Collection: Springs - Extension

Springs -> Extension
OD (D0) Overall Length (L0) Wire Diameter (d) Max. Extension (L1) Spring Rate Initial Tension (IT) Indicative
Image
OD (D0)
12.70
mm

(Equiv. 0.5 in.)
Overall Length (L0)
127.0
mm

(Equiv. 5 in.)
Wire Diameter (d)
1.60
mm

(Equiv. 0.063 in.)
Max. Extension (L1)
229.620
mm
Spring Rate
0.736
N/mm
Initial Tension (IT)
7.6
N
Extension Springs - 12.7x127x1.6 mm - Steel
Material: Steel    Load at L1: 83.630 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1270-1270-16-M
Extension Springs - 12.7x127x1.6 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $12.95 AUD
Regular price $25.24 AUD Sale price $12.95 AUD
Each
Quantity Required

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OD (D0) Overall Length (L0) Wire Diameter (d) Max. Extension (L1) Indicative
Image
OD (D0)
12.70
mm

(Equiv. 0.5 in.)
Overall Length (L0)
127.0
mm

(Equiv. 5 in.)
Wire Diameter (d)
1.60
mm

(Equiv. 0.063 in.)
Max. Extension (L1)
229.620
mm
Extension Springs - 12.7x127x1.6 mm - Steel
Material: Steel    Spring Rate: 0.736 N/mm    Initial Tension (IT): 7.6 N    Load at L1: 83.630 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1270-1270-16-M
Extension Springs - 12.7x127x1.6 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $12.95 AUD
Regular price $25.24 AUD Sale price $12.95 AUD
Each
Quantity Required

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OD (D0)
12.70
mm

(Equiv. 0.5 in.)
Overall Length (L0)
150.6
mm

(Equiv. 5.929 in.)
Wire Diameter (d)
0.90
mm

(Equiv. 0.035 in.)
Initial Tension (IT)
0.0
N
Extension Springs - 12.7x150.6x0.9 mm - Steel
Material: Steel   
Category: Springs - Extension - Music Wire
Part Number: ES-1270-1506-09-M
Extension Springs - 12.7x150.6x0.9 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $7.23 AUD
Regular price $13.72 AUD Sale price $7.23 AUD
Each
Quantity Required

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OD (D0)
12.70
mm

(Equiv. 0.5 in.)
Overall Length (L0)
150.6
mm

(Equiv. 5.929 in.)
Wire Diameter (d)
0.90
mm

(Equiv. 0.035 in.)
Extension Springs - 12.7x150.6x0.9 mm - Steel
Material: Steel    Initial Tension (IT): 0.0 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1270-1506-09-M
Extension Springs - 12.7x150.6x0.9 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $7.23 AUD
Regular price $13.72 AUD Sale price $7.23 AUD
Each
Quantity Required

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OD (D0)
12.70
mm

(Equiv. 0.5 in.)
Overall Length (L0)
152.4
mm

(Equiv. 6 in.)
Wire Diameter (d)
1.58
mm

(Equiv. 0.062 in.)
Spring Rate
0.53
N/mm
Initial Tension (IT)
0.5
N
Extension Springs - 12.7x152.4x1.58 mm - Hard Drawn - Zinc
Material: Hard Drawn - Zinc   
Category: Springs - Extension - Stainless Steel
Part Number: ES-1270-1524-16-M
Extension Springs - 12.7x152.4x1.58 mm Stainless Steel - Hard Drawn - Zinc Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025
Regular price $11.68 AUD
Regular price $14.02 AUD Sale price $11.68 AUD
Each
Quantity Required

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OD (D0)
12.70
mm

(Equiv. 0.5 in.)
Overall Length (L0)
152.4
mm

(Equiv. 6 in.)
Wire Diameter (d)
1.58
mm

(Equiv. 0.062 in.)
Extension Springs - 12.7x152.4x1.58 mm - Hard Drawn - Zinc
Material: Hard Drawn - Zinc    Spring Rate: 0.53 N/mm    Initial Tension (IT): 0.5 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-1270-1524-16-M
Extension Springs - 12.7x152.4x1.58 mm Stainless Steel - Hard Drawn - Zinc Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025
Regular price $11.68 AUD
Regular price $14.02 AUD Sale price $11.68 AUD
Each
Quantity Required

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OD (D0)
12.70
mm

(Equiv. 0.5 in.)
Overall Length (L0)
200.0
mm

(Equiv. 7.874 in.)
Wire Diameter (d)
1.63
mm

(Equiv. 0.064 in.)
Spring Rate
0.46
N/mm
Initial Tension (IT)
0.5
N
Extension Springs - 12.7x200x1.63 mm - Steel - Zinc
Material: Steel - Zinc   
Category: Springs - Extension - Stainless Steel
Part Number: ES-1270-2000-16-M
Extension Springs - 12.7x200x1.63 mm Stainless Steel - Steel - Zinc Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025
Regular price $14.23 AUD
Regular price $17.07 AUD Sale price $14.23 AUD
Each
Quantity Required

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OD (D0)
12.70
mm

(Equiv. 0.5 in.)
Overall Length (L0)
200.0
mm

(Equiv. 7.874 in.)
Wire Diameter (d)
1.63
mm

(Equiv. 0.064 in.)
Extension Springs - 12.7x200x1.63 mm - Steel - Zinc
Material: Steel - Zinc    Spring Rate: 0.46 N/mm    Initial Tension (IT): 0.5 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-1270-2000-16-M
Extension Springs - 12.7x200x1.63 mm Stainless Steel - Steel - Zinc Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025
Regular price $14.23 AUD
Regular price $17.07 AUD Sale price $14.23 AUD
Each
Quantity Required

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OD (D0)
12.70
mm

(Equiv. 0.5 in.)
Overall Length (L0)
224.6
mm

(Equiv. 8.843 in.)
Wire Diameter (d)
2.00
mm

(Equiv. 0.079 in.)
Initial Tension (IT)
1.3
N
Extension Springs - 12.7x224.6x2 mm - Steel
Material: Steel   
Category: Springs - Extension - Music Wire
Part Number: ES-1270-2246-20-M
Extension Springs - 12.7x224.6x2 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $21.50 AUD
Regular price $43.34 AUD Sale price $21.50 AUD
Each
Quantity Required

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OD (D0)
12.70
mm

(Equiv. 0.5 in.)
Overall Length (L0)
224.6
mm

(Equiv. 8.843 in.)
Wire Diameter (d)
2.00
mm

(Equiv. 0.079 in.)
Extension Springs - 12.7x224.6x2 mm - Steel
Material: Steel    Initial Tension (IT): 1.3 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1270-2246-20-M
Extension Springs - 12.7x224.6x2 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $21.50 AUD
Regular price $43.34 AUD Sale price $21.50 AUD
Each
Quantity Required

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OD (D0)
12.70
mm

(Equiv. 0.5 in.)
Overall Length (L0)
226.1
mm

(Equiv. 8.902 in.)
Wire Diameter (d)
1.30
mm

(Equiv. 0.051 in.)
Initial Tension (IT)
0.1
N
Extension Springs - 12.7x226.1x1.3 mm - Steel
Material: Steel   
Category: Springs - Extension - Music Wire
Part Number: ES-1270-2261-13-M
Extension Springs - 12.7x226.1x1.3 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $11.86 AUD
Regular price $23.04 AUD Sale price $11.86 AUD
Each
Quantity Required

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OD (D0)
12.70
mm

(Equiv. 0.5 in.)
Overall Length (L0)
226.1
mm

(Equiv. 8.902 in.)
Wire Diameter (d)
1.30
mm

(Equiv. 0.051 in.)
Extension Springs - 12.7x226.1x1.3 mm - Steel
Material: Steel    Initial Tension (IT): 0.1 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1270-2261-13-M
Extension Springs - 12.7x226.1x1.3 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $11.86 AUD
Regular price $23.04 AUD Sale price $11.86 AUD
Each
Quantity Required

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OD (D0)
12.70
mm

(Equiv. 0.5 in.)
Overall Length (L0)
276.2
mm

(Equiv. 10.874 in.)
Wire Diameter (d)
1.60
mm

(Equiv. 0.063 in.)
Initial Tension (IT)
0.3
N
Extension Springs - 12.7x276.2x1.6 mm - Steel
Material: Steel   
Category: Springs - Extension - Music Wire
Part Number: ES-1270-2762-16-M
Extension Springs - 12.7x276.2x1.6 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $14.14 AUD
Regular price $27.83 AUD Sale price $14.14 AUD
Each
Quantity Required

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OD (D0)
12.70
mm

(Equiv. 0.5 in.)
Overall Length (L0)
276.2
mm

(Equiv. 10.874 in.)
Wire Diameter (d)
1.60
mm

(Equiv. 0.063 in.)
Extension Springs - 12.7x276.2x1.6 mm - Steel
Material: Steel    Initial Tension (IT): 0.3 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1270-2762-16-M
Extension Springs - 12.7x276.2x1.6 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $14.14 AUD
Regular price $27.83 AUD Sale price $14.14 AUD
Each
Quantity Required

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OD (D0)
12.70
mm

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

(Equiv. 11 in.)
Wire Diameter (d)
0.89
mm

(Equiv. 0.035 in.)
Spring Rate
0.01
N/mm
Initial Tension (IT)
0.0
N
Extension Springs - 12.7x279.4x0.89 mm - Steel
Material: Steel   
Category: Springs - Extension - Music Wire
Part Number: ES-1270-2794-09-M
Extension Springs - 12.7x279.4x0.89 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025
Regular price $40.23 AUD
Regular price $83.11 AUD Sale price $40.23 AUD
Each
Quantity Required

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OD (D0)
12.70
mm

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

(Equiv. 11 in.)
Wire Diameter (d)
0.89
mm

(Equiv. 0.035 in.)
Extension Springs - 12.7x279.4x0.89 mm - Steel
Material: Steel    Spring Rate: 0.01 N/mm    Initial Tension (IT): 0.0 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1270-2794-09-M
Extension Springs - 12.7x279.4x0.89 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025
Regular price $40.23 AUD
Regular price $83.11 AUD Sale price $40.23 AUD
Each
Quantity Required

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OD (D0)
12.70
mm

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

(Equiv. 11 in.)
Wire Diameter (d)
1.60
mm

(Equiv. 0.063 in.)
Spring Rate
0.28
N/mm
Initial Tension (IT)
0.3
N
Extension Springs - 12.7x279.4x1.6 mm - Steel
Material: Steel   
Category: Springs - Extension - Music Wire
Part Number: ES-1270-2794-16-M
Extension Springs - 12.7x279.4x1.6 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025
Regular price $14.50 AUD
Regular price $28.58 AUD Sale price $14.50 AUD
Each
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)
1.60
mm

(Equiv. 0.063 in.)
Extension Springs - 12.7x279.4x1.6 mm - Steel
Material: Steel    Spring Rate: 0.28 N/mm    Initial Tension (IT): 0.3 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1270-2794-16-M
Extension Springs - 12.7x279.4x1.6 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025
Regular price $14.50 AUD
Regular price $28.58 AUD Sale price $14.50 AUD
Each
Quantity Required

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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
Extension Springs - 12.7x279.4x1.19 mm Music Wire - Steel Spring
2 Available Now | Further orders can be expected around Fri, Sep 19, 2025
Regular price $23.86 AUD
Regular price Sale price $23.86 AUD
Each
Quantity Required

2 Available Now. Backorder if more than 2.
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
Extension Springs - 12.7x279.4x1.19 mm Music Wire - Steel Spring
2 Available Now | Further orders can be expected around Fri, Sep 19, 2025
Regular price $23.86 AUD
Regular price Sale price $23.86 AUD
Each
Quantity Required

2 Available Now. Backorder if more than 2.
OD (D0)
12.70
mm

(Equiv. 0.5 in.)
Overall Length (L0)
508.0
mm

(Equiv. 20 in.)
Wire Diameter (d)
1.37
mm

(Equiv. 0.054 in.)
Spring Rate
1.14
N/mm
Initial Tension (IT)
1.1
N
Extension Springs - 12.7x508x1.37 mm - Stainless Steel
Material: Stainless Steel   
Category: Springs - Extension - Stainless Steel
Part Number: ES-1270-5080-14-S2
Extension Springs - 12.7x508x1.37 mm - Stainless Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025
Regular price $66.32 AUD
Regular price $79.58 AUD Sale price $66.32 AUD
Each
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OD (D0)
12.70
mm

(Equiv. 0.5 in.)
Overall Length (L0)
508.0
mm

(Equiv. 20 in.)
Wire Diameter (d)
1.37
mm

(Equiv. 0.054 in.)
Extension Springs - 12.7x508x1.37 mm - Stainless Steel
Material: Stainless Steel    Spring Rate: 1.14 N/mm    Initial Tension (IT): 1.1 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-1270-5080-14-S2
Extension Springs - 12.7x508x1.37 mm - Stainless Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025
Regular price $66.32 AUD
Regular price $79.58 AUD Sale price $66.32 AUD
Each
Quantity Required

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OD (D0)
12.70
mm

(Equiv. 0.5 in.)
Overall Length (L0)
508.0
mm

(Equiv. 20 in.)
Wire Diameter (d)
1.83
mm

(Equiv. 0.072 in.)
Spring Rate
5.08
N/mm
Initial Tension (IT)
5.1
N
Extension Springs - 12.7x508x1.83 mm - Stainless Steel
Material: Stainless Steel   
Category: Springs - Extension - Stainless Steel
Part Number: ES-1270-5080-18-S2
Extension Springs - 12.7x508x1.83 mm - Stainless Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025
Regular price $76.32 AUD
Regular price $91.58 AUD Sale price $76.32 AUD
Each
Quantity Required

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OD (D0)
12.70
mm

(Equiv. 0.5 in.)
Overall Length (L0)
508.0
mm

(Equiv. 20 in.)
Wire Diameter (d)
1.83
mm

(Equiv. 0.072 in.)
Extension Springs - 12.7x508x1.83 mm - Stainless Steel
Material: Stainless Steel    Spring Rate: 5.08 N/mm    Initial Tension (IT): 5.1 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-1270-5080-18-S2
Extension Springs - 12.7x508x1.83 mm - Stainless Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025
Regular price $76.32 AUD
Regular price $91.58 AUD Sale price $76.32 AUD
Each
Quantity Required

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OD (D0)
12.70
mm

(Equiv. 0.5 in.)
Overall Length (L0)
819.9
mm

(Equiv. 32.28 in.)
Wire Diameter (d)
1.55
mm

(Equiv. 0.061 in.)
Spring Rate
0.75
N/mm
Initial Tension (IT)
0.7
N
Extension Springs - 12.7x819.9x1.55 mm - Steel - Zinc
Material: Steel - Zinc   
Category: Springs - Extension - Stainless Steel
Part Number: ES-1270-8199-15-M
Extension Springs - 12.7x819.9x1.55 mm Stainless Steel - Steel - Zinc Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025
Regular price $9.59 AUD
Regular price $11.51 AUD Sale price $9.59 AUD
Each
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OD (D0)
12.70
mm

(Equiv. 0.5 in.)
Overall Length (L0)
819.9
mm

(Equiv. 32.28 in.)
Wire Diameter (d)
1.55
mm

(Equiv. 0.061 in.)
Extension Springs - 12.7x819.9x1.55 mm - Steel - Zinc
Material: Steel - Zinc    Spring Rate: 0.75 N/mm    Initial Tension (IT): 0.7 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-1270-8199-15-M
Extension Springs - 12.7x819.9x1.55 mm Stainless Steel - Steel - Zinc Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025
Regular price $9.59 AUD
Regular price $11.51 AUD Sale price $9.59 AUD
Each
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OD (D0)
13.00
mm

(Equiv. 0.512 in.)
Overall Length (L0)
101.5
mm

(Equiv. 3.996 in.)
Wire Diameter (d)
1.25
mm

(Equiv. 0.049 in.)
Extension Springs - 13x101.5x1.25 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
Category: Springs - Extension - Stainless Steel
Part Number: ES-1300-1015-12-S2 (200 Pcs)
Extension Springs - 13x101.5x1.25 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $1,169.59 AUD
Regular price $1,403.51 AUD Sale price $1,169.59 AUD
Per 200
Quantity Required

Backorder: Out of Stock.
OD (D0)
13.00
mm

(Equiv. 0.512 in.)
Overall Length (L0)
101.5
mm

(Equiv. 3.996 in.)
Wire Diameter (d)
1.25
mm

(Equiv. 0.049 in.)
Extension Springs - 13x101.5x1.25 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80   
Category: Springs - Extension - Stainless Steel
Part Number: ES-1300-1015-12-S2 (200 Pcs)
Extension Springs - 13x101.5x1.25 mm - Stainless Steel 304 Similar to A2, 18-8 HRB80 Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $1,169.59 AUD
Regular price $1,403.51 AUD Sale price $1,169.59 AUD
Per 200
Quantity Required

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OD (D0)
14.00
mm

(Equiv. 0.551 in.)
Overall Length (L0)
40
mm

(Equiv. 1.575 in.)
Wire Diameter (d)
2.300
mm

(Equiv. 0.091 in.)
Max. Extension (L1)
45.80
mm
Spring Rate
19.02
N/mm
Initial Tension (IT)
45.1
N
Extension Springs - 14x40x2.3 mm - Steel
Material: Steel    Load at L1: 154.95 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1400-0400-23-M (50 Pcs)
Extension Springs - 14x40x2.3 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $177.32 AUD
Regular price Sale price $177.32 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
OD (D0)
14.00
mm

(Equiv. 0.551 in.)
Overall Length (L0)
40
mm

(Equiv. 1.575 in.)
Wire Diameter (d)
2.300
mm

(Equiv. 0.091 in.)
Max. Extension (L1)
45.80
mm
Extension Springs - 14x40x2.3 mm - Steel
Material: Steel    Spring Rate: 19.02 N/mm    Initial Tension (IT): 45.1 N    Load at L1: 154.95 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1400-0400-23-M (50 Pcs)
Extension Springs - 14x40x2.3 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $177.32 AUD
Regular price Sale price $177.32 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
OD (D0)
14.00
mm

(Equiv. 0.551 in.)
Overall Length (L0)
45
mm

(Equiv. 1.772 in.)
Wire Diameter (d)
2.300
mm

(Equiv. 0.091 in.)
Max. Extension (L1)
52.00
mm
Spring Rate
15.59
N/mm
Initial Tension (IT)
45.1
N
Extension Springs - 14x45x2.3 mm - Steel
Material: Steel    Load at L1: 154.95 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1400-0450-23-M (50 Pcs)
Extension Springs - 14x45x2.3 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $101.95 AUD
Regular price $215.28 AUD Sale price $101.95 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
OD (D0)
14.00
mm

(Equiv. 0.551 in.)
Overall Length (L0)
45
mm

(Equiv. 1.772 in.)
Wire Diameter (d)
2.300
mm

(Equiv. 0.091 in.)
Max. Extension (L1)
52.00
mm
Extension Springs - 14x45x2.3 mm - Steel
Material: Steel    Spring Rate: 15.59 N/mm    Initial Tension (IT): 45.1 N    Load at L1: 154.95 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1400-0450-23-M (50 Pcs)
Extension Springs - 14x45x2.3 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $101.95 AUD
Regular price $215.28 AUD Sale price $101.95 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
OD (D0)
14.00
mm

(Equiv. 0.551 in.)
Overall Length (L0)
50
mm

(Equiv. 1.969 in.)
Wire Diameter (d)
2.300
mm

(Equiv. 0.091 in.)
Max. Extension (L1)
58.40
mm
Spring Rate
13.14
N/mm
Initial Tension (IT)
45.1
N
Extension Springs - 14x50x2.3 mm - Steel
Material: Steel    Load at L1: 154.95 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1400-0500-23-M (50 Pcs)
Extension Springs - 14x50x2.3 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $103.41 AUD
Regular price $218.52 AUD Sale price $103.41 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
OD (D0)
14.00
mm

(Equiv. 0.551 in.)
Overall Length (L0)
50
mm

(Equiv. 1.969 in.)
Wire Diameter (d)
2.300
mm

(Equiv. 0.091 in.)
Max. Extension (L1)
58.40
mm
Extension Springs - 14x50x2.3 mm - Steel
Material: Steel    Spring Rate: 13.14 N/mm    Initial Tension (IT): 45.1 N    Load at L1: 154.95 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1400-0500-23-M (50 Pcs)
Extension Springs - 14x50x2.3 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $103.41 AUD
Regular price $218.52 AUD Sale price $103.41 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
OD (D0)
14.00
mm

(Equiv. 0.551 in.)
Overall Length (L0)
60
mm

(Equiv. 2.362 in.)
Wire Diameter (d)
2.300
mm

(Equiv. 0.091 in.)
Max. Extension (L1)
70.90
mm
Spring Rate
10.10
N/mm
Initial Tension (IT)
45.1
N
Extension Springs - 14x60x2.3 mm - Steel
Material: Steel    Load at L1: 154.95 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1400-0600-23-M (5 Pcs)
Extension Springs - 14x60x2.3 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $11.32 AUD
Regular price $23.47 AUD Sale price $11.32 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
14.00
mm

(Equiv. 0.551 in.)
Overall Length (L0)
60
mm

(Equiv. 2.362 in.)
Wire Diameter (d)
2.300
mm

(Equiv. 0.091 in.)
Max. Extension (L1)
70.90
mm
Extension Springs - 14x60x2.3 mm - Steel
Material: Steel    Spring Rate: 10.10 N/mm    Initial Tension (IT): 45.1 N    Load at L1: 154.95 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1400-0600-23-M (5 Pcs)
Extension Springs - 14x60x2.3 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $11.32 AUD
Regular price $23.47 AUD Sale price $11.32 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
14.20
mm

(Equiv. 0.559 in.)
Overall Length (L0)
177.6
mm

(Equiv. 6.992 in.)
Wire Diameter (d)
1.60
mm

(Equiv. 0.063 in.)
Initial Tension (IT)
0.3
N
Extension Springs - 14.2x177.6x1.6 mm - Steel
Material: Steel   
Category: Springs - Extension - Music Wire
Part Number: ES-1420-1776-16-M
Extension Springs - 14.2x177.6x1.6 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $12.86 AUD
Regular price $25.13 AUD Sale price $12.86 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
14.20
mm

(Equiv. 0.559 in.)
Overall Length (L0)
177.6
mm

(Equiv. 6.992 in.)
Wire Diameter (d)
1.60
mm

(Equiv. 0.063 in.)
Extension Springs - 14.2x177.6x1.6 mm - Steel
Material: Steel    Initial Tension (IT): 0.3 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1420-1776-16-M
Extension Springs - 14.2x177.6x1.6 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $12.86 AUD
Regular price $25.13 AUD Sale price $12.86 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
14.28
mm

(Equiv. 0.562 in.)
Overall Length (L0)
508.0
mm

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

(Equiv. 0.091 in.)
Spring Rate
11.90
N/mm
Initial Tension (IT)
11.9
N
Extension Springs - 14.28x508x2.31 mm - Stainless Steel
Material: Stainless Steel   
Category: Springs - Extension - Stainless Steel
Part Number: ES-1428-5080-23-S2
Extension Springs - 14.28x508x2.31 mm - Stainless Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025
Regular price $92.50 AUD
Regular price $111.00 AUD Sale price $92.50 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
14.28
mm

(Equiv. 0.562 in.)
Overall Length (L0)
508.0
mm

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

(Equiv. 0.091 in.)
Extension Springs - 14.28x508x2.31 mm - Stainless Steel
Material: Stainless Steel    Spring Rate: 11.90 N/mm    Initial Tension (IT): 11.9 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-1428-5080-23-S2
Extension Springs - 14.28x508x2.31 mm - Stainless Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025
Regular price $92.50 AUD
Regular price $111.00 AUD Sale price $92.50 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
14.28
mm

(Equiv. 0.562 in.)
Overall Length (L0)
508.0
mm

(Equiv. 20 in.)
Wire Diameter (d)
1.37
mm

(Equiv. 0.054 in.)
Spring Rate
0.77
N/mm
Initial Tension (IT)
0.8
N
Extension Springs - 14.28x508x1.37 mm - Stainless Steel
Material: Stainless Steel   
Category: Springs - Extension - Stainless Steel
Part Number: ES-1428-5080-14-S2
Extension Springs - 14.28x508x1.37 mm - Stainless Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025
Regular price $70.50 AUD
Regular price $84.60 AUD Sale price $70.50 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
14.28
mm

(Equiv. 0.562 in.)
Overall Length (L0)
508.0
mm

(Equiv. 20 in.)
Wire Diameter (d)
1.37
mm

(Equiv. 0.054 in.)
Extension Springs - 14.28x508x1.37 mm - Stainless Steel
Material: Stainless Steel    Spring Rate: 0.77 N/mm    Initial Tension (IT): 0.8 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-1428-5080-14-S2
Extension Springs - 14.28x508x1.37 mm - Stainless Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025
Regular price $70.50 AUD
Regular price $84.60 AUD Sale price $70.50 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
14.28
mm

(Equiv. 0.562 in.)
Overall Length (L0)
508.0
mm

(Equiv. 20 in.)
Wire Diameter (d)
1.83
mm

(Equiv. 0.072 in.)
Spring Rate
3.33
N/mm
Initial Tension (IT)
3.3
N
Extension Springs - 14.28x508x1.83 mm - Stainless Steel
Material: Stainless Steel   
Category: Springs - Extension - Stainless Steel
Part Number: ES-1428-5080-18-S2
Extension Springs - 14.28x508x1.83 mm - Stainless Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025
Regular price $78.32 AUD
Regular price $93.98 AUD Sale price $78.32 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
14.28
mm

(Equiv. 0.562 in.)
Overall Length (L0)
508.0
mm

(Equiv. 20 in.)
Wire Diameter (d)
1.83
mm

(Equiv. 0.072 in.)
Extension Springs - 14.28x508x1.83 mm - Stainless Steel
Material: Stainless Steel    Spring Rate: 3.33 N/mm    Initial Tension (IT): 3.3 N   
Category: Springs - Extension - Stainless Steel
Part Number: ES-1428-5080-18-S2
Extension Springs - 14.28x508x1.83 mm - Stainless Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025
Regular price $78.32 AUD
Regular price $93.98 AUD Sale price $78.32 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
14.30
mm

(Equiv. 0.563 in.)
Overall Length (L0)
176.9
mm

(Equiv. 6.965 in.)
Wire Diameter (d)
2.00
mm

(Equiv. 0.079 in.)
Initial Tension (IT)
1.2
N
Extension Springs - 14.3x176.9x2 mm - Steel
Material: Steel   
Category: Springs - Extension - Music Wire
Part Number: ES-1429-1769-20-M
Extension Springs - 14.3x176.9x2 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $15.32 AUD
Regular price $30.20 AUD Sale price $15.32 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
14.30
mm

(Equiv. 0.563 in.)
Overall Length (L0)
176.9
mm

(Equiv. 6.965 in.)
Wire Diameter (d)
2.00
mm

(Equiv. 0.079 in.)
Extension Springs - 14.3x176.9x2 mm - Steel
Material: Steel    Initial Tension (IT): 1.2 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1429-1769-20-M
Extension Springs - 14.3x176.9x2 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $15.32 AUD
Regular price $30.20 AUD Sale price $15.32 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
14.30
mm

(Equiv. 0.563 in.)
Overall Length (L0)
228.1
mm

(Equiv. 8.98 in.)
Wire Diameter (d)
1.80
mm

(Equiv. 0.071 in.)
Initial Tension (IT)
0.5
N
Extension Springs - 14.3x228.1x1.8 mm - Steel
Material: Steel   
Category: Springs - Extension - Music Wire
Part Number: ES-1429-2281-18-M
Extension Springs - 14.3x228.1x1.8 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $15.50 AUD
Regular price $30.67 AUD Sale price $15.50 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
14.30
mm

(Equiv. 0.563 in.)
Overall Length (L0)
228.1
mm

(Equiv. 8.98 in.)
Wire Diameter (d)
1.80
mm

(Equiv. 0.071 in.)
Extension Springs - 14.3x228.1x1.8 mm - Steel
Material: Steel    Initial Tension (IT): 0.5 N   
Category: Springs - Extension - Music Wire
Part Number: ES-1429-2281-18-M
Extension Springs - 14.3x228.1x1.8 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $15.50 AUD
Regular price $30.67 AUD Sale price $15.50 AUD
Each
Quantity Required

Backorder: Out of Stock.