Step Drill Bit Hole Opener Sturdy 20/35/55mm Beveling Chamfer Bit for Granite Marble Trimming Countersinking Chamfering

High-concerned chemical : None Origin : Mainland China Certification : CE Model Number : Diamond Step Drill Bit DIY Supplies : Woodworking Material : Diamond Type : Center Drill Bit Use : Masonry Drilling MainKey1 : Tile Beveling Chamfer Bit MainKey2 : Diamond Beveling Chamfer Bit Tile Hole Opener MainKey3 : Step Chamfer Drill Bit Multi Layer Tapered Reamer MainKey4 : Pagoda Beveling Chamfer Milling Bit Ceramic MainKey5 : Tile Marble Granite Existing Holes Beveling Cone MainKey6 : Chamfering Countersinking Enlarging Trimming