Extension Springs Search our extension spring database

Extension Springs
Metric Range

Select a wire diameter below.
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Specifications & Materials

Music Wire to DIN 17223, Class C. No.1.1200 or BS 1408 CR3.

Stainless Steel Wire to DIN 17224, No.1.14310 or BS 2056 302S26.

Ends: German loops, random position

Note: All Springmasters Extension Springs are right hand coiled.

Tolerances: All dimensions and forces conform to DIN 2095 (Grade 2) or BS 1726 Class B.

Surface Finish:
Music Wire = Oiled
Stainless Steel = Self

Recommended Working Temps:
Music Wire = 120°C (max.)
Stainless Steel = 300°C (max.)

Product Order Line: 01527 521000

Springmasters accept payment by credit card.

Minimum order charge for UK & Rep. of Ireland customers: Orders are subject to a minimum charge of £15 plus carriage, packing & VAT. Minimum order per item £2.50.

Minimum order charge for Overseas customers: Orders are subject to a minimum order charge of £50 Pound Sterling ($100 US Dollars) on an ex-works basis.

image of Springmasters' box of assorted springs

Assorted and Mixed Metric Sizes

A selection of extension and extension and compression springs are available, in differing quantities and sizes, to purchase securely on-line. We also supply boxed imperial sized extension springs in mixed size boxes.

Diameter (mm) Parts Qty Springs Qty Music Wire £ Price Cart Icon
0.40 to 1.00 30 300 A53010 78.60 Buy Now
0.63 to 1.60 12 120 A53030 45.85 Buy Now
0.50 to 2.00 21 200 A53050 78.90 Buy Now
0.50 to 2.00
(Comp. & Ext. Springs)
42 200 A53060 81.54 Buy Now
Diameter (mm) Parts Qty Springs Qty Stainless Steel £ Price Cart Icon
0.40 to 1.00 30 300 A63010 117.52 Buy Now
0.63 to 1.60 12 120 A63030 55.91 Buy Now
0.50 to 2.00 21 200 A63050 117.52 Buy Now
0.50 to 2.00
(Comp. & Ext. Springs)
42 200 A63060 95.81 Buy Now