button bits drilling bits rock drilling tools mining bits coal tools rock bits
Details
Our factory specializes in manufacturing many kinds of drilling bits, includes chisel type bits, cross type bits, button bits, tapered drill rods and integral drill rods, extension rods, shank adapter rods, pneumatic drilling rods etc,. Mainly used for mining, coal cutting, tunneling, rock cutting in quarrying, transportation and irrigation projects. Welcome to visit our website to get more information.