90 Degree angle on the point for sharp and precise countersinking, used for workpiece circular aperture chamfering or cone hole
This bits should use the bench drill , it is easy to shake and it will affect the chamfering effect if you use the hand drill
Feature: Material: HSS(4241),Titanium Coated Color:Gold Shank type: round handle Used for workpiece circular aperture chamfering or cone hole, the edges on the surface of the chamfering processing Ideal for cutting through metal, wood and plastic (hardness <25 degrees)
Size(Inclined hole chamfer size x length): 2-5mm(2-5 mm x 45 mm) 5-10mm(5-10 mm x 47 mm) 10-15mm(10-15 mm x 62 mm) 15-20mm(15mm-20 mm x 82 mm)
Package include: 4 x Countersink and Deburring Tools