Automotive Glass Diamond Drill Bit with Countersink One-piece Design Chamfer Drill
Type: Chamfer Drills: One-piece Design<br> Special diamond drill bit for automotive glass<br> Shank: Straight, taper and thread shank<br> Application: Drlling and charmfering auto glass, car glass Fetures: Glass diamond drill bit with countersink, one-piece design; <br> High drilling speed and extremely high drilling accuracy;<br> Effectively improve drilling burrs, chipping, splinters, and other problems;<br>