Collection: Springs - Extension - Music Wire

Springs (With Images)

Extension

Music Wire
Stainless Steel

895 Products in this selection

Includes long lengths up to 1 metre
Zinc Plated Spring Steel not recommended for applications exceeding 121 ^oC (250 Deg F).
302 Stainless springs not recommended for applications exceeding 260 ^oC (500 Deg F).
302 stainless steel is slightly magnetic.

Additional resources:
Spings Catalogue PDF
Spring Anchors

OD (D0)	Overall Length (L0)	Wire Diameter (d)	Max. Extension (L1)	Spring Rate	Initial Tension (IT)
50.80 mm	177.8 mm	5.00 mm	323.340 mm	3.345 N/mm	57.3 N
Material: Steel Load at L1: 501.670 N End Type: Closed - Full Loop
Part Number: ES-5080-1778-50-M Extension Springs - 50.8 mm x 177.8 mm x 5 mm Out of Stock \| Backorder Now \| Orders can be expected around Sat, May 10, 2025 Regular price $318.59 AUD Regular price Sale price $318.59 AUD Unit price per Each
OD (D0)	Overall Length (L0)	Wire Diameter (d)	Max. Extension (L1)	Indicative Image
50.80 mm	177.8 mm	5.00 mm	323.340 mm
Material: Steel Spring Rate: 3.345 N/mm Initial Tension (IT): 57.3 N Load at L1: 501.670 N End Type: Closed - Full Loop
Part Number: ES-5080-1778-50-M Extension Springs - 50.8 mm x 177.8 mm x 5 mm Out of Stock \| Backorder Now \| Orders can be expected around Sat, May 10, 2025 Regular price $318.59 AUD Regular price Sale price $318.59 AUD Unit price per Each View the product page first if you are unsure.
ES-5080-1778-50-M --- Extension Springs - 50.8 mm x 177.8 mm x 5 mm Steel ES-5080-1778-50-M --- Extension Springs - 50.8 mm x 177.8 mm x 5 mm Steel Regular price $318.59 AUD Regular price Sale price $318.59 AUD Unit price per Out of stock! Backorder Now
50.80 mm	190.5 mm	4.50 mm	422.150 mm	1.716 N/mm	37.2 N
Material: Steel Load at L1: 413.460 N End Type: Closed - Full Loop
Part Number: ES-5080-1905-45-M Extension Springs - 50.8 mm x 190.5 mm x 4.5 mm Out of Stock \| Backorder Now \| Orders can be expected around Sat, May 10, 2025 Regular price $283.32 AUD Regular price Sale price $283.32 AUD Unit price per Each
50.80 mm	190.5 mm	4.50 mm	422.150 mm
Material: Steel Spring Rate: 1.716 N/mm Initial Tension (IT): 37.2 N Load at L1: 413.460 N End Type: Closed - Full Loop
Part Number: ES-5080-1905-45-M Extension Springs - 50.8 mm x 190.5 mm x 4.5 mm Out of Stock \| Backorder Now \| Orders can be expected around Sat, May 10, 2025 Regular price $283.32 AUD Regular price Sale price $283.32 AUD Unit price per Each View the product page first if you are unsure.
ES-5080-1905-45-M --- Extension Springs - 50.8 mm x 190.5 mm x 4.5 mm Steel ES-5080-1905-45-M --- Extension Springs - 50.8 mm x 190.5 mm x 4.5 mm Steel Regular price $283.32 AUD Regular price Sale price $283.32 AUD Unit price per Out of stock! Backorder Now
50.80 mm	190.5 mm	5.00 mm	353.310 mm	2.943 N/mm	57.3 N
Material: Steel Load at L1: 501.670 N End Type: Closed - Full Loop
Part Number: ES-5080-1905-50-M Extension Springs - 50.8 mm x 190.5 mm x 5 mm Out of Stock \| Backorder Now \| Orders can be expected around Sat, May 10, 2025 Regular price $328.23 AUD Regular price Sale price $328.23 AUD Unit price per Each
50.80 mm	190.5 mm	5.00 mm	353.310 mm
Material: Steel Spring Rate: 2.943 N/mm Initial Tension (IT): 57.3 N Load at L1: 501.670 N End Type: Closed - Full Loop
Part Number: ES-5080-1905-50-M Extension Springs - 50.8 mm x 190.5 mm x 5 mm Out of Stock \| Backorder Now \| Orders can be expected around Sat, May 10, 2025 Regular price $328.23 AUD Regular price Sale price $328.23 AUD Unit price per Each View the product page first if you are unsure.
ES-5080-1905-50-M --- Extension Springs - 50.8 mm x 190.5 mm x 5 mm Steel ES-5080-1905-50-M --- Extension Springs - 50.8 mm x 190.5 mm x 5 mm Steel Regular price $328.23 AUD Regular price Sale price $328.23 AUD Unit price per Out of stock! Backorder Now
50.80 mm	203.2 mm	4.50 mm	499.620 mm	1.384 N/mm	37.2 N
Material: Steel Load at L1: 413.460 N End Type: Closed - Full Loop
Part Number: ES-5080-2032-45-M Extension Springs - 50.8 mm x 203.2 mm x 4.5 mm Out of Stock \| Backorder Now \| Orders can be expected around Sat, May 10, 2025 Regular price $301.86 AUD Regular price Sale price $301.86 AUD Unit price per Each
50.80 mm	203.2 mm	4.50 mm	499.620 mm
Material: Steel Spring Rate: 1.384 N/mm Initial Tension (IT): 37.2 N Load at L1: 413.460 N End Type: Closed - Full Loop
Part Number: ES-5080-2032-45-M Extension Springs - 50.8 mm x 203.2 mm x 4.5 mm Out of Stock \| Backorder Now \| Orders can be expected around Sat, May 10, 2025 Regular price $301.86 AUD Regular price Sale price $301.86 AUD Unit price per Each View the product page first if you are unsure.
ES-5080-2032-45-M --- Extension Springs - 50.8 mm x 203.2 mm x 4.5 mm Steel ES-5080-2032-45-M --- Extension Springs - 50.8 mm x 203.2 mm x 4.5 mm Steel Regular price $301.86 AUD Regular price Sale price $301.86 AUD Unit price per Out of stock! Backorder Now
50.80 mm	203.2 mm	5.00 mm	413.770 mm	2.365 N/mm	57.3 N
Material: Steel Load at L1: 501.670 N End Type: Closed - Full Loop
Part Number: ES-5080-2032-50-M Extension Springs - 50.8 mm x 203.2 mm x 5 mm Out of Stock \| Backorder Now \| Orders can be expected around Sat, May 10, 2025 Regular price $340.50 AUD Regular price Sale price $340.50 AUD Unit price per Each
50.80 mm	203.2 mm	5.00 mm	413.770 mm
Material: Steel Spring Rate: 2.365 N/mm Initial Tension (IT): 57.3 N Load at L1: 501.670 N End Type: Closed - Full Loop
Part Number: ES-5080-2032-50-M Extension Springs - 50.8 mm x 203.2 mm x 5 mm Out of Stock \| Backorder Now \| Orders can be expected around Sat, May 10, 2025 Regular price $340.50 AUD Regular price Sale price $340.50 AUD Unit price per Each View the product page first if you are unsure.
ES-5080-2032-50-M --- Extension Springs - 50.8 mm x 203.2 mm x 5 mm Steel ES-5080-2032-50-M --- Extension Springs - 50.8 mm x 203.2 mm x 5 mm Steel Regular price $340.50 AUD Regular price Sale price $340.50 AUD Unit price per Out of stock! Backorder Now
50.80 mm	228.6 mm	4.50 mm	577.340 mm	1.156 N/mm	37.2 N
Material: Steel Load at L1: 413.460 N End Type: Closed - Full Loop
Part Number: ES-5080-2286-45-M Extension Springs - 50.8 mm x 228.6 mm x 4.5 mm Out of Stock \| Backorder Now \| Orders can be expected around Sat, May 10, 2025 Regular price $320.77 AUD Regular price Sale price $320.77 AUD Unit price per Each
50.80 mm	228.6 mm	4.50 mm	577.340 mm
Material: Steel Spring Rate: 1.156 N/mm Initial Tension (IT): 37.2 N Load at L1: 413.460 N End Type: Closed - Full Loop
Part Number: ES-5080-2286-45-M Extension Springs - 50.8 mm x 228.6 mm x 4.5 mm Out of Stock \| Backorder Now \| Orders can be expected around Sat, May 10, 2025 Regular price $320.77 AUD Regular price Sale price $320.77 AUD Unit price per Each View the product page first if you are unsure.
ES-5080-2286-45-M --- Extension Springs - 50.8 mm x 228.6 mm x 4.5 mm Steel ES-5080-2286-45-M --- Extension Springs - 50.8 mm x 228.6 mm x 4.5 mm Steel Regular price $320.77 AUD Regular price Sale price $320.77 AUD Unit price per Out of stock! Backorder Now
50.80 mm	228.6 mm	5.00 mm	473.960 mm	1.980 N/mm	57.3 N
Material: Steel Load at L1: 501.670 N End Type: Closed - Full Loop
Part Number: ES-5080-2286-50-M Extension Springs - 50.8 mm x 228.6 mm x 5 mm Out of Stock \| Backorder Now \| Orders can be expected around Sat, May 10, 2025 Regular price $361.50 AUD Regular price Sale price $361.50 AUD Unit price per Each
50.80 mm	228.6 mm	5.00 mm	473.960 mm
Material: Steel Spring Rate: 1.980 N/mm Initial Tension (IT): 57.3 N Load at L1: 501.670 N End Type: Closed - Full Loop
Part Number: ES-5080-2286-50-M Extension Springs - 50.8 mm x 228.6 mm x 5 mm Out of Stock \| Backorder Now \| Orders can be expected around Sat, May 10, 2025 Regular price $361.50 AUD Regular price Sale price $361.50 AUD Unit price per Each View the product page first if you are unsure.
ES-5080-2286-50-M --- Extension Springs - 50.8 mm x 228.6 mm x 5 mm Steel ES-5080-2286-50-M --- Extension Springs - 50.8 mm x 228.6 mm x 5 mm Steel Regular price $361.50 AUD Regular price Sale price $361.50 AUD Unit price per Out of stock! Backorder Now