Wire size

0.1mm-120mm  upwards.

Material

Spring steel, stainless steel, silicon-chrome, high carbon, beryllium-copper, inconnel, galvanised wire, mild steel, phosphor bronze, brass.

Ends

There is a large variety of end types that can be put on a tension spring including: machine loops; extended loops; double loops; tapers; threaded inserts; hooks or eyes at various positions; extended hooks.

 Finishes

Zinc/colour passivates, black zinc nickel, electroless nickel, black oxidise, copper plating, tin, chrome acid passivate, colour dyeing, silver, HDG.