This High Speed Steel Heavy-Duty Jobber Length Drill features drills with right-hand direction of cut and was designed for drilling metal， wood and plastic. The drills were precision ground to tight tolerances with geometries that include a 135-degree split point to eliminate walking of the drills on the work-pieces and 3 flats on the shanks of drills above 11 in./64 in. for tighter chucking. This premium high speed steel drill set also has nitride black and gold treatment for increased hardness and tool longevity.
- Superior rigidity in hand or machine drilling
- Made of industrial-grade cobalt steel designed for tough and work hardened materials like stainless， armor and INCONEL
- Cobalt steel is a refractory material that resists heat and allowing the tool to run cooler and last longer
- 135-degree split point eliminates walking and drills on contact along with requiring less force to push it also drills faster than a conventional pointed drill
- Straw finish adds lubricity and identifies cobalt
- Precision ground to tight tolerances
- Heavy-duty construction for extreme operating conditions
WARNING: This product can expose you to chemicals including arsenic， which is known to the State of California to cause cancer. For more information， go to www.P65Warnings.ca.gov
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