Wire Diameter (d)
0.89
mm

(Equiv. 0.035 in.)
Max. Extension (L1)
150.880
mm
Spring Rate
0.385
N/mm
Initial Tension (IT)
2.9
N
Extension Springs - 7.62x76.2x0.89 mm - Steel
Material: Steel    Load at L1: 32.030 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0762-0762-09-M (Each)
Extension Springs - 7.62x76.2x0.89 mm Music Wire - Steel Spring
5 Available Now | Further orders can be expected around Mon, Feb 02, 2026
$5.50 AUD
$13.68 AUD $5.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

5 Available Now. Backorder if more than 5.
OD (D0)
7.62
mm

(Equiv. 0.3 in.)
Overall Length (L0)
76.2
mm

(Equiv. 3 in.)
Wire Diameter (d)
0.89
mm

(Equiv. 0.035 in.)
Max. Extension (L1)
150.880
mm
Extension Springs - 7.62x76.2x0.89 mm - Steel
Material: Steel    Spring Rate: 0.385 N/mm    Initial Tension (IT): 2.9 N    Load at L1: 32.030 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0762-0762-09-M (Each)
Extension Springs - 7.62x76.2x0.89 mm Music Wire - Steel Spring
5 Available Now | Further orders can be expected around Mon, Feb 02, 2026
$5.50 AUD
$13.68 AUD $5.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

5 Available Now. Backorder if more than 5.
OD (D0)
9.14
mm

(Equiv. 0.36 in.)
Overall Length (L0)
50.8
mm

(Equiv. 2 in.)
Wire Diameter (d)
1.14
mm

(Equiv. 0.045 in.)
Max. Extension (L1)
88.646
mm
Spring Rate
0.91
N/mm
Initial Tension (IT)
0.9
N
Extension Springs - 9.14x50.8x1.14 mm - Stainless Steel 302/304 Similar to A2, 18-8
Material: Stainless Steel 302/304 (Similar to A2, 18-8)    Load at L1: 8.50 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-0914-0508-11-S2 (Each)
Extension Springs - 9.14x50.8x1.14 mm - Stainless Steel 302/304 Similar to A2, 18-8 Spring
1 Available Now | Further orders can be expected around Wed, Jan 14, 2026
$15.32 AUD
$15.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

1 Available Now. Backorder if more than 1.
OD (D0)
9.14
mm

(Equiv. 0.36 in.)
Overall Length (L0)
50.8
mm

(Equiv. 2 in.)
Wire Diameter (d)
1.14
mm

(Equiv. 0.045 in.)
Max. Extension (L1)
88.646
mm
Extension Springs - 9.14x50.8x1.14 mm - Stainless Steel 302/304 Similar to A2, 18-8
Material: Stainless Steel 302/304 (Similar to A2, 18-8)    Spring Rate: 0.91 N/mm    Initial Tension (IT): 0.9 N    Load at L1: 8.50 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-0914-0508-11-S2 (Each)
Extension Springs - 9.14x50.8x1.14 mm - Stainless Steel 302/304 Similar to A2, 18-8 Spring
1 Available Now | Further orders can be expected around Wed, Jan 14, 2026
$15.32 AUD
$15.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

1 Available Now. Backorder if more than 1.
OD (D0)
9.53
mm

(Equiv. 0.375 in.)
Overall Length (L0)
279.4
mm

(Equiv. 11 in.)
Wire Diameter (d)
0.79
mm

(Equiv. 0.031 in.)
Spring Rate
0.02
N/mm
Initial Tension (IT)
0.0
N
Extension Springs - 9.53x279.4x0.79 mm - Steel
Material: Steel   
Category: Springs - Extension - Music Wire
Part Number: ES-0953-2794-08-M (Each)
Extension Springs - 9.53x279.4x0.79 mm Music Wire - Steel Spring
2 Available Now | Further orders can be expected around Mon, Dec 29, 2025
$18.50 AUD
$18.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

2 Available Now. Backorder if more than 2.
OD (D0)
9.53
mm

(Equiv. 0.375 in.)
Overall Length (L0)
279.4
mm

(Equiv. 11 in.)
Wire Diameter (d)
0.79
mm

(Equiv. 0.031 in.)
Extension Springs - 9.53x279.4x0.79 mm - Steel
Material: Steel    Spring Rate: 0.02 N/mm    Initial Tension (IT): 0.0 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0953-2794-08-M (Each)
Extension Springs - 9.53x279.4x0.79 mm Music Wire - Steel Spring
2 Available Now | Further orders can be expected around Mon, Dec 29, 2025
$18.50 AUD
$18.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

2 Available Now. Backorder if more than 2.
OD (D0)
10.00
mm

(Equiv. 0.394 in.)
Overall Length (L0)
30
mm

(Equiv. 1.181 in.)
Wire Diameter (d)
1.600
mm

(Equiv. 0.063 in.)
Max. Extension (L1)
35.20
mm
Spring Rate
10.89
N/mm
Initial Tension (IT)
20.6
N
Extension Springs - 10x30x1.6 mm - Steel
Material: Steel    Load at L1: 77.47 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1000-0300-16-M (PK-5)
Extension Springs - 10x30x1.6 mm Music Wire - Steel Spring
18 units (90 pcs) Available Now | Further orders can be expected around Mon, Jan 12, 2026
$11.86 AUD
$11.86 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

18 units (90 pcs) Available Now. Backorder if more than 18.
OD (D0)
10.00
mm

(Equiv. 0.394 in.)
Overall Length (L0)
30
mm

(Equiv. 1.181 in.)
Wire Diameter (d)
1.600
mm

(Equiv. 0.063 in.)
Max. Extension (L1)
35.20
mm
Extension Springs - 10x30x1.6 mm - Steel
Material: Steel    Spring Rate: 10.89 N/mm    Initial Tension (IT): 20.6 N    Load at L1: 77.47 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1000-0300-16-M (PK-5)
Extension Springs - 10x30x1.6 mm Music Wire - Steel Spring
18 units (90 pcs) Available Now | Further orders can be expected around Mon, Jan 12, 2026
$11.86 AUD
$11.86 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

18 units (90 pcs) Available Now. Backorder if more than 18.
OD (D0)
11.10
mm

(Equiv. 0.437 in.)
Overall Length (L0)
114.3
mm

(Equiv. 4.5 in.)
Wire Diameter (d)
0.71
mm

(Equiv. 0.028 in.)
Spring Rate
0.02
N/mm
Initial Tension (IT)
0.0
N
Extension Springs - 11.1x114.3x0.71 mm - Steel - Zinc
Material: Steel - Zinc   
Category: Springs - Extension - Stainless Steel
Part Number: ES-1110-1143-07-M (Each)
Extension Springs - 11.1x114.3x0.71 mm Stainless Steel - Steel - Zinc Spring
Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025
$13.50 AUD
$13.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
OD (D0)
11.10
mm

(Equiv. 0.437 in.)
Overall Length (L0)
114.3
mm

(Equiv. 4.5 in.)
Wire Diameter (d)
0.71
mm

(Equiv. 0.028 in.)
Extension Springs - 11.1x114.3x0.71 mm - Steel - Zinc
Material: Steel - Zinc    Spring Rate: 0.02 N/mm    Initial Tension (IT): 0.0 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-1110-1143-07-M (Each)
Extension Springs - 11.1x114.3x0.71 mm Stainless Steel - Steel - Zinc Spring
Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025
$13.50 AUD
$13.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
OD (D0)
12.70
mm

(Equiv. 0.5 in.)
Overall Length (L0)
44.5
mm

(Equiv. 1.752 in.)
Wire Diameter (d)
1.60
mm

(Equiv. 0.063 in.)
Max. Extension (L1)
67.560
mm
Spring Rate
3.270
N/mm
Initial Tension (IT)
7.6
N
Extension Springs - 12.7x44.5x1.6 mm - Steel
Material: Steel    Load at L1: 83.630 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1270-0445-16-M (Each)
Extension Springs - 12.7x44.5x1.6 mm Music Wire - Steel Spring
1 Available Now | Further orders can be expected around Mon, Feb 02, 2026
$6.59 AUD
$16.38 AUD $6.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

1 Available Now. Backorder if more than 1.
OD (D0)
12.70
mm

(Equiv. 0.5 in.)
Overall Length (L0)
44.5
mm

(Equiv. 1.752 in.)
Wire Diameter (d)
1.60
mm

(Equiv. 0.063 in.)
Max. Extension (L1)
67.560
mm
Extension Springs - 12.7x44.5x1.6 mm - Steel
Material: Steel    Spring Rate: 3.270 N/mm    Initial Tension (IT): 7.6 N    Load at L1: 83.630 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1270-0445-16-M (Each)
Extension Springs - 12.7x44.5x1.6 mm Music Wire - Steel Spring
1 Available Now | Further orders can be expected around Mon, Feb 02, 2026
$6.59 AUD
$16.38 AUD $6.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

1 Available Now. Backorder if more than 1.
OD (D0)
12.70
mm

(Equiv. 0.5 in.)
Overall Length (L0)
63.5
mm

(Equiv. 2.5 in.)
Wire Diameter (d)
1.40
mm

(Equiv. 0.055 in.)
Max. Extension (L1)
122.428
mm
Spring Rate
0.74
N/mm
Initial Tension (IT)
0.8
N
Extension Springs - 12.7x63.5x1.4 mm - Stainless Steel 302/304 Similar to A2, 18-8
Material: Stainless Steel 302/304 (Similar to A2, 18-8)    Load at L1: 10.91 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-1270-0635-14-S2 (Each)
Extension Springs - 12.7x63.5x1.4 mm - Stainless Steel 302/304 Similar to A2, 18-8 Spring
1 Available Now | Further orders can be expected around Wed, Jan 14, 2026
$21.59 AUD
$21.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

1 Available Now. Backorder if more than 1.
OD (D0)
12.70
mm

(Equiv. 0.5 in.)
Overall Length (L0)
63.5
mm

(Equiv. 2.5 in.)
Wire Diameter (d)
1.40
mm

(Equiv. 0.055 in.)
Max. Extension (L1)
122.428
mm
Extension Springs - 12.7x63.5x1.4 mm - Stainless Steel 302/304 Similar to A2, 18-8
Material: Stainless Steel 302/304 (Similar to A2, 18-8)    Spring Rate: 0.74 N/mm    Initial Tension (IT): 0.8 N    Load at L1: 10.91 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-1270-0635-14-S2 (Each)
Extension Springs - 12.7x63.5x1.4 mm - Stainless Steel 302/304 Similar to A2, 18-8 Spring
1 Available Now | Further orders can be expected around Wed, Jan 14, 2026
$21.59 AUD
$21.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

1 Available Now. Backorder if more than 1.
OD (D0)
12.70
mm

(Equiv. 0.5 in.)
Overall Length (L0)
119.0
mm

(Equiv. 4.685 in.)
Wire Diameter (d)
1.58
mm

(Equiv. 0.062 in.)
Spring Rate
0.72
N/mm
Extension Springs - 12.7x119x1.58 mm - Hard Drawn - Zinc
Material: Hard Drawn - Zinc   
Category: Springs - Extension - Stainless Steel
Deleted Item. Available while stocks last.
Part Number: ES-1270-1190-16-M (Each)
Extension Springs - 12.7x119x1.58 mm Stainless Steel - Hard Drawn - Zinc Spring
3 Available Now | Item Discontinued - Up to 3 may be ordered online. No backorders. Please contact us if you need a larger quantity
$7.00 AUD
$13.30 AUD $7.00 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

3 Available Now. These are priced to quit. Please contact us for a quote if you require more.
OD (D0)
12.70
mm

(Equiv. 0.5 in.)
Overall Length (L0)
119.0
mm

(Equiv. 4.685 in.)
Wire Diameter (d)
1.58
mm

(Equiv. 0.062 in.)
Extension Springs - 12.7x119x1.58 mm - Hard Drawn - Zinc
Material: Hard Drawn - Zinc    Spring Rate: 0.72 N/mm   
Category: Springs - Extension - Stainless Steel
Deleted Item. Available while stocks last.
Part Number: ES-1270-1190-16-M (Each)
Extension Springs - 12.7x119x1.58 mm Stainless Steel - Hard Drawn - Zinc Spring
3 Available Now | Item Discontinued - Up to 3 may be ordered online. No backorders. Please contact us if you need a larger quantity
$7.00 AUD
$13.30 AUD $7.00 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

3 Available Now. These are priced to quit. Please contact us for a quote if you require more.
OD (D0)
12.70
mm

(Equiv. 0.5 in.)
Overall Length (L0)
279.4
mm

(Equiv. 11 in.)
Wire Diameter (d)
1.19
mm

(Equiv. 0.047 in.)
Spring Rate
0.06
N/mm
Initial Tension (IT)
0.1
N
Extension Springs - 12.7x279.4x1.19 mm - Steel
Material: Steel   
Category: Springs - Extension - Music Wire
Part Number: ES-1270-2794-12-M (Each)
Extension Springs - 12.7x279.4x1.19 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025
$24.68 AUD
$24.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
OD (D0)
12.70
mm

(Equiv. 0.5 in.)
Overall Length (L0)
279.4
mm

(Equiv. 11 in.)
Wire Diameter (d)
1.19
mm

(Equiv. 0.047 in.)
Extension Springs - 12.7x279.4x1.19 mm - Steel
Material: Steel    Spring Rate: 0.06 N/mm    Initial Tension (IT): 0.1 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1270-2794-12-M (Each)
Extension Springs - 12.7x279.4x1.19 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025
$24.68 AUD
$24.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
OD (D0)
16.51
mm

(Equiv. 0.65 in.)
Overall Length (L0)
57.2
mm

(Equiv. 2.252 in.)
Wire Diameter (d)
1.60
mm

(Equiv. 0.063 in.)
Max. Extension (L1)
109.730
mm
Spring Rate
1.121
N/mm
Initial Tension (IT)
6.2
N
Extension Springs - 16.51x57.2x1.6 mm - Steel
Material: Steel    Load at L1: 65.830 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1651-0572-16-M (Each)
Extension Springs - 16.51x57.2x1.6 mm Music Wire - Steel Spring
2 Available Now | Further orders can be expected around Mon, Feb 02, 2026
$7.59 AUD
$18.97 AUD $7.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

2 Available Now. Backorder if more than 2.
OD (D0)
16.51
mm

(Equiv. 0.65 in.)
Overall Length (L0)
57.2
mm

(Equiv. 2.252 in.)
Wire Diameter (d)
1.60
mm

(Equiv. 0.063 in.)
Max. Extension (L1)
109.730
mm
Extension Springs - 16.51x57.2x1.6 mm - Steel
Material: Steel    Spring Rate: 1.121 N/mm    Initial Tension (IT): 6.2 N    Load at L1: 65.830 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1651-0572-16-M (Each)
Extension Springs - 16.51x57.2x1.6 mm Music Wire - Steel Spring
2 Available Now | Further orders can be expected around Mon, Feb 02, 2026
$7.59 AUD
$18.97 AUD $7.59 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

2 Available Now. Backorder if more than 2.
OD (D0)
19.05
mm

(Equiv. 0.75 in.)
Overall Length (L0)
508.0
mm

(Equiv. 20 in.)
Wire Diameter (d)
2.31
mm

(Equiv. 0.091 in.)
Spring Rate
4.73
N/mm
Initial Tension (IT)
4.7
N
Extension Springs - 19.05x508x2.31 mm - Stainless Steel
Material: Stainless Steel   
Category: Springs - Extension - Stainless Steel
Part Number: ES-1905-5080-23-S2 (Each)
Extension Springs - 19.05x508x2.31 mm - Stainless Steel Spring
2 Available Now | Further orders can be expected around Mon, Dec 29, 2025
$86.68 AUD
$166.72 AUD $86.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

2 Available Now. Backorder if more than 2.
OD (D0)
19.05
mm

(Equiv. 0.75 in.)
Overall Length (L0)
508.0
mm

(Equiv. 20 in.)
Wire Diameter (d)
2.31
mm

(Equiv. 0.091 in.)
Extension Springs - 19.05x508x2.31 mm - Stainless Steel
Material: Stainless Steel    Spring Rate: 4.73 N/mm    Initial Tension (IT): 4.7 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-1905-5080-23-S2 (Each)
Extension Springs - 19.05x508x2.31 mm - Stainless Steel Spring
2 Available Now | Further orders can be expected around Mon, Dec 29, 2025
$86.68 AUD
$166.72 AUD $86.68 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

2 Available Now. Backorder if more than 2.
OD (D0)
25.40
mm

(Equiv. 1 in.)
Overall Length (L0)
177.8
mm

(Equiv. 7 in.)
Wire Diameter (d)
3.43
mm

(Equiv. 0.135 in.)
Extension Springs - 25.4x177.8x3.43 mm - Zinc Plated Steel
Material: Zinc Plated Steel    Load at L1: 310.93 N   
Category: Springs - Extension - Stainless Steel
Deleted Item. Available while stocks last.
Part Number: ES-2540-1778-34-M (Each)
Extension Springs - 25.4x177.8x3.43 mm Stainless Steel - Zinc Plated Steel Spring
1 Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
$6.00 AUD
$11.40 AUD $6.00 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.
OD (D0)
25.40
mm

(Equiv. 1 in.)
Overall Length (L0)
177.8
mm

(Equiv. 7 in.)
Wire Diameter (d)
3.43
mm

(Equiv. 0.135 in.)
Extension Springs - 25.4x177.8x3.43 mm - Zinc Plated Steel
Material: Zinc Plated Steel    Load at L1: 310.93 N   
Category: Springs - Extension - Stainless Steel
Deleted Item. Available while stocks last.
Part Number: ES-2540-1778-34-M (Each)
Extension Springs - 25.4x177.8x3.43 mm Stainless Steel - Zinc Plated Steel Spring
1 Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
$6.00 AUD
$11.40 AUD $6.00 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.