Irwin 88886 Spade Bit Set, Standard, 6-Piece, HSS

Grooved hex shank prevents slipping in drill chuck or bit extension, fits all standard quick change chucks. Includes one of each 3/8 in, 1/2 in, 5/8 in, 3/4 in, 7/8 in and 1 in. All are 6 in long standard length drill bits.

• Chamfered Cutting Edges for increased durability and longer life
• Optimized Point Tip to help minimize splintering and control speed
• Reinforced Shank for fast speeds and aggressive cut
• Patented Blue-GrooveTM design for fast chip removal
• Impact Accessible for use with Impact Drivers

• Catalog https://assets.unilogcorp.com/187/ITEM/DOC/IRWIN_100004538_Catalog.pdf