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13/64″ x 3-5/8″ Cobalt HSS-J/L Drill Bit
Features and Benefits:
- Constructed of M-42 8% cobalthigh speed steel for super abrasive resistance in tough metals
- Heavy duty spiral flute design produces faster chip ejection
- Shorter cutting lips reduce torque when drilling in high tensile strength materials
- 135 degree split point begins drilling immediately, minimizing bit walk









