Material: HSS 4241
Surface treatment: Titanium Coated
Specification: HSS 8, HSS 6.5, HSS 6, HSS 5, HSS 4, HSS 3

-Longer life and durability.
-Made use of HSS high speed steel material with titanium coated, drill bits body edge sharp, faster with less effort.
-Scope: Suitable for thin wood, wood, aluminum, plastic plates pull grooving.








