Industrial M42 grade steel with 8% Cobalt for drilling in stainless steel, Abrasive metals, and other hard to drill alloys. Pilot Point, 135 deg (Degree) split point design penetrates immediately and prevents walking. Parabolic flute design for improved heat dissipation and increased life. No spin shank eliminates bit slippage. Jobbers length. Sizes 7/16" And 1/2" Have a 3/8" Reduced shank. This product is manufactured in china. This product meets customer requirement.
Designed for maximum speed and life
Pilot point and split tip design
No bit walking - more user control
Intended to be used on hard metals