Irwin® 5/16" x 4-1/2" Straight Shank Rotary Percussion Drill Bit
Irwin® 5/16" x 4-1/2" Straight Shank Rotary Percussion Drill Bit
334-304
7.64
/ Each
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/Product/334-304
- Bit Dia.: 5/16"
- Brand: Irwin®
- Material: Carbide
- Monthly Special Flag: No
- Overall Length: 4-1/2"
- Part No.: 326008
- Proposition 65: Yes
- Shank Diameter: 1/4"
- Style: Straight
- System of Measurement: Inch
- Type: Hammer Drill Bit
• Designed for quick drilling in masonry, rock, concrete, brick and artificial stone
• For use in all drills with a standard chuck. Irwin® Rotary Percussion — Straight Shank
• Fits all hammer drills with 3-jaw or Jacobs chuck
• Chrome vanadium shaft through-hardened to 50-53HrC
• Patented flute geometry removes dust from the hole quicker for fast drilling and long life
• Up to 150% faster than other competitive bits
• Shot-peened, double-tempered finish reduces breakage
• Hot isostatically pressed to extend life and resist breakage
• Copper braze material gives high heat resistance for reduced tip loss
• All tips made to ANSI specifications
• For use in all drills with a standard chuck. Irwin® Rotary Percussion — Straight Shank
• Fits all hammer drills with 3-jaw or Jacobs chuck
• Chrome vanadium shaft through-hardened to 50-53HrC
• Patented flute geometry removes dust from the hole quicker for fast drilling and long life
• Up to 150% faster than other competitive bits
• Shot-peened, double-tempered finish reduces breakage
• Hot isostatically pressed to extend life and resist breakage
• Copper braze material gives high heat resistance for reduced tip loss
• All tips made to ANSI specifications