Jobber Length Cobalt Drill Bit
Type 150, Heavy Duty
These are heavy-duty, 135° split-point bits with gold finish for drilling hard, tough metals and free-machining stainless steel, high temperature alloys, titanium, and certain plastics.
High red hardness of cobalt steel permits speeds 30% higher
than regular high-speed steel drills.
M42 Cobalt - NAS 907-J
Made in USA
Note: Cobalt drills require rigidly held positive-feed drilling equipment.
Mfg No. 08140
Diameter 17/64"
Overall Length 4-1/8"
Sold individually