Double cutting spurs scribe outside of the hole, reducing breakout Thicker cutting edge for longer drilling life BLUE GROOVE point and cutting edge for faster chip removal 10% Larger shank - added durability 1/4" QUICK CHANGE shank
Manufacturer: IRWIN | Diameter, mm: 8 | Working Length, mm: 360 | Overall length, mm: 400 | Shank / chuck type: HEX 1/4