Cone Shank Diamond Drill Bit

Diameter5-100mmBody 45# steel,stainless steel,copper Diamond High grade diamondApplication Glass,quartz Ceramic tile StoneMachine electric drilling machine,Bench drilling machine,Manual drilling machine RPM1000-6000Note:Add water when working Diamond drill bit Cone shank L=Total length =60-65mmC=30-35mmH=diamond work layer=10mmD=outer diameter=5-100mmd=Inner diameterShank=450Wall thickness=1-1.2mmATTENTION: 1.After installation, adjust & observe whether it is beating, then normal operation 2.Smooth drilling,don't apply lateral pressure and curve spud 3.Must add enough water for cooling and lu
Cone Shank Diamond Drill Bit