Down-the-hole drill bit

with buttonsfor rockcarbide

Retract thread drill bit Thread Drill Bits includes regular, retrac and reaming types. With stronger button-fixing ability, longer service life, better wear-resistance and impact-resistance performance, they are widely used in tunneling, underground mining, open pit mining, anchoring and other large-scale construction projects. Specifications of Tungsten carbide thread drill bit: Product Name:Cross drilling tool Description:Drill bit body is made of high quality steel imports; the head is made of special alloy through special welding processing, drill bit is widely used in all kinds of mining engineering and rock engineering. Thread:R25,R281R32,R35,R38,T38,T45,T51,ST58,ST60,GT60 Use performance:applicable with larger impact energy hammer drill conditions, drilling fissured rock and abrasion resistance of the rock, resistance to radial abrasion ability. Diameter:32mm-152mm. Use:mining and drilling Face design:Flat face, Drop center, Concave face, Convex face Color: According to the customer request