Single-edged gun drill

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Single-edged gun drill is the common and widely used type of gun drill. The drill bit is divided into integral sintered carbide drill bit and carbide inserts-piece steel drill. Drill stem and drill stock are heat treated. Drill bits, drill stems and drill stocks are welded as a whole.

陕西金石机械制造有限公司

西安市雁塔区鱼化光电科技产业园 Tel: 86-29-84687031 Fax: 86-29-86265352 Mobile: 18829551964 Country: China (Mainland)