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Cobalt high speed steel fractional straight shank
- 5/16 in. drill bit
- Constructed of M-35, 5 percent cobalt high speed steel for super abrasive resistance in tough metals
- Heavy duty spiral flute design produces faster chip ejection
- Shorter cutting lips reduce torque for drilling in high tensile strength materials
- 135-degree split point reduces feed pressure for easier penetration without work hardening
BIT DRIL 5/16COBALT BULK
- Brand Name: Irwin
- Drill Size: 5/16 in.
- Overall Length: 4-1/2 in.
- Material: Cobalt Steel
- Product Type: Drill Bit
- Number in Package: 5 pc.
- Flute Length: 3-3/16 in.
- Shank Type: Straight Shank
- Packaging Type: Bulk
- Click here to see the Safety Data Sheets for this product