DIN6343 Clamping Collets

1.Adopt high strength special material ,after quenching, through cryogenic treatment, the product performance is stable,wear-resisting and durable
2.After the work hole has been shaped by the hole expansion,the elastic range increases, and it is convenient to clip and unload materials
3.This unit is applicable to all sorts of automatic lathes,turrel lathes.
4.Hardness:clamping part HRC55-60
elastic part HRC40-45