China R32 Thread Tungsten Carbide Button Bits Rock ...
Thread Button bit s Button bit Made with high quality of best quality alloy steel bar and tungsten carbide, through heat treatment like Atlas. Material: Alloy steel bar and tungsten carbide bit: MOQ: No MOQ required for testing and trial order: Body Type: Normal type and retract type: Thread type: R22,R25,R28,R32,R38,T38,T45,T51,ST58,ST68,GT60 ...