Features:1) Carton steel spring / all kinds of steel spiral spring

2) Suitable for being used in all kinds of appliances: starter, balancer, clock, seat belt , vacuum cleaner

3) Specifications : (0.2-2.0mm)x(5-50mm)

material : 65mn, 60si2mn

colors : black , blue , yellow.

Packing:Safe and seaworthing packing: packed with steel wire (or packing strip) Oiled, then packed with plastic paper (or oil paper), outside by Hessian,then in iron pallets or wood pallets . of course we can packed according customer 's detail requests

Top carbon steel spring