List No. 1330 - Black Oxide Treated
List No. 1330B - Bright Finish
High Speed Steel
118° Point
Designed for the drilling of a wide variety of materials,
these drills will perform well under many different operating
conditions.
Black Oxide Treated - Surface Treatment provides
resistance to abrasion, reduces galling and chip welding
and increases ability of the drill to retain lubricants.
Bright Finish - Bright Finish with polished flutes
enhances chip ejection especially with aluminum and other
nonferrous materials.
