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Irwin® 31520 305 Fractional Mechanics Length Drill Bit, 5/16 in Drill - Fraction, 0.3125 in Drill - Decimal Inch, Cobalt 8/M42 HSS, Oxide Treated
Irwin® 31520 305 Fractional Mechanics Length Drill Bit, 5/16 in Drill - Fraction, 0.3125 in Drill - Decimal Inch, Cobalt 8/M42 HSS, Oxide Treated
Irwin® 31520 305 Fractional Mechanics Length Drill Bit, 5/16 in Drill - Fraction, 0.3125 in Drill - Decimal Inch, Cobalt 8/M42 HSS, Oxide Treated
- Brand: Irwin®
- Mfr# : 31520
- Item # : IRW 31520
- UPC #: 024721315205
- Min. Order Qty: :
- Qty. Interval: :
Catalog
FEATURES
- Constructed of M-42 8 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 deg split point reduces feed pressure for easier penetration without work hardening
- Best for portable drills
- Requires less force than 118 deg
- Drill into fasteners without tightening them
- Can often remove broken fasteners without an extractor
- Ideal for use with screw extractors
- Non-coolant through
- Tapered web configuration
- Web thinned
DESCRIPTION
Irwin® Mechanics Length Drill Bit, Fractional, Series: 305, 5/16 in Drill - Fraction, 0.3125 in Drill - Decimal Inch, 3-3/4 in Overall Length, 2 Flutes, Spiral Flute, 2-1/8 in Flute Length, Cylindrical Shank, 135 deg Point, Split/Self-Centering Point, Left Hand Cutting Direction, M42 HSS-Co 8 Cutting Edge, Cobalt 8/M42 HSS, Oxide Treated, Applicable Materials: Sheet Metal/Mild Steel/High Alloy Steel/Stainless Steel/Cast Iron
SPECIFICATIONS
| Type | : Fractional |
| Series | : 305 |
| Drill Size - Fraction | : 5/16 in |
| Drill Size - Decimal Inch | : 0.3125 in |
| Overall Length | : 3-3/4 in |
| Number of Flutes | : 2 |
| Flute Type | : Spiral |
| Flute Length | : 2-1/8 in |
| Shank Type | : Cylindrical |
| Point Angle | : 135 deg |
| Point Type | : Split/Self-Centering |
| Cutting Direction | : Left Hand |
| Cutting Edge Material | : M42 HSS-Co 8 |
| Material | : Cobalt 8/M42 HSS |
| Finish | : Oxide Treated |
| Applicable Materials | : Sheet Metal/Mild Steel/High Alloy Steel/Stainless Steel/Cast Iron |