Collection: Springs - Extension - Music Wire

Springs -> Extension -> Music Wire
OD (D0) Overall Length (L0) Wire Diameter (d) Max. Extension (L1) Spring Rate Initial Tension (IT) Indicative
Image
OD (D0)
7.93
mm

(Equiv. 0.312 in.)
Overall Length (L0)
76.2
mm

(Equiv. 3 in.)
Wire Diameter (d)
0.71
mm

(Equiv. 0.028 in.)
Spring Rate
0.07
N/mm
Initial Tension (IT)
0.3
N
Extension Springs - 7.93x76.2x0.71 mm - Steel - Zinc
Material: Steel - Zinc   
Part Number: ES-0793-0762-07-M
Extension Springs - 7.93x76.2x0.71 mm Stainless Steel - Steel - Zinc Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025
Regular price $10.77 AUD
Regular price $12.93 AUD Sale price $10.77 AUD
Each
Quantity Required

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OD (D0) Overall Length (L0) Wire Diameter (d) Max. Extension (L1) Indicative
Image
OD (D0)
7.93
mm

(Equiv. 0.312 in.)
Overall Length (L0)
76.2
mm

(Equiv. 3 in.)
Wire Diameter (d)
0.71
mm

(Equiv. 0.028 in.)
Extension Springs - 7.93x76.2x0.71 mm - Steel - Zinc
Material: Steel - Zinc    Spring Rate: 0.07 N/mm    Initial Tension (IT): 0.3 N   
Part Number: ES-0793-0762-07-M
Extension Springs - 7.93x76.2x0.71 mm Stainless Steel - Steel - Zinc Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025
Regular price $10.77 AUD
Regular price $12.93 AUD Sale price $10.77 AUD
Each
Quantity Required

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OD (D0)
7.93
mm

(Equiv. 0.312 in.)
Overall Length (L0)
127.0
mm

(Equiv. 5 in.)
Wire Diameter (d)
0.89
mm

(Equiv. 0.035 in.)
Spring Rate
0.14
N/mm
Initial Tension (IT)
0.4
N
Extension Springs - 7.93x127x0.89 mm - Steel - Zinc
Material: Steel - Zinc   
Part Number: ES-0793-1270-09-M
Extension Springs - 7.93x127x0.89 mm Stainless Steel - Steel - Zinc Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025
Regular price $9.32 AUD
Regular price $11.18 AUD Sale price $9.32 AUD
Each
Quantity Required

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OD (D0)
7.93
mm

(Equiv. 0.312 in.)
Overall Length (L0)
127.0
mm

(Equiv. 5 in.)
Wire Diameter (d)
0.89
mm

(Equiv. 0.035 in.)
Extension Springs - 7.93x127x0.89 mm - Steel - Zinc
Material: Steel - Zinc    Spring Rate: 0.14 N/mm    Initial Tension (IT): 0.4 N   
Part Number: ES-0793-1270-09-M
Extension Springs - 7.93x127x0.89 mm Stainless Steel - Steel - Zinc Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025
Regular price $9.32 AUD
Regular price $11.18 AUD Sale price $9.32 AUD
Each
Quantity Required

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OD (D0)
7.93
mm

(Equiv. 0.312 in.)
Overall Length (L0)
279.4
mm

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

(Equiv. 0.047 in.)
Spring Rate
0.30
N/mm
Initial Tension (IT)
0.3
N
Extension Springs - 7.93x279.4x1.19 mm - Steel
Material: Steel   
Part Number: ES-0793-2794-12-M
Extension Springs - 7.93x279.4x1.19 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025
Regular price $8.86 AUD
Regular price $16.80 AUD Sale price $8.86 AUD
Each
Quantity Required

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OD (D0)
7.93
mm

(Equiv. 0.312 in.)
Overall Length (L0)
279.4
mm

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

(Equiv. 0.047 in.)
Extension Springs - 7.93x279.4x1.19 mm - Steel
Material: Steel    Spring Rate: 0.30 N/mm    Initial Tension (IT): 0.3 N   
Part Number: ES-0793-2794-12-M
Extension Springs - 7.93x279.4x1.19 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025
Regular price $8.86 AUD
Regular price $16.80 AUD Sale price $8.86 AUD
Each
Quantity Required

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OD (D0)
7.93
mm

(Equiv. 0.312 in.)
Overall Length (L0)
287.3
mm

(Equiv. 11.311 in.)
Wire Diameter (d)
0.91
mm

(Equiv. 0.036 in.)
Spring Rate
0.53
N/mm
Initial Tension (IT)
0.2
N
Extension Springs - 7.93x287.3x0.91 mm - Steel - Zinc
Material: Steel - Zinc   
Part Number: ES-0793-2873-09-M
Extension Springs - 7.93x287.3x0.91 mm Stainless Steel - Steel - Zinc Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025
Regular price $6.68 AUD
Regular price Sale price $6.68 AUD
Each
Quantity Required

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OD (D0)
7.93
mm

(Equiv. 0.312 in.)
Overall Length (L0)
287.3
mm

(Equiv. 11.311 in.)
Wire Diameter (d)
0.91
mm

(Equiv. 0.036 in.)
Extension Springs - 7.93x287.3x0.91 mm - Steel - Zinc
Material: Steel - Zinc    Spring Rate: 0.53 N/mm    Initial Tension (IT): 0.2 N   
Part Number: ES-0793-2873-09-M
Extension Springs - 7.93x287.3x0.91 mm Stainless Steel - Steel - Zinc Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 19, 2025
Regular price $6.68 AUD
Regular price Sale price $6.68 AUD
Each
Quantity Required

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OD (D0)
8.00
mm

(Equiv. 0.315 in.)
Overall Length (L0)
25
mm

(Equiv. 0.984 in.)
Wire Diameter (d)
0.800
mm

(Equiv. 0.031 in.)
Max. Extension (L1)
40.10
mm
Spring Rate
0.69
N/mm
Initial Tension (IT)
2.4
N
Extension Springs - 8x25x0.8 mm - Steel
Material: Steel    Load at L1: 12.75 N   
Part Number: ES-0800-0250-08-M (5 Pcs)
Extension Springs - 8x25x0.8 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $7.32 AUD
Regular price $15.07 AUD Sale price $7.32 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
8.00
mm

(Equiv. 0.315 in.)
Overall Length (L0)
25
mm

(Equiv. 0.984 in.)
Wire Diameter (d)
0.800
mm

(Equiv. 0.031 in.)
Max. Extension (L1)
40.10
mm
Extension Springs - 8x25x0.8 mm - Steel
Material: Steel    Spring Rate: 0.69 N/mm    Initial Tension (IT): 2.4 N    Load at L1: 12.75 N   
Part Number: ES-0800-0250-08-M (5 Pcs)
Extension Springs - 8x25x0.8 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $7.32 AUD
Regular price $15.07 AUD Sale price $7.32 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
8.00
mm

(Equiv. 0.315 in.)
Overall Length (L0)
25
mm

(Equiv. 0.984 in.)
Wire Diameter (d)
1.000
mm

(Equiv. 0.039 in.)
Max. Extension (L1)
34.10
mm
Spring Rate
2.16
N/mm
Initial Tension (IT)
4.9
N
Extension Springs - 8x25x1 mm - Steel
Material: Steel    Load at L1: 24.52 N   
Part Number: ES-0800-0250-10-M (5 Pcs)
Extension Springs - 8x25x1 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $7.32 AUD
Regular price $15.07 AUD Sale price $7.32 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
8.00
mm

(Equiv. 0.315 in.)
Overall Length (L0)
25
mm

(Equiv. 0.984 in.)
Wire Diameter (d)
1.000
mm

(Equiv. 0.039 in.)
Max. Extension (L1)
34.10
mm
Extension Springs - 8x25x1 mm - Steel
Material: Steel    Spring Rate: 2.16 N/mm    Initial Tension (IT): 4.9 N    Load at L1: 24.52 N   
Part Number: ES-0800-0250-10-M (5 Pcs)
Extension Springs - 8x25x1 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $7.32 AUD
Regular price $15.07 AUD Sale price $7.32 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
8.00
mm

(Equiv. 0.315 in.)
Overall Length (L0)
25
mm

(Equiv. 0.984 in.)
Wire Diameter (d)
1.200
mm

(Equiv. 0.047 in.)
Max. Extension (L1)
30.30
mm
Spring Rate
5.88
N/mm
Initial Tension (IT)
9.8
N
Extension Springs - 8x25x1.2 mm - Steel
Material: Steel    Load at L1: 41.19 N   
Part Number: ES-0800-0250-12-M (5 Pcs)
Extension Springs - 8x25x1.2 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $7.32 AUD
Regular price $15.07 AUD Sale price $7.32 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
8.00
mm

(Equiv. 0.315 in.)
Overall Length (L0)
25
mm

(Equiv. 0.984 in.)
Wire Diameter (d)
1.200
mm

(Equiv. 0.047 in.)
Max. Extension (L1)
30.30
mm
Extension Springs - 8x25x1.2 mm - Steel
Material: Steel    Spring Rate: 5.88 N/mm    Initial Tension (IT): 9.8 N    Load at L1: 41.19 N   
Part Number: ES-0800-0250-12-M (5 Pcs)
Extension Springs - 8x25x1.2 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $7.32 AUD
Regular price $15.07 AUD Sale price $7.32 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
8.00
mm

(Equiv. 0.315 in.)
Overall Length (L0)
30
mm

(Equiv. 1.181 in.)
Wire Diameter (d)
0.800
mm

(Equiv. 0.031 in.)
Max. Extension (L1)
51.20
mm
Spring Rate
0.49
N/mm
Initial Tension (IT)
2.4
N
Extension Springs - 8x30x0.8 mm - Steel
Material: Steel    Load at L1: 12.75 N   
Part Number: ES-0800-0300-08-M (5 Pcs)
Extension Springs - 8x30x0.8 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $7.32 AUD
Regular price $15.07 AUD Sale price $7.32 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
8.00
mm

(Equiv. 0.315 in.)
Overall Length (L0)
30
mm

(Equiv. 1.181 in.)
Wire Diameter (d)
0.800
mm

(Equiv. 0.031 in.)
Max. Extension (L1)
51.20
mm
Extension Springs - 8x30x0.8 mm - Steel
Material: Steel    Spring Rate: 0.49 N/mm    Initial Tension (IT): 2.4 N    Load at L1: 12.75 N   
Part Number: ES-0800-0300-08-M (5 Pcs)
Extension Springs - 8x30x0.8 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $7.32 AUD
Regular price $15.07 AUD Sale price $7.32 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
8.00
mm

(Equiv. 0.315 in.)
Overall Length (L0)
30
mm

(Equiv. 1.181 in.)
Wire Diameter (d)
1.000
mm

(Equiv. 0.039 in.)
Max. Extension (L1)
42.50
mm
Spring Rate
1.57
N/mm
Initial Tension (IT)
4.9
N
Extension Springs - 8x30x1 mm - Steel
Material: Steel    Load at L1: 24.52 N   
Part Number: ES-0800-0300-10-M (5 Pcs)
Extension Springs - 8x30x1 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $7.32 AUD
Regular price $15.07 AUD Sale price $7.32 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
8.00
mm

(Equiv. 0.315 in.)
Overall Length (L0)
30
mm

(Equiv. 1.181 in.)
Wire Diameter (d)
1.000
mm

(Equiv. 0.039 in.)
Max. Extension (L1)
42.50
mm
Extension Springs - 8x30x1 mm - Steel
Material: Steel    Spring Rate: 1.57 N/mm    Initial Tension (IT): 4.9 N    Load at L1: 24.52 N   
Part Number: ES-0800-0300-10-M (5 Pcs)
Extension Springs - 8x30x1 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $7.32 AUD
Regular price $15.07 AUD Sale price $7.32 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
8.00
mm

(Equiv. 0.315 in.)
Overall Length (L0)
30
mm

(Equiv. 1.181 in.)
Wire Diameter (d)
1.200
mm

(Equiv. 0.047 in.)
Max. Extension (L1)
37.30
mm
Spring Rate
4.31
N/mm
Initial Tension (IT)
9.8
N
Extension Springs - 8x30x1.2 mm - Steel
Material: Steel    Load at L1: 41.19 N   
Part Number: ES-0800-0300-12-M (5 Pcs)
Extension Springs - 8x30x1.2 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $7.32 AUD
Regular price $15.07 AUD Sale price $7.32 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
8.00
mm

(Equiv. 0.315 in.)
Overall Length (L0)
30
mm

(Equiv. 1.181 in.)
Wire Diameter (d)
1.200
mm

(Equiv. 0.047 in.)
Max. Extension (L1)
37.30
mm
Extension Springs - 8x30x1.2 mm - Steel
Material: Steel    Spring Rate: 4.31 N/mm    Initial Tension (IT): 9.8 N    Load at L1: 41.19 N   
Part Number: ES-0800-0300-12-M (5 Pcs)
Extension Springs - 8x30x1.2 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $7.32 AUD
Regular price $15.07 AUD Sale price $7.32 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
8.00
mm

(Equiv. 0.315 in.)
Overall Length (L0)
35
mm

(Equiv. 1.378 in.)
Wire Diameter (d)
0.700
mm

(Equiv. 0.028 in.)
Max. Extension (L1)
71.20
mm
Spring Rate
0.21
N/mm
Initial Tension (IT)
1.1
N
Extension Springs - 8x35x0.7 mm - Steel
Material: Steel    Load at L1: 8.53 N   
Part Number: ES-0800-0350-07-M (5 Pcs)
Extension Springs - 8x35x0.7 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $7.32 AUD
Regular price $15.07 AUD Sale price $7.32 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
8.00
mm

(Equiv. 0.315 in.)
Overall Length (L0)
35
mm

(Equiv. 1.378 in.)
Wire Diameter (d)
0.700
mm

(Equiv. 0.028 in.)
Max. Extension (L1)
71.20
mm
Extension Springs - 8x35x0.7 mm - Steel
Material: Steel    Spring Rate: 0.21 N/mm    Initial Tension (IT): 1.1 N    Load at L1: 8.53 N   
Part Number: ES-0800-0350-07-M (5 Pcs)
Extension Springs - 8x35x0.7 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $7.32 AUD
Regular price $15.07 AUD Sale price $7.32 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
8.00
mm

(Equiv. 0.315 in.)
Overall Length (L0)
35
mm

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

(Equiv. 0.031 in.)
Max. Extension (L1)
61.50
mm
Spring Rate
0.39
N/mm
Initial Tension (IT)
2.4
N
Extension Springs - 8x35x0.8 mm - Steel
Material: Steel    Load at L1: 12.75 N   
Part Number: ES-0800-0350-08-M (5 Pcs)
Extension Springs - 8x35x0.8 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $7.32 AUD
Regular price $15.07 AUD Sale price $7.32 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
8.00
mm

(Equiv. 0.315 in.)
Overall Length (L0)
35
mm

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

(Equiv. 0.031 in.)
Max. Extension (L1)
61.50
mm
Extension Springs - 8x35x0.8 mm - Steel
Material: Steel    Spring Rate: 0.39 N/mm    Initial Tension (IT): 2.4 N    Load at L1: 12.75 N   
Part Number: ES-0800-0350-08-M (5 Pcs)
Extension Springs - 8x35x0.8 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $7.32 AUD
Regular price $15.07 AUD Sale price $7.32 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
8.00
mm

(Equiv. 0.315 in.)
Overall Length (L0)
35
mm

(Equiv. 1.378 in.)
Wire Diameter (d)
1.000
mm

(Equiv. 0.039 in.)
Max. Extension (L1)
50.40
mm
Spring Rate
1.27
N/mm
Initial Tension (IT)
4.9
N
Extension Springs - 8x35x1 mm - Steel
Material: Steel    Load at L1: 24.52 N   
Part Number: ES-0800-0350-10-M (5 Pcs)
Extension Springs - 8x35x1 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $7.32 AUD
Regular price $15.07 AUD Sale price $7.32 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
8.00
mm

(Equiv. 0.315 in.)
Overall Length (L0)
35
mm

(Equiv. 1.378 in.)
Wire Diameter (d)
1.000
mm

(Equiv. 0.039 in.)
Max. Extension (L1)
50.40
mm
Extension Springs - 8x35x1 mm - Steel
Material: Steel    Spring Rate: 1.27 N/mm    Initial Tension (IT): 4.9 N    Load at L1: 24.52 N   
Part Number: ES-0800-0350-10-M (5 Pcs)
Extension Springs - 8x35x1 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $7.32 AUD
Regular price $15.07 AUD Sale price $7.32 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
8.00
mm

(Equiv. 0.315 in.)
Overall Length (L0)
35
mm

(Equiv. 1.378 in.)
Wire Diameter (d)
1.200
mm

(Equiv. 0.047 in.)
Max. Extension (L1)
44.10
mm
Spring Rate
3.43
N/mm
Initial Tension (IT)
9.8
N
Extension Springs - 8x35x1.2 mm - Steel
Material: Steel    Load at L1: 41.19 N   
Part Number: ES-0800-0350-12-M (100 Pcs)
Extension Springs - 8x35x1.2 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $142.50 AUD
Regular price $301.32 AUD Sale price $142.50 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
OD (D0)
8.00
mm

(Equiv. 0.315 in.)
Overall Length (L0)
35
mm

(Equiv. 1.378 in.)
Wire Diameter (d)
1.200
mm

(Equiv. 0.047 in.)
Max. Extension (L1)
44.10
mm
Extension Springs - 8x35x1.2 mm - Steel
Material: Steel    Spring Rate: 3.43 N/mm    Initial Tension (IT): 9.8 N    Load at L1: 41.19 N   
Part Number: ES-0800-0350-12-M (100 Pcs)
Extension Springs - 8x35x1.2 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $142.50 AUD
Regular price $301.32 AUD Sale price $142.50 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
OD (D0)
8.00
mm

(Equiv. 0.315 in.)
Overall Length (L0)
40
mm

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

(Equiv. 0.028 in.)
Max. Extension (L1)
84.70
mm
Spring Rate
0.17
N/mm
Initial Tension (IT)
1.1
N
Extension Springs - 8x40x0.7 mm - Steel
Material: Steel    Load at L1: 8.53 N   
Part Number: ES-0800-0400-07-M (5 Pcs)
Extension Springs - 8x40x0.7 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $7.32 AUD
Regular price $15.07 AUD Sale price $7.32 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
8.00
mm

(Equiv. 0.315 in.)
Overall Length (L0)
40
mm

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

(Equiv. 0.028 in.)
Max. Extension (L1)
84.70
mm
Extension Springs - 8x40x0.7 mm - Steel
Material: Steel    Spring Rate: 0.17 N/mm    Initial Tension (IT): 1.1 N    Load at L1: 8.53 N   
Part Number: ES-0800-0400-07-M (5 Pcs)
Extension Springs - 8x40x0.7 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $7.32 AUD
Regular price $15.07 AUD Sale price $7.32 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
8.00
mm

(Equiv. 0.315 in.)
Overall Length (L0)
40
mm

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

(Equiv. 0.031 in.)
Max. Extension (L1)
73.10
mm
Spring Rate
0.31
N/mm
Initial Tension (IT)
2.4
N
Extension Springs - 8x40x0.8 mm - Steel
Material: Steel    Load at L1: 12.75 N   
Part Number: ES-0800-0400-08-M (5 Pcs)
Extension Springs - 8x40x0.8 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $7.32 AUD
Regular price $15.07 AUD Sale price $7.32 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
8.00
mm

(Equiv. 0.315 in.)
Overall Length (L0)
40
mm

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

(Equiv. 0.031 in.)
Max. Extension (L1)
73.10
mm
Extension Springs - 8x40x0.8 mm - Steel
Material: Steel    Spring Rate: 0.31 N/mm    Initial Tension (IT): 2.4 N    Load at L1: 12.75 N   
Part Number: ES-0800-0400-08-M (5 Pcs)
Extension Springs - 8x40x0.8 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $7.32 AUD
Regular price $15.07 AUD Sale price $7.32 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
8.00
mm

(Equiv. 0.315 in.)
Overall Length (L0)
40
mm

(Equiv. 1.575 in.)
Wire Diameter (d)
0.900
mm

(Equiv. 0.035 in.)
Max. Extension (L1)
63.80
mm
Spring Rate
0.62
N/mm
Initial Tension (IT)
3.9
N
Extension Springs - 8x40x0.9 mm - Steel
Material: Steel    Load at L1: 18.63 N   
Part Number: ES-0800-0400-09-M (5 Pcs)
Extension Springs - 8x40x0.9 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $7.32 AUD
Regular price $15.07 AUD Sale price $7.32 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
8.00
mm

(Equiv. 0.315 in.)
Overall Length (L0)
40
mm

(Equiv. 1.575 in.)
Wire Diameter (d)
0.900
mm

(Equiv. 0.035 in.)
Max. Extension (L1)
63.80
mm
Extension Springs - 8x40x0.9 mm - Steel
Material: Steel    Spring Rate: 0.62 N/mm    Initial Tension (IT): 3.9 N    Load at L1: 18.63 N   
Part Number: ES-0800-0400-09-M (5 Pcs)
Extension Springs - 8x40x0.9 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $7.32 AUD
Regular price $15.07 AUD Sale price $7.32 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
8.00
mm

(Equiv. 0.315 in.)
Overall Length (L0)
40
mm

(Equiv. 1.575 in.)
Wire Diameter (d)
1.000
mm

(Equiv. 0.039 in.)
Max. Extension (L1)
59.20
mm
Spring Rate
0.98
N/mm
Initial Tension (IT)
4.9
N
Extension Springs - 8x40x1 mm - Steel
Material: Steel    Load at L1: 24.52 N   
Part Number: ES-0800-0400-10-M (5 Pcs)
Extension Springs - 8x40x1 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $7.32 AUD
Regular price $15.07 AUD Sale price $7.32 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
8.00
mm

(Equiv. 0.315 in.)
Overall Length (L0)
40
mm

(Equiv. 1.575 in.)
Wire Diameter (d)
1.000
mm

(Equiv. 0.039 in.)
Max. Extension (L1)
59.20
mm
Extension Springs - 8x40x1 mm - Steel
Material: Steel    Spring Rate: 0.98 N/mm    Initial Tension (IT): 4.9 N    Load at L1: 24.52 N   
Part Number: ES-0800-0400-10-M (5 Pcs)
Extension Springs - 8x40x1 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $7.32 AUD
Regular price $15.07 AUD Sale price $7.32 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
8.00
mm

(Equiv. 0.315 in.)
Overall Length (L0)
40
mm

(Equiv. 1.575 in.)
Wire Diameter (d)
1.200
mm

(Equiv. 0.047 in.)
Max. Extension (L1)
51.90
mm
Spring Rate
2.65
N/mm
Initial Tension (IT)
9.8
N
Extension Springs - 8x40x1.2 mm - Steel
Material: Steel    Load at L1: 41.19 N   
Part Number: ES-0800-0400-12-M (5 Pcs)
Extension Springs - 8x40x1.2 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $7.32 AUD
Regular price $15.07 AUD Sale price $7.32 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
8.00
mm

(Equiv. 0.315 in.)
Overall Length (L0)
40
mm

(Equiv. 1.575 in.)
Wire Diameter (d)
1.200
mm

(Equiv. 0.047 in.)
Max. Extension (L1)
51.90
mm
Extension Springs - 8x40x1.2 mm - Steel
Material: Steel    Spring Rate: 2.65 N/mm    Initial Tension (IT): 9.8 N    Load at L1: 41.19 N   
Part Number: ES-0800-0400-12-M (5 Pcs)
Extension Springs - 8x40x1.2 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $7.32 AUD
Regular price $15.07 AUD Sale price $7.32 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
8.00
mm

(Equiv. 0.315 in.)
Overall Length (L0)
45
mm

(Equiv. 1.772 in.)
Wire Diameter (d)
0.900
mm

(Equiv. 0.035 in.)
Max. Extension (L1)
73.30
mm
Spring Rate
0.52
N/mm
Initial Tension (IT)
3.9
N
Extension Springs - 8x45x0.9 mm - Steel
Material: Steel    Load at L1: 18.63 N   
Part Number: ES-0800-0450-09-M (5 Pcs)
Extension Springs - 8x45x0.9 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $7.32 AUD
Regular price $15.07 AUD Sale price $7.32 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
8.00
mm

(Equiv. 0.315 in.)
Overall Length (L0)
45
mm

(Equiv. 1.772 in.)
Wire Diameter (d)
0.900
mm

(Equiv. 0.035 in.)
Max. Extension (L1)
73.30
mm
Extension Springs - 8x45x0.9 mm - Steel
Material: Steel    Spring Rate: 0.52 N/mm    Initial Tension (IT): 3.9 N    Load at L1: 18.63 N   
Part Number: ES-0800-0450-09-M (5 Pcs)
Extension Springs - 8x45x0.9 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $7.32 AUD
Regular price $15.07 AUD Sale price $7.32 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
8.00
mm

(Equiv. 0.315 in.)
Overall Length (L0)
45
mm

(Equiv. 1.772 in.)
Wire Diameter (d)
1.000
mm

(Equiv. 0.039 in.)
Max. Extension (L1)
67.20
mm
Spring Rate
0.88
N/mm
Initial Tension (IT)
4.9
N
Extension Springs - 8x45x1 mm - Steel
Material: Steel    Load at L1: 24.52 N   
Part Number: ES-0800-0450-10-M (5 Pcs)
Extension Springs - 8x45x1 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $7.32 AUD
Regular price $15.07 AUD Sale price $7.32 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
8.00
mm

(Equiv. 0.315 in.)
Overall Length (L0)
45
mm

(Equiv. 1.772 in.)
Wire Diameter (d)
1.000
mm

(Equiv. 0.039 in.)
Max. Extension (L1)
67.20
mm
Extension Springs - 8x45x1 mm - Steel
Material: Steel    Spring Rate: 0.88 N/mm    Initial Tension (IT): 4.9 N    Load at L1: 24.52 N   
Part Number: ES-0800-0450-10-M (5 Pcs)
Extension Springs - 8x45x1 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $7.32 AUD
Regular price $15.07 AUD Sale price $7.32 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
8.00
mm

(Equiv. 0.315 in.)
Overall Length (L0)
45
mm

(Equiv. 1.772 in.)
Wire Diameter (d)
1.200
mm

(Equiv. 0.047 in.)
Max. Extension (L1)
58.60
mm
Spring Rate
2.35
N/mm
Initial Tension (IT)
9.8
N
Extension Springs - 8x45x1.2 mm - Steel
Material: Steel    Load at L1: 41.19 N    End Type: Double Loop   
Part Number: ES-0800-0450-12-M (5 Pcs)
Extension Springs - 8x45x1.2 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $7.59 AUD
Regular price $15.71 AUD Sale price $7.59 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
8.00
mm

(Equiv. 0.315 in.)
Overall Length (L0)
45
mm

(Equiv. 1.772 in.)
Wire Diameter (d)
1.200
mm

(Equiv. 0.047 in.)
Max. Extension (L1)
58.60
mm
Extension Springs - 8x45x1.2 mm - Steel
Material: Steel    Spring Rate: 2.35 N/mm    Initial Tension (IT): 9.8 N    Load at L1: 41.19 N    End Type: Double Loop   
Part Number: ES-0800-0450-12-M (5 Pcs)
Extension Springs - 8x45x1.2 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $7.59 AUD
Regular price $15.71 AUD Sale price $7.59 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
8.00
mm

(Equiv. 0.315 in.)
Overall Length (L0)
50
mm

(Equiv. 1.969 in.)
Wire Diameter (d)
0.900
mm

(Equiv. 0.035 in.)
Max. Extension (L1)
82.60
mm
Spring Rate
0.45
N/mm
Initial Tension (IT)
3.9
N
Extension Springs - 8x50x0.9 mm - Steel
Material: Steel    Load at L1: 18.63 N   
Part Number: ES-0800-0500-09-M (5 Pcs)
Extension Springs - 8x50x0.9 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $7.32 AUD
Regular price $15.07 AUD Sale price $7.32 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
8.00
mm

(Equiv. 0.315 in.)
Overall Length (L0)
50
mm

(Equiv. 1.969 in.)
Wire Diameter (d)
0.900
mm

(Equiv. 0.035 in.)
Max. Extension (L1)
82.60
mm
Extension Springs - 8x50x0.9 mm - Steel
Material: Steel    Spring Rate: 0.45 N/mm    Initial Tension (IT): 3.9 N    Load at L1: 18.63 N   
Part Number: ES-0800-0500-09-M (5 Pcs)
Extension Springs - 8x50x0.9 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $7.32 AUD
Regular price $15.07 AUD Sale price $7.32 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
8.00
mm

(Equiv. 0.315 in.)
Overall Length (L0)
50
mm

(Equiv. 1.969 in.)
Wire Diameter (d)
1.000
mm

(Equiv. 0.039 in.)
Max. Extension (L1)
75.00
mm
Spring Rate
0.78
N/mm
Initial Tension (IT)
4.9
N
Extension Springs - 8x50x1 mm - Steel
Material: Steel    Load at L1: 24.52 N   
Part Number: ES-0800-0500-10-M (5 Pcs)
Extension Springs - 8x50x1 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $7.59 AUD
Regular price $15.71 AUD Sale price $7.59 AUD
Per 5
Quantity Required

Backorder: Out of Stock.
OD (D0)
8.00
mm

(Equiv. 0.315 in.)
Overall Length (L0)
50
mm

(Equiv. 1.969 in.)
Wire Diameter (d)
1.000
mm

(Equiv. 0.039 in.)
Max. Extension (L1)
75.00
mm
Extension Springs - 8x50x1 mm - Steel
Material: Steel    Spring Rate: 0.78 N/mm    Initial Tension (IT): 4.9 N    Load at L1: 24.52 N   
Part Number: ES-0800-0500-10-M (5 Pcs)
Extension Springs - 8x50x1 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 03, 2025
Regular price $7.59 AUD
Regular price $15.71 AUD Sale price $7.59 AUD
Per 5
Quantity Required

Backorder: Out of Stock.