Ceramic Drilling Bits/Teeth for Roadheader - NEW  TECHNOLOGY!

SUPER ANTTI-WEARING

Much Longer Lifetime than International Big Brands

●Metallurgical bonding Ultra-coarse Grained WC

●Selected Material wtih Forging & DCT Process

●Latest Military Grade Anti-wearing Tech

●3D Printing Tech

●Anti-wearing's Hardness >HRC90

●High Temperature Resistance without Sparks

●Rotating Freely

●Solutions for Hardrock

●1 is equal to at least 2 normal bits