Irwin 1/4 x 12 Masonry Bit, Straight Shank

Irwin 1/4 x 12 Masonry Bit, Straight Shank

Irwin 1/4 x 12 Masonry Bit, Straight Shank

• 8" Twist Length
• 12" Overall Length
• 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

This Irwin 326007 Irwin Rotary Percussion Straight Shank Hammer Bits typically ships in 3-5 business days