| OD (D0) | Overall Length (L0) | Wire Diameter (d) | Max. Extension (L1) | Spring Rate | Initial Tension (IT) |
Indicative Image |
|---|---|---|---|---|---|---|
|
OD (D0)
38.10
mm (Equiv. 1.5 in.) |
Overall Length (L0)
914.0
mm (Equiv. 35.984 in.) |
Wire Diameter (d)
4.12
mm (Equiv. 0.162 in.) |
Spring Rate
12.05
N/mm |
Initial Tension (IT)
12.0
N |
|
|
|
Material: Steel - None
Category: Springs - Extension - Stainless Steel |
||||||
|
Part Number: ES-3810-9140-41-S2
Extension Springs - 38.1x914x4.12 mm Stainless Steel - Steel - None Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Nov 24, 2025 Regular price
$180.77 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
| OD (D0) | Overall Length (L0) | Wire Diameter (d) | Max. Extension (L1) |
Indicative Image |
||
|
OD (D0)
38.10
mm (Equiv. 1.5 in.) |
Overall Length (L0)
914.0
mm (Equiv. 35.984 in.) |
Wire Diameter (d)
4.12
mm (Equiv. 0.162 in.) |
|
|||
|
Material: Steel - None
Spring Rate: 12.05 N/mm
Initial Tension (IT): 12.0 N
Category: Springs - Extension - Stainless Steel |
||||||
|
Part Number: ES-3810-9140-41-S2
Extension Springs - 38.1x914x4.12 mm Stainless Steel - Steel - None Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Nov 24, 2025 Regular price
$180.77 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
127.0
mm (Equiv. 5 in.) |
Wire Diameter (d)
4.50
mm (Equiv. 0.177 in.) |
Max. Extension (L1)
193.550
mm |
Spring Rate
6.410
N/mm |
Initial Tension (IT)
42.3
N |
|
|
Material: Steel
Load at L1: 469.330 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-4445-1270-45-M
Extension Springs - 44.45x127x4.5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
$85.05 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
127.0
mm (Equiv. 5 in.) |
Wire Diameter (d)
4.50
mm (Equiv. 0.177 in.) |
Max. Extension (L1)
193.550
mm |
|
||
|
Material: Steel
Spring Rate: 6.410 N/mm
Initial Tension (IT): 42.3 N
Load at L1: 469.330 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-4445-1270-45-M
Extension Springs - 44.45x127x4.5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
$85.05 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
127.0
mm (Equiv. 5 in.) |
Wire Diameter (d)
5.00
mm (Equiv. 0.197 in.) |
Max. Extension (L1)
173.740
mm |
Spring Rate
10.757
N/mm |
Initial Tension (IT)
64.9
N |
|
|
Material: Steel
Load at L1: 564.040 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-4445-1270-50-M
Extension Springs - 44.45x127x5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
$100.23 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
127.0
mm (Equiv. 5 in.) |
Wire Diameter (d)
5.00
mm (Equiv. 0.197 in.) |
Max. Extension (L1)
173.740
mm |
|
||
|
Material: Steel
Spring Rate: 10.757 N/mm
Initial Tension (IT): 64.9 N
Load at L1: 564.040 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-4445-1270-50-M
Extension Springs - 44.45x127x5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
$100.23 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
127.0
mm (Equiv. 5 in.) |
Wire Diameter (d)
4.01
mm (Equiv. 0.158 in.) |
Max. Extension (L1)
226.060
mm |
Spring Rate
3.696
N/mm |
Initial Tension (IT)
25.8
N |
|
|
Material: Steel
Load at L1: 392.040 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-4445-1270-40-M
Extension Springs - 44.45x127x4.01 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
$71.86 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
127.0
mm (Equiv. 5 in.) |
Wire Diameter (d)
4.01
mm (Equiv. 0.158 in.) |
Max. Extension (L1)
226.060
mm |
|
||
|
Material: Steel
Spring Rate: 3.696 N/mm
Initial Tension (IT): 25.8 N
Load at L1: 392.040 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-4445-1270-40-M
Extension Springs - 44.45x127x4.01 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
$71.86 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
152.4
mm (Equiv. 6 in.) |
Wire Diameter (d)
4.01
mm (Equiv. 0.158 in.) |
Max. Extension (L1)
311.400
mm |
Spring Rate
2.312
N/mm |
Initial Tension (IT)
25.8
N |
|
|
Material: Steel
Load at L1: 392.040 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-4445-1524-40-M
Extension Springs - 44.45x152.4x4.01 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
$82.59 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
152.4
mm (Equiv. 6 in.) |
Wire Diameter (d)
4.01
mm (Equiv. 0.158 in.) |
Max. Extension (L1)
311.400
mm |
|
||
|
Material: Steel
Spring Rate: 2.312 N/mm
Initial Tension (IT): 25.8 N
Load at L1: 392.040 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-4445-1524-40-M
Extension Springs - 44.45x152.4x4.01 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
$82.59 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
152.4
mm (Equiv. 6 in.) |
Wire Diameter (d)
5.00
mm (Equiv. 0.197 in.) |
Max. Extension (L1)
224.280
mm |
Spring Rate
6.973
N/mm |
Initial Tension (IT)
64.9
N |
|
|
Material: Steel
Load at L1: 564.040 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-4445-1524-50-M
Extension Springs - 44.45x152.4x5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
$117.50 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
152.4
mm (Equiv. 6 in.) |
Wire Diameter (d)
5.00
mm (Equiv. 0.197 in.) |
Max. Extension (L1)
224.280
mm |
|
||
|
Material: Steel
Spring Rate: 6.973 N/mm
Initial Tension (IT): 64.9 N
Load at L1: 564.040 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-4445-1524-50-M
Extension Springs - 44.45x152.4x5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
$117.50 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
139.7
mm (Equiv. 5.5 in.) |
Wire Diameter (d)
4.01
mm (Equiv. 0.158 in.) |
Max. Extension (L1)
268.730
mm |
Spring Rate
2.838
N/mm |
Initial Tension (IT)
25.8
N |
|
|
Material: Steel
Load at L1: 392.040 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-4445-1397-40-M
Extension Springs - 44.45x139.7x4.01 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
$77.50 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
139.7
mm (Equiv. 5.5 in.) |
Wire Diameter (d)
4.01
mm (Equiv. 0.158 in.) |
Max. Extension (L1)
268.730
mm |
|
||
|
Material: Steel
Spring Rate: 2.838 N/mm
Initial Tension (IT): 25.8 N
Load at L1: 392.040 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-4445-1397-40-M
Extension Springs - 44.45x139.7x4.01 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
$77.50 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
139.7
mm (Equiv. 5.5 in.) |
Wire Diameter (d)
4.50
mm (Equiv. 0.177 in.) |
Max. Extension (L1)
225.300
mm |
Spring Rate
4.990
N/mm |
Initial Tension (IT)
42.3
N |
|
|
Material: Steel
Load at L1: 469.330 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-4445-1397-45-M
Extension Springs - 44.45x139.7x4.5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
$91.32 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
139.7
mm (Equiv. 5.5 in.) |
Wire Diameter (d)
4.50
mm (Equiv. 0.177 in.) |
Max. Extension (L1)
225.300
mm |
|
||
|
Material: Steel
Spring Rate: 4.990 N/mm
Initial Tension (IT): 42.3 N
Load at L1: 469.330 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-4445-1397-45-M
Extension Springs - 44.45x139.7x4.5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
$91.32 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
139.7
mm (Equiv. 5.5 in.) |
Wire Diameter (d)
5.00
mm (Equiv. 0.197 in.) |
Max. Extension (L1)
199.140
mm |
Spring Rate
8.462
N/mm |
Initial Tension (IT)
64.9
N |
|
|
Material: Steel
Load at L1: 564.040 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-4445-1397-50-M
Extension Springs - 44.45x139.7x5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
$108.68 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
139.7
mm (Equiv. 5.5 in.) |
Wire Diameter (d)
5.00
mm (Equiv. 0.197 in.) |
Max. Extension (L1)
199.140
mm |
|
||
|
Material: Steel
Spring Rate: 8.462 N/mm
Initial Tension (IT): 64.9 N
Load at L1: 564.040 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-4445-1397-50-M
Extension Springs - 44.45x139.7x5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
$108.68 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
177.8
mm (Equiv. 7 in.) |
Wire Diameter (d)
4.50
mm (Equiv. 0.177 in.) |
Max. Extension (L1)
320.290
mm |
Spring Rate
2.990
N/mm |
Initial Tension (IT)
42.3
N |
|
|
Material: Steel
Load at L1: 469.330 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-4445-1778-45-M
Extension Springs - 44.45x177.8x4.5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
$112.32 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
177.8
mm (Equiv. 7 in.) |
Wire Diameter (d)
4.50
mm (Equiv. 0.177 in.) |
Max. Extension (L1)
320.290
mm |
|
||
|
Material: Steel
Spring Rate: 2.990 N/mm
Initial Tension (IT): 42.3 N
Load at L1: 469.330 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-4445-1778-45-M
Extension Springs - 44.45x177.8x4.5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
$112.32 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
152.4
mm (Equiv. 6 in.) |
Wire Diameter (d)
4.50
mm (Equiv. 0.177 in.) |
Max. Extension (L1)
257.050
mm |
Spring Rate
4.080
N/mm |
Initial Tension (IT)
42.3
N |
|
|
Material: Steel
Load at L1: 469.330 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-4445-1524-45-M
Extension Springs - 44.45x152.4x4.5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
$98.68 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
152.4
mm (Equiv. 6 in.) |
Wire Diameter (d)
4.50
mm (Equiv. 0.177 in.) |
Max. Extension (L1)
257.050
mm |
|
||
|
Material: Steel
Spring Rate: 4.080 N/mm
Initial Tension (IT): 42.3 N
Load at L1: 469.330 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-4445-1524-45-M
Extension Springs - 44.45x152.4x4.5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
$98.68 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
190.5
mm (Equiv. 7.5 in.) |
Wire Diameter (d)
4.50
mm (Equiv. 0.177 in.) |
Max. Extension (L1)
352.040
mm |
Spring Rate
2.640
N/mm |
Initial Tension (IT)
42.3
N |
|
|
Material: Steel
Load at L1: 469.330 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-4445-1905-45-M
Extension Springs - 44.45x190.5x4.5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
$119.86 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
190.5
mm (Equiv. 7.5 in.) |
Wire Diameter (d)
4.50
mm (Equiv. 0.177 in.) |
Max. Extension (L1)
352.040
mm |
|
||
|
Material: Steel
Spring Rate: 2.640 N/mm
Initial Tension (IT): 42.3 N
Load at L1: 469.330 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-4445-1905-45-M
Extension Springs - 44.45x190.5x4.5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
$119.86 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
190.5
mm (Equiv. 7.5 in.) |
Wire Diameter (d)
5.00
mm (Equiv. 0.197 in.) |
Max. Extension (L1)
300.230
mm |
Spring Rate
4.555
N/mm |
Initial Tension (IT)
64.9
N |
|
|
Material: Steel
Load at L1: 564.040 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-4445-1905-50-M
Extension Springs - 44.45x190.5x5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
$143.86 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
190.5
mm (Equiv. 7.5 in.) |
Wire Diameter (d)
5.00
mm (Equiv. 0.197 in.) |
Max. Extension (L1)
300.230
mm |
|
||
|
Material: Steel
Spring Rate: 4.555 N/mm
Initial Tension (IT): 64.9 N
Load at L1: 564.040 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-4445-1905-50-M
Extension Springs - 44.45x190.5x5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
$143.86 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
165.1
mm (Equiv. 6.5 in.) |
Wire Diameter (d)
4.01
mm (Equiv. 0.158 in.) |
Max. Extension (L1)
353.820
mm |
Spring Rate
1.962
N/mm |
Initial Tension (IT)
25.8
N |
|
|
Material: Steel
Load at L1: 392.040 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-4445-1651-40-M
Extension Springs - 44.45x165.1x4.01 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
$87.86 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
165.1
mm (Equiv. 6.5 in.) |
Wire Diameter (d)
4.01
mm (Equiv. 0.158 in.) |
Max. Extension (L1)
353.820
mm |
|
||
|
Material: Steel
Spring Rate: 1.962 N/mm
Initial Tension (IT): 25.8 N
Load at L1: 392.040 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-4445-1651-40-M
Extension Springs - 44.45x165.1x4.01 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
$87.86 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
165.1
mm (Equiv. 6.5 in.) |
Wire Diameter (d)
4.50
mm (Equiv. 0.177 in.) |
Max. Extension (L1)
288.800
mm |
Spring Rate
3.450
N/mm |
Initial Tension (IT)
42.3
N |
|
|
Material: Steel
Load at L1: 469.330 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-4445-1651-45-M
Extension Springs - 44.45x165.1x4.5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
$105.59 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
165.1
mm (Equiv. 6.5 in.) |
Wire Diameter (d)
4.50
mm (Equiv. 0.177 in.) |
Max. Extension (L1)
288.800
mm |
|
||
|
Material: Steel
Spring Rate: 3.450 N/mm
Initial Tension (IT): 42.3 N
Load at L1: 469.330 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-4445-1651-45-M
Extension Springs - 44.45x165.1x4.5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
$105.59 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
203.2
mm (Equiv. 8 in.) |
Wire Diameter (d)
4.01
mm (Equiv. 0.158 in.) |
Max. Extension (L1)
481.840
mm |
Spring Rate
1.312
N/mm |
Initial Tension (IT)
25.8
N |
|
|
Material: Steel
Load at L1: 392.040 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-4445-2032-40-M
Extension Springs - 44.45x203.2x4.01 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
$106.59 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
203.2
mm (Equiv. 8 in.) |
Wire Diameter (d)
4.01
mm (Equiv. 0.158 in.) |
Max. Extension (L1)
481.840
mm |
|
||
|
Material: Steel
Spring Rate: 1.312 N/mm
Initial Tension (IT): 25.8 N
Load at L1: 392.040 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-4445-2032-40-M
Extension Springs - 44.45x203.2x4.01 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
$106.59 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
165.1
mm (Equiv. 6.5 in.) |
Wire Diameter (d)
5.00
mm (Equiv. 0.197 in.) |
Max. Extension (L1)
249.680
mm |
Spring Rate
5.939
N/mm |
Initial Tension (IT)
64.9
N |
|
|
Material: Steel
Load at L1: 564.040 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-4445-1651-50-M
Extension Springs - 44.45x165.1x5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
$125.23 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
165.1
mm (Equiv. 6.5 in.) |
Wire Diameter (d)
5.00
mm (Equiv. 0.197 in.) |
Max. Extension (L1)
249.680
mm |
|
||
|
Material: Steel
Spring Rate: 5.939 N/mm
Initial Tension (IT): 64.9 N
Load at L1: 564.040 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-4445-1651-50-M
Extension Springs - 44.45x165.1x5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
$125.23 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
203.2
mm (Equiv. 8 in.) |
Wire Diameter (d)
4.50
mm (Equiv. 0.177 in.) |
Max. Extension (L1)
383.790
mm |
Spring Rate
2.360
N/mm |
Initial Tension (IT)
42.3
N |
|
|
Material: Steel
Load at L1: 469.330 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-4445-2032-45-M
Extension Springs - 44.45x203.2x4.5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
$126.59 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
203.2
mm (Equiv. 8 in.) |
Wire Diameter (d)
4.50
mm (Equiv. 0.177 in.) |
Max. Extension (L1)
383.790
mm |
|
||
|
Material: Steel
Spring Rate: 2.360 N/mm
Initial Tension (IT): 42.3 N
Load at L1: 469.330 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-4445-2032-45-M
Extension Springs - 44.45x203.2x4.5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
$126.59 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
177.8
mm (Equiv. 7 in.) |
Wire Diameter (d)
4.01
mm (Equiv. 0.158 in.) |
Max. Extension (L1)
396.490
mm |
Spring Rate
1.648
N/mm |
Initial Tension (IT)
25.8
N |
|
|
Material: Steel
Load at L1: 392.040 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-4445-1778-40-M
Extension Springs - 44.45x177.8x4.01 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
$93.05 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
177.8
mm (Equiv. 7 in.) |
Wire Diameter (d)
4.01
mm (Equiv. 0.158 in.) |
Max. Extension (L1)
396.490
mm |
|
||
|
Material: Steel
Spring Rate: 1.648 N/mm
Initial Tension (IT): 25.8 N
Load at L1: 392.040 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-4445-1778-40-M
Extension Springs - 44.45x177.8x4.01 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
$93.05 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
177.8
mm (Equiv. 7 in.) |
Wire Diameter (d)
5.00
mm (Equiv. 0.197 in.) |
Max. Extension (L1)
274.830
mm |
Spring Rate
5.168
N/mm |
Initial Tension (IT)
64.9
N |
|
|
Material: Steel
Load at L1: 564.040 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-4445-1778-50-M
Extension Springs - 44.45x177.8x5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
$134.50 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
177.8
mm (Equiv. 7 in.) |
Wire Diameter (d)
5.00
mm (Equiv. 0.197 in.) |
Max. Extension (L1)
274.830
mm |
|
||
|
Material: Steel
Spring Rate: 5.168 N/mm
Initial Tension (IT): 64.9 N
Load at L1: 564.040 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-4445-1778-50-M
Extension Springs - 44.45x177.8x5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
$134.50 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
228.6
mm (Equiv. 9 in.) |
Wire Diameter (d)
5.00
mm (Equiv. 0.197 in.) |
Max. Extension (L1)
376.170
mm |
Spring Rate
3.366
N/mm |
Initial Tension (IT)
64.9
N |
|
|
Material: Steel
Load at L1: 564.040 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-4445-2286-50-M
Extension Springs - 44.45x228.6x5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
$156.50 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
228.6
mm (Equiv. 9 in.) |
Wire Diameter (d)
5.00
mm (Equiv. 0.197 in.) |
Max. Extension (L1)
376.170
mm |
|
||
|
Material: Steel
Spring Rate: 3.366 N/mm
Initial Tension (IT): 64.9 N
Load at L1: 564.040 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-4445-2286-50-M
Extension Springs - 44.45x228.6x5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
$156.50 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
190.5
mm (Equiv. 7.5 in.) |
Wire Diameter (d)
4.01
mm (Equiv. 0.158 in.) |
Max. Extension (L1)
439.170
mm |
Spring Rate
1.488
N/mm |
Initial Tension (IT)
25.8
N |
|
|
Material: Steel
Load at L1: 392.040 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-4445-1905-40-M
Extension Springs - 44.45x190.5x4.01 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
$98.86 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
190.5
mm (Equiv. 7.5 in.) |
Wire Diameter (d)
4.01
mm (Equiv. 0.158 in.) |
Max. Extension (L1)
439.170
mm |
|
||
|
Material: Steel
Spring Rate: 1.488 N/mm
Initial Tension (IT): 25.8 N
Load at L1: 392.040 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-4445-1905-40-M
Extension Springs - 44.45x190.5x4.01 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
$98.86 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
203.2
mm (Equiv. 8 in.) |
Wire Diameter (d)
5.00
mm (Equiv. 0.197 in.) |
Max. Extension (L1)
325.630
mm |
Spring Rate
4.081
N/mm |
Initial Tension (IT)
64.9
N |
|
|
Material: Steel
Load at L1: 564.040 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-4445-2032-50-M
Extension Springs - 44.45x203.2x5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
$148.05 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
203.2
mm (Equiv. 8 in.) |
Wire Diameter (d)
5.00
mm (Equiv. 0.197 in.) |
Max. Extension (L1)
325.630
mm |
|
||
|
Material: Steel
Spring Rate: 4.081 N/mm
Initial Tension (IT): 64.9 N
Load at L1: 564.040 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-4445-2032-50-M
Extension Springs - 44.45x203.2x5 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
$148.05 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
228.6
mm (Equiv. 9 in.) |
Wire Diameter (d)
4.01
mm (Equiv. 0.158 in.) |
Max. Extension (L1)
567.180
mm |
Spring Rate
0.840
N/mm |
Initial Tension (IT)
25.8
N |
|
|
Material: Steel
Load at L1: 392.040 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-4445-2286-40-M
Extension Springs - 44.45x228.6x4.01 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
$117.05 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
OD (D0)
44.45
mm (Equiv. 1.75 in.) |
Overall Length (L0)
228.6
mm (Equiv. 9 in.) |
Wire Diameter (d)
4.01
mm (Equiv. 0.158 in.) |
Max. Extension (L1)
567.180
mm |
|
||
|
Material: Steel
Spring Rate: 0.840 N/mm
Initial Tension (IT): 25.8 N
Load at L1: 392.040 N
Category: Springs - Extension - Music Wire |
||||||
|
Part Number: ES-4445-2286-40-M
Extension Springs - 44.45x228.6x4.01 mm Music Wire - Steel Spring Out of Stock | Backorder Now | Orders can be expected around Mon, Dec 29, 2025 Regular price
$117.05 AUD
Regular price
Unit price
per
Each
Excludes GST and overseas Taxes & Duties |
||||||
|
||||||
