IRWIN 88710 Speedbor 5/8 in. x 16 in. Extra-Long Blue Groove Point Spade Bit is made from Irwin’s own special grade tool steel, heat-treated for extra strength, with micro-groove point and cutting edges with extended spurs for faster, cleaner boring action.

Features

• Blue-Groove point and cutting edge for faster chip removal – 4x faster than standard spade bits
• Double cutting spurs scribe the outside of the hole reducing breakout
• 10% larger shank for added durability
• 3-Flatted style shank
• Not for use with bit extensions

Specifications

Model No. 88710 Diameter 5/8″ Shank Length 16″ Shank Size 1/4″