Product Name: | tungsten carbide drill bits | Description: | tungsten carbide drill bits 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 | MOQ: | No MOQ required for testing and trial order | Body Type | Normal type and retract type | Tapered type | 6degree,7degree,11degree,12degree | Thread type | R22,R25,R28,R32,R38,T38,T45,T51,ST58,ST68,GT60 | Diameter | 32mm-152mm | Button bit shape | Spherical and Ballistic | Face shape | Flat shape and Drop-center shape |
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