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)
6.10
mm

(Equiv. 0.24 in.)
Overall Length (L0)
38.1
mm

(Equiv. 1.5 in.)
Wire Diameter (d)
0.89
mm

(Equiv. 0.035 in.)
Max. Extension (L1)
61.470
mm
Spring Rate
1.208
N/mm
Initial Tension (IT)
2.9
N
Extension Springs - 6.1x38.1x0.89 mm - Steel
Material: Steel    Load at L1: 31.140 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0610-0381-09-M
Extension Springs - 6.1x38.1x0.89 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $6.23 AUD
Regular price $11.77 AUD Sale price $6.23 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0) Overall Length (L0) Wire Diameter (d) Max. Extension (L1) Indicative
Image
OD (D0)
6.10
mm

(Equiv. 0.24 in.)
Overall Length (L0)
38.1
mm

(Equiv. 1.5 in.)
Wire Diameter (d)
0.89
mm

(Equiv. 0.035 in.)
Max. Extension (L1)
61.470
mm
Extension Springs - 6.1x38.1x0.89 mm - Steel
Material: Steel    Spring Rate: 1.208 N/mm    Initial Tension (IT): 2.9 N    Load at L1: 31.140 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0610-0381-09-M
Extension Springs - 6.1x38.1x0.89 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $6.23 AUD
Regular price $11.77 AUD Sale price $6.23 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
6.10
mm

(Equiv. 0.24 in.)
Overall Length (L0)
38.1
mm

(Equiv. 1.5 in.)
Wire Diameter (d)
0.99
mm

(Equiv. 0.039 in.)
Max. Extension (L1)
52.320
mm
Spring Rate
2.505
N/mm
Initial Tension (IT)
4.7
N
Extension Springs - 6.1x38.1x0.99 mm - Steel
Material: Steel    Load at L1: 40.670 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0610-0381-10-M
Extension Springs - 6.1x38.1x0.99 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $6.41 AUD
Regular price $12.02 AUD Sale price $6.41 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
6.10
mm

(Equiv. 0.24 in.)
Overall Length (L0)
38.1
mm

(Equiv. 1.5 in.)
Wire Diameter (d)
0.99
mm

(Equiv. 0.039 in.)
Max. Extension (L1)
52.320
mm
Extension Springs - 6.1x38.1x0.99 mm - Steel
Material: Steel    Spring Rate: 2.505 N/mm    Initial Tension (IT): 4.7 N    Load at L1: 40.670 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0610-0381-10-M
Extension Springs - 6.1x38.1x0.99 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $6.41 AUD
Regular price $12.02 AUD Sale price $6.41 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
6.10
mm

(Equiv. 0.24 in.)
Overall Length (L0)
44.5
mm

(Equiv. 1.752 in.)
Wire Diameter (d)
0.56
mm

(Equiv. 0.022 in.)
Max. Extension (L1)
131.060
mm
Spring Rate
0.105
N/mm
Initial Tension (IT)
0.8
N
Extension Springs - 6.1x44.5x0.56 mm - Steel
Material: Steel    Load at L1: 9.210 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0610-0445-06-M
Extension Springs - 6.1x44.5x0.56 mm Music Wire - Steel Spring
4 Available Now | Further orders can be expected around Fri, Oct 24, 2025
Regular price $4.50 AUD
Regular price $10.94 AUD Sale price $4.50 AUD
Each
Quantity Required

4 Available Now. Backorder if more than 4.
OD (D0)
6.10
mm

(Equiv. 0.24 in.)
Overall Length (L0)
44.5
mm

(Equiv. 1.752 in.)
Wire Diameter (d)
0.56
mm

(Equiv. 0.022 in.)
Max. Extension (L1)
131.060
mm
Extension Springs - 6.1x44.5x0.56 mm - Steel
Material: Steel    Spring Rate: 0.105 N/mm    Initial Tension (IT): 0.8 N    Load at L1: 9.210 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0610-0445-06-M
Extension Springs - 6.1x44.5x0.56 mm Music Wire - Steel Spring
4 Available Now | Further orders can be expected around Fri, Oct 24, 2025
Regular price $4.50 AUD
Regular price $10.94 AUD Sale price $4.50 AUD
Each
Quantity Required

4 Available Now. Backorder if more than 4.
OD (D0)
6.10
mm

(Equiv. 0.24 in.)
Overall Length (L0)
44.5
mm

(Equiv. 1.752 in.)
Wire Diameter (d)
0.71
mm

(Equiv. 0.028 in.)
Max. Extension (L1)
88.140
mm
Spring Rate
0.420
N/mm
Initial Tension (IT)
1.8
N
Extension Springs - 6.1x44.5x0.71 mm - Steel
Material: Steel    Load at L1: 20.020 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0610-0445-07-M
Extension Springs - 6.1x44.5x0.71 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $6.05 AUD
Regular price $11.34 AUD Sale price $6.05 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
6.10
mm

(Equiv. 0.24 in.)
Overall Length (L0)
44.5
mm

(Equiv. 1.752 in.)
Wire Diameter (d)
0.71
mm

(Equiv. 0.028 in.)
Max. Extension (L1)
88.140
mm
Extension Springs - 6.1x44.5x0.71 mm - Steel
Material: Steel    Spring Rate: 0.420 N/mm    Initial Tension (IT): 1.8 N    Load at L1: 20.020 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0610-0445-07-M
Extension Springs - 6.1x44.5x0.71 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $6.05 AUD
Regular price $11.34 AUD Sale price $6.05 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
6.10
mm

(Equiv. 0.24 in.)
Overall Length (L0)
44.5
mm

(Equiv. 1.752 in.)
Wire Diameter (d)
0.79
mm

(Equiv. 0.031 in.)
Max. Extension (L1)
80.010
mm
Spring Rate
0.595
N/mm
Initial Tension (IT)
2.2
N
Extension Springs - 6.1x44.5x0.79 mm - Steel
Material: Steel    Load at L1: 23.580 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0610-0445-08-M
Extension Springs - 6.1x44.5x0.79 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $6.14 AUD
Regular price $11.56 AUD Sale price $6.14 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
6.10
mm

(Equiv. 0.24 in.)
Overall Length (L0)
44.5
mm

(Equiv. 1.752 in.)
Wire Diameter (d)
0.79
mm

(Equiv. 0.031 in.)
Max. Extension (L1)
80.010
mm
Extension Springs - 6.1x44.5x0.79 mm - Steel
Material: Steel    Spring Rate: 0.595 N/mm    Initial Tension (IT): 2.2 N    Load at L1: 23.580 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0610-0445-08-M
Extension Springs - 6.1x44.5x0.79 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $6.14 AUD
Regular price $11.56 AUD Sale price $6.14 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
6.10
mm

(Equiv. 0.24 in.)
Overall Length (L0)
44.5
mm

(Equiv. 1.752 in.)
Wire Diameter (d)
0.89
mm

(Equiv. 0.035 in.)
Max. Extension (L1)
73.410
mm
Spring Rate
0.981
N/mm
Initial Tension (IT)
2.9
N
Extension Springs - 6.1x44.5x0.89 mm - Steel
Material: Steel    Load at L1: 31.140 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0610-0445-09-M
Extension Springs - 6.1x44.5x0.89 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $6.32 AUD
Regular price $11.99 AUD Sale price $6.32 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
6.10
mm

(Equiv. 0.24 in.)
Overall Length (L0)
44.5
mm

(Equiv. 1.752 in.)
Wire Diameter (d)
0.89
mm

(Equiv. 0.035 in.)
Max. Extension (L1)
73.410
mm
Extension Springs - 6.1x44.5x0.89 mm - Steel
Material: Steel    Spring Rate: 0.981 N/mm    Initial Tension (IT): 2.9 N    Load at L1: 31.140 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0610-0445-09-M
Extension Springs - 6.1x44.5x0.89 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $6.32 AUD
Regular price $11.99 AUD Sale price $6.32 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
6.10
mm

(Equiv. 0.24 in.)
Overall Length (L0)
44.5
mm

(Equiv. 1.752 in.)
Wire Diameter (d)
0.99
mm

(Equiv. 0.039 in.)
Max. Extension (L1)
61.720
mm
Spring Rate
2.086
N/mm
Initial Tension (IT)
4.7
N
Extension Springs - 6.1x44.5x0.99 mm - Steel
Material: Steel    Load at L1: 40.670 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0610-0445-10-M
Extension Springs - 6.1x44.5x0.99 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $6.50 AUD
Regular price $12.28 AUD Sale price $6.50 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
6.10
mm

(Equiv. 0.24 in.)
Overall Length (L0)
44.5
mm

(Equiv. 1.752 in.)
Wire Diameter (d)
0.99
mm

(Equiv. 0.039 in.)
Max. Extension (L1)
61.720
mm
Extension Springs - 6.1x44.5x0.99 mm - Steel
Material: Steel    Spring Rate: 2.086 N/mm    Initial Tension (IT): 4.7 N    Load at L1: 40.670 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0610-0445-10-M
Extension Springs - 6.1x44.5x0.99 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $6.50 AUD
Regular price $12.28 AUD Sale price $6.50 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
6.10
mm

(Equiv. 0.24 in.)
Overall Length (L0)
50.8
mm

(Equiv. 2 in.)
Wire Diameter (d)
0.56
mm

(Equiv. 0.022 in.)
Max. Extension (L1)
154.180
mm
Spring Rate
0.088
N/mm
Initial Tension (IT)
0.8
N
Extension Springs - 6.1x50.8x0.56 mm - Steel
Material: Steel    Load at L1: 9.210 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0610-0508-06-M
Extension Springs - 6.1x50.8x0.56 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $5.86 AUD
Regular price $11.12 AUD Sale price $5.86 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
6.10
mm

(Equiv. 0.24 in.)
Overall Length (L0)
50.8
mm

(Equiv. 2 in.)
Wire Diameter (d)
0.56
mm

(Equiv. 0.022 in.)
Max. Extension (L1)
154.180
mm
Extension Springs - 6.1x50.8x0.56 mm - Steel
Material: Steel    Spring Rate: 0.088 N/mm    Initial Tension (IT): 0.8 N    Load at L1: 9.210 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0610-0508-06-M
Extension Springs - 6.1x50.8x0.56 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $5.86 AUD
Regular price $11.12 AUD Sale price $5.86 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
6.10
mm

(Equiv. 0.24 in.)
Overall Length (L0)
50.8
mm

(Equiv. 2 in.)
Wire Diameter (d)
0.71
mm

(Equiv. 0.028 in.)
Max. Extension (L1)
102.620
mm
Spring Rate
0.350
N/mm
Initial Tension (IT)
1.8
N
Extension Springs - 6.1x50.8x0.71 mm - Steel
Material: Steel    Load at L1: 20.020 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0610-0508-07-M
Extension Springs - 6.1x50.8x0.71 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $6.14 AUD
Regular price $11.56 AUD Sale price $6.14 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
6.10
mm

(Equiv. 0.24 in.)
Overall Length (L0)
50.8
mm

(Equiv. 2 in.)
Wire Diameter (d)
0.71
mm

(Equiv. 0.028 in.)
Max. Extension (L1)
102.620
mm
Extension Springs - 6.1x50.8x0.71 mm - Steel
Material: Steel    Spring Rate: 0.350 N/mm    Initial Tension (IT): 1.8 N    Load at L1: 20.020 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0610-0508-07-M
Extension Springs - 6.1x50.8x0.71 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $6.14 AUD
Regular price $11.56 AUD Sale price $6.14 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
6.10
mm

(Equiv. 0.24 in.)
Overall Length (L0)
50.8
mm

(Equiv. 2 in.)
Wire Diameter (d)
0.79
mm

(Equiv. 0.031 in.)
Max. Extension (L1)
92.710
mm
Spring Rate
0.508
N/mm
Initial Tension (IT)
2.2
N
Extension Springs - 6.1x50.8x0.79 mm - Steel
Material: Steel    Load at L1: 23.580 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0610-0508-08-M
Extension Springs - 6.1x50.8x0.79 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $6.23 AUD
Regular price $11.81 AUD Sale price $6.23 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
6.10
mm

(Equiv. 0.24 in.)
Overall Length (L0)
50.8
mm

(Equiv. 2 in.)
Wire Diameter (d)
0.79
mm

(Equiv. 0.031 in.)
Max. Extension (L1)
92.710
mm
Extension Springs - 6.1x50.8x0.79 mm - Steel
Material: Steel    Spring Rate: 0.508 N/mm    Initial Tension (IT): 2.2 N    Load at L1: 23.580 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0610-0508-08-M
Extension Springs - 6.1x50.8x0.79 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $6.23 AUD
Regular price $11.81 AUD Sale price $6.23 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
6.10
mm

(Equiv. 0.24 in.)
Overall Length (L0)
50.8
mm

(Equiv. 2 in.)
Wire Diameter (d)
0.89
mm

(Equiv. 0.035 in.)
Max. Extension (L1)
85.090
mm
Spring Rate
0.823
N/mm
Initial Tension (IT)
2.9
N
Extension Springs - 6.1x50.8x0.89 mm - Steel
Material: Steel    Load at L1: 31.140 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0610-0508-09-M
Extension Springs - 6.1x50.8x0.89 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $6.50 AUD
Regular price $12.24 AUD Sale price $6.50 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
6.10
mm

(Equiv. 0.24 in.)
Overall Length (L0)
50.8
mm

(Equiv. 2 in.)
Wire Diameter (d)
0.89
mm

(Equiv. 0.035 in.)
Max. Extension (L1)
85.090
mm
Extension Springs - 6.1x50.8x0.89 mm - Steel
Material: Steel    Spring Rate: 0.823 N/mm    Initial Tension (IT): 2.9 N    Load at L1: 31.140 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0610-0508-09-M
Extension Springs - 6.1x50.8x0.89 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $6.50 AUD
Regular price $12.24 AUD Sale price $6.50 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
6.10
mm

(Equiv. 0.24 in.)
Overall Length (L0)
50.8
mm

(Equiv. 2 in.)
Wire Diameter (d)
0.99
mm

(Equiv. 0.039 in.)
Max. Extension (L1)
71.370
mm
Spring Rate
1.717
N/mm
Initial Tension (IT)
4.7
N
Extension Springs - 6.1x50.8x0.99 mm - Steel
Material: Steel    Load at L1: 40.670 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0610-0508-10-M
Extension Springs - 6.1x50.8x0.99 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $6.59 AUD
Regular price $12.53 AUD Sale price $6.59 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
6.10
mm

(Equiv. 0.24 in.)
Overall Length (L0)
50.8
mm

(Equiv. 2 in.)
Wire Diameter (d)
0.99
mm

(Equiv. 0.039 in.)
Max. Extension (L1)
71.370
mm
Extension Springs - 6.1x50.8x0.99 mm - Steel
Material: Steel    Spring Rate: 1.717 N/mm    Initial Tension (IT): 4.7 N    Load at L1: 40.670 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0610-0508-10-M
Extension Springs - 6.1x50.8x0.99 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $6.59 AUD
Regular price $12.53 AUD Sale price $6.59 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
6.10
mm

(Equiv. 0.24 in.)
Overall Length (L0)
57.2
mm

(Equiv. 2.252 in.)
Wire Diameter (d)
0.56
mm

(Equiv. 0.022 in.)
Max. Extension (L1)
177.290
mm
Spring Rate
0.070
N/mm
Initial Tension (IT)
0.8
N
Extension Springs - 6.1x57.2x0.56 mm - Steel
Material: Steel    Load at L1: 9.210 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0610-0572-06-M
Extension Springs - 6.1x57.2x0.56 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $5.86 AUD
Regular price $11.12 AUD Sale price $5.86 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
6.10
mm

(Equiv. 0.24 in.)
Overall Length (L0)
57.2
mm

(Equiv. 2.252 in.)
Wire Diameter (d)
0.56
mm

(Equiv. 0.022 in.)
Max. Extension (L1)
177.290
mm
Extension Springs - 6.1x57.2x0.56 mm - Steel
Material: Steel    Spring Rate: 0.070 N/mm    Initial Tension (IT): 0.8 N    Load at L1: 9.210 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0610-0572-06-M
Extension Springs - 6.1x57.2x0.56 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $5.86 AUD
Regular price $11.12 AUD Sale price $5.86 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
6.10
mm

(Equiv. 0.24 in.)
Overall Length (L0)
57.2
mm

(Equiv. 2.252 in.)
Wire Diameter (d)
0.71
mm

(Equiv. 0.028 in.)
Max. Extension (L1)
117.350
mm
Spring Rate
0.298
N/mm
Initial Tension (IT)
1.8
N
Extension Springs - 6.1x57.2x0.71 mm - Steel
Material: Steel    Load at L1: 20.020 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0610-0572-07-M
Extension Springs - 6.1x57.2x0.71 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $6.23 AUD
Regular price $11.77 AUD Sale price $6.23 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
6.10
mm

(Equiv. 0.24 in.)
Overall Length (L0)
57.2
mm

(Equiv. 2.252 in.)
Wire Diameter (d)
0.71
mm

(Equiv. 0.028 in.)
Max. Extension (L1)
117.350
mm
Extension Springs - 6.1x57.2x0.71 mm - Steel
Material: Steel    Spring Rate: 0.298 N/mm    Initial Tension (IT): 1.8 N    Load at L1: 20.020 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0610-0572-07-M
Extension Springs - 6.1x57.2x0.71 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $6.23 AUD
Regular price $11.77 AUD Sale price $6.23 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
6.10
mm

(Equiv. 0.24 in.)
Overall Length (L0)
57.2
mm

(Equiv. 2.252 in.)
Wire Diameter (d)
0.79
mm

(Equiv. 0.031 in.)
Max. Extension (L1)
105.660
mm
Spring Rate
0.438
N/mm
Initial Tension (IT)
2.2
N
Extension Springs - 6.1x57.2x0.79 mm - Steel
Material: Steel    Load at L1: 23.580 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0610-0572-08-M
Extension Springs - 6.1x57.2x0.79 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $6.50 AUD
Regular price $12.20 AUD Sale price $6.50 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
6.10
mm

(Equiv. 0.24 in.)
Overall Length (L0)
57.2
mm

(Equiv. 2.252 in.)
Wire Diameter (d)
0.79
mm

(Equiv. 0.031 in.)
Max. Extension (L1)
105.660
mm
Extension Springs - 6.1x57.2x0.79 mm - Steel
Material: Steel    Spring Rate: 0.438 N/mm    Initial Tension (IT): 2.2 N    Load at L1: 23.580 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0610-0572-08-M
Extension Springs - 6.1x57.2x0.79 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $6.50 AUD
Regular price $12.20 AUD Sale price $6.50 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
6.10
mm

(Equiv. 0.24 in.)
Overall Length (L0)
57.2
mm

(Equiv. 2.252 in.)
Wire Diameter (d)
0.89
mm

(Equiv. 0.035 in.)
Max. Extension (L1)
96.770
mm
Spring Rate
0.718
N/mm
Initial Tension (IT)
2.9
N
Extension Springs - 6.1x57.2x0.89 mm - Steel
Material: Steel    Load at L1: 31.140 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0610-0572-09-M
Extension Springs - 6.1x57.2x0.89 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $6.59 AUD
Regular price $12.49 AUD Sale price $6.59 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
6.10
mm

(Equiv. 0.24 in.)
Overall Length (L0)
57.2
mm

(Equiv. 2.252 in.)
Wire Diameter (d)
0.89
mm

(Equiv. 0.035 in.)
Max. Extension (L1)
96.770
mm
Extension Springs - 6.1x57.2x0.89 mm - Steel
Material: Steel    Spring Rate: 0.718 N/mm    Initial Tension (IT): 2.9 N    Load at L1: 31.140 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0610-0572-09-M
Extension Springs - 6.1x57.2x0.89 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $6.59 AUD
Regular price $12.49 AUD Sale price $6.59 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
6.10
mm

(Equiv. 0.24 in.)
Overall Length (L0)
63.5
mm

(Equiv. 2.5 in.)
Wire Diameter (d)
0.56
mm

(Equiv. 0.022 in.)
Max. Extension (L1)
200.410
mm
Spring Rate
0.053
N/mm
Initial Tension (IT)
0.8
N
Extension Springs - 6.1x63.5x0.56 mm - Steel
Material: Steel    Load at L1: 9.210 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0610-0635-06-M
Extension Springs - 6.1x63.5x0.56 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $6.05 AUD
Regular price $11.34 AUD Sale price $6.05 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
6.10
mm

(Equiv. 0.24 in.)
Overall Length (L0)
63.5
mm

(Equiv. 2.5 in.)
Wire Diameter (d)
0.56
mm

(Equiv. 0.022 in.)
Max. Extension (L1)
200.410
mm
Extension Springs - 6.1x63.5x0.56 mm - Steel
Material: Steel    Spring Rate: 0.053 N/mm    Initial Tension (IT): 0.8 N    Load at L1: 9.210 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0610-0635-06-M
Extension Springs - 6.1x63.5x0.56 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $6.05 AUD
Regular price $11.34 AUD Sale price $6.05 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
6.10
mm

(Equiv. 0.24 in.)
Overall Length (L0)
57.2
mm

(Equiv. 2.252 in.)
Wire Diameter (d)
0.99
mm

(Equiv. 0.039 in.)
Max. Extension (L1)
80.770
mm
Spring Rate
1.245
N/mm
Initial Tension (IT)
4.7
N
Extension Springs - 6.1x57.2x0.99 mm - Steel
Material: Steel    Load at L1: 40.670 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0610-0572-10-M
Extension Springs - 6.1x57.2x0.99 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $7.14 AUD
Regular price $13.54 AUD Sale price $7.14 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
6.10
mm

(Equiv. 0.24 in.)
Overall Length (L0)
57.2
mm

(Equiv. 2.252 in.)
Wire Diameter (d)
0.99
mm

(Equiv. 0.039 in.)
Max. Extension (L1)
80.770
mm
Extension Springs - 6.1x57.2x0.99 mm - Steel
Material: Steel    Spring Rate: 1.245 N/mm    Initial Tension (IT): 4.7 N    Load at L1: 40.670 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0610-0572-10-M
Extension Springs - 6.1x57.2x0.99 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $7.14 AUD
Regular price $13.54 AUD Sale price $7.14 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
6.10
mm

(Equiv. 0.24 in.)
Overall Length (L0)
63.5
mm

(Equiv. 2.5 in.)
Wire Diameter (d)
0.71
mm

(Equiv. 0.028 in.)
Max. Extension (L1)
131.830
mm
Spring Rate
0.263
N/mm
Initial Tension (IT)
1.8
N
Extension Springs - 6.1x63.5x0.71 mm - Steel
Material: Steel    Load at L1: 20.020 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0610-0635-07-M
Extension Springs - 6.1x63.5x0.71 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $6.59 AUD
Regular price $12.42 AUD Sale price $6.59 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
6.10
mm

(Equiv. 0.24 in.)
Overall Length (L0)
63.5
mm

(Equiv. 2.5 in.)
Wire Diameter (d)
0.71
mm

(Equiv. 0.028 in.)
Max. Extension (L1)
131.830
mm
Extension Springs - 6.1x63.5x0.71 mm - Steel
Material: Steel    Spring Rate: 0.263 N/mm    Initial Tension (IT): 1.8 N    Load at L1: 20.020 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0610-0635-07-M
Extension Springs - 6.1x63.5x0.71 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $6.59 AUD
Regular price $12.42 AUD Sale price $6.59 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
6.10
mm

(Equiv. 0.24 in.)
Overall Length (L0)
63.5
mm

(Equiv. 2.5 in.)
Wire Diameter (d)
0.79
mm

(Equiv. 0.031 in.)
Max. Extension (L1)
188.360
mm
Spring Rate
0.385
N/mm
Initial Tension (IT)
2.2
N
Extension Springs - 6.1x63.5x0.79 mm - Steel
Material: Steel    Load at L1: 23.580 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0610-0635-08-M
Extension Springs - 6.1x63.5x0.79 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $6.50 AUD
Regular price $12.24 AUD Sale price $6.50 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
6.10
mm

(Equiv. 0.24 in.)
Overall Length (L0)
63.5
mm

(Equiv. 2.5 in.)
Wire Diameter (d)
0.79
mm

(Equiv. 0.031 in.)
Max. Extension (L1)
188.360
mm
Extension Springs - 6.1x63.5x0.79 mm - Steel
Material: Steel    Spring Rate: 0.385 N/mm    Initial Tension (IT): 2.2 N    Load at L1: 23.580 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0610-0635-08-M
Extension Springs - 6.1x63.5x0.79 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $6.50 AUD
Regular price $12.24 AUD Sale price $6.50 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
6.10
mm

(Equiv. 0.24 in.)
Overall Length (L0)
63.5
mm

(Equiv. 2.5 in.)
Wire Diameter (d)
0.89
mm

(Equiv. 0.035 in.)
Max. Extension (L1)
108.460
mm
Spring Rate
0.630
N/mm
Initial Tension (IT)
2.9
N
Extension Springs - 6.1x63.5x0.89 mm - Steel
Material: Steel    Load at L1: 31.140 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0610-0635-09-M
Extension Springs - 6.1x63.5x0.89 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $6.68 AUD
Regular price $12.71 AUD Sale price $6.68 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
6.10
mm

(Equiv. 0.24 in.)
Overall Length (L0)
63.5
mm

(Equiv. 2.5 in.)
Wire Diameter (d)
0.89
mm

(Equiv. 0.035 in.)
Max. Extension (L1)
108.460
mm
Extension Springs - 6.1x63.5x0.89 mm - Steel
Material: Steel    Spring Rate: 0.630 N/mm    Initial Tension (IT): 2.9 N    Load at L1: 31.140 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0610-0635-09-M
Extension Springs - 6.1x63.5x0.89 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $6.68 AUD
Regular price $12.71 AUD Sale price $6.68 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
6.10
mm

(Equiv. 0.24 in.)
Overall Length (L0)
63.5
mm

(Equiv. 2.5 in.)
Wire Diameter (d)
0.99
mm

(Equiv. 0.039 in.)
Max. Extension (L1)
90.420
mm
Spring Rate
1.358
N/mm
Initial Tension (IT)
4.7
N
Extension Springs - 6.1x63.5x0.99 mm - Steel
Material: Steel    Load at L1: 40.670 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0610-0635-10-M
Extension Springs - 6.1x63.5x0.99 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $7.32 AUD
Regular price $13.79 AUD Sale price $7.32 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
6.10
mm

(Equiv. 0.24 in.)
Overall Length (L0)
63.5
mm

(Equiv. 2.5 in.)
Wire Diameter (d)
0.99
mm

(Equiv. 0.039 in.)
Max. Extension (L1)
90.420
mm
Extension Springs - 6.1x63.5x0.99 mm - Steel
Material: Steel    Spring Rate: 1.358 N/mm    Initial Tension (IT): 4.7 N    Load at L1: 40.670 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0610-0635-10-M
Extension Springs - 6.1x63.5x0.99 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $7.32 AUD
Regular price $13.79 AUD Sale price $7.32 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
6.10
mm

(Equiv. 0.24 in.)
Overall Length (L0)
69.9
mm

(Equiv. 2.752 in.)
Wire Diameter (d)
0.56
mm

(Equiv. 0.022 in.)
Max. Extension (L1)
223.520
mm
Spring Rate
0.053
N/mm
Initial Tension (IT)
0.8
N
Extension Springs - 6.1x69.9x0.56 mm - Steel
Material: Steel    Load at L1: 9.210 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0610-0699-06-M
Extension Springs - 6.1x69.9x0.56 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $6.14 AUD
Regular price $11.52 AUD Sale price $6.14 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
6.10
mm

(Equiv. 0.24 in.)
Overall Length (L0)
69.9
mm

(Equiv. 2.752 in.)
Wire Diameter (d)
0.56
mm

(Equiv. 0.022 in.)
Max. Extension (L1)
223.520
mm
Extension Springs - 6.1x69.9x0.56 mm - Steel
Material: Steel    Spring Rate: 0.053 N/mm    Initial Tension (IT): 0.8 N    Load at L1: 9.210 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0610-0699-06-M
Extension Springs - 6.1x69.9x0.56 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $6.14 AUD
Regular price $11.52 AUD Sale price $6.14 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
6.10
mm

(Equiv. 0.24 in.)
Overall Length (L0)
69.9
mm

(Equiv. 2.752 in.)
Wire Diameter (d)
0.71
mm

(Equiv. 0.028 in.)
Max. Extension (L1)
146.560
mm
Spring Rate
0.245
N/mm
Initial Tension (IT)
1.8
N
Extension Springs - 6.1x69.9x0.71 mm - Steel
Material: Steel    Load at L1: 20.020 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0610-0699-07-M
Extension Springs - 6.1x69.9x0.71 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $6.50 AUD
Regular price $12.20 AUD Sale price $6.50 AUD
Each
Quantity Required

Backorder: Out of Stock.
OD (D0)
6.10
mm

(Equiv. 0.24 in.)
Overall Length (L0)
69.9
mm

(Equiv. 2.752 in.)
Wire Diameter (d)
0.71
mm

(Equiv. 0.028 in.)
Max. Extension (L1)
146.560
mm
Extension Springs - 6.1x69.9x0.71 mm - Steel
Material: Steel    Spring Rate: 0.245 N/mm    Initial Tension (IT): 1.8 N    Load at L1: 20.020 N   
Category: Springs - Extension - Music Wire
Part Number: ES-0610-0699-07-M
Extension Springs - 6.1x69.9x0.71 mm Music Wire - Steel Spring
Out of Stock | Backorder Now | Orders can be expected around Fri, Oct 24, 2025
Regular price $6.50 AUD
Regular price $12.20 AUD Sale price $6.50 AUD
Each
Quantity Required

Backorder: Out of Stock.