3pcs Single Flute 90 Degree Edge Chamfer Set Countersink Drill Bit

Description 3pcs Single Flute 90 Degree Edge Chamfer 3 8 1 2 3 4 Inch Countersink Drill BitSpecification Material High Carbon Steel suitable for low hardness of the workpiece such as wood Surface Treatment Titanium CoatedType single Flute 90 DegreeColor GoldenWeight 80GQuantity 3pcs Scope Mechanical workpiece Aviation War industry Electric valve Cylinder sphere hole ect Features ChamferShank DiameterHead diameterSuitable Hole SIze3 86 35mm9 53mm2 5mm1 26 35mm12 7mm5 9mm3 46 35mm19mm8 13mmPackage included 1x 3 8 Drill Bit1x 1 2 Drill Bit1x 3 4 Drill Bit