-40%
5Pcs HSS Center Drill Bit Set 60 Degree Countersink Drill 1# 1.5# 2.5# 3.15# 5#
$ 9.48
- Description
- Size Guide
Description
Features:Accurate positioning, Finer surface finishing, no roughness cylindrical margin
Adopting high quality HSS6542 material excellent hardness,excellent wear resistance, not easy to breakage
Sharp cutting edge,faster rate
widely used molding steel,iron,copper, aluminum,etc
Specifications:
Material :HSS6542
Helix angle: 60 Helix
Hardness: HRC65
Working hardness :HRB200-300 degree
model
Overall length
Shank diameter
1#
35.5mm
4mm
1.5#
35mm
4mm
2.5#
44.7mm
6mm
3.15#
50mm
8mm
5#
60mm
12mm
Package Included:
5pcs Countersink Center drill bit