Specifications The step drills with Sprial flute and Breake edge
Our step drills with sprial flute and Break Edge and Coated Tin . It is made of HSS(M2) and HSSCo(M35) material Break edge make the step drills to cut the chip . Make the worker safty . reduce the stength when you drill the hole .
Supplier Information
Xian Mager Machinery International Trade Co., Ltd.