Do it Best 5/16 x 6-1/4 Inch Spade Bit

Double cutting spurs for easy hole formation. Heat-treated shaft resists bending under heavy loads. Great for use on cordless drills.

• 1/4 In. quick change hex shank.

Do it Spade Bit Double cutting spurs for easy hole formation. Heat-treated shaft resists bending under heavy loads. Great for use on cordless drills. 1/4 In. quick change hex shank.

Double cutting spurs for easy hole formation. Heat-treated shaft resists bending under heavy loads. Great for use on cordless drills.

• 1/4 In. quick change hex shank.

Irwin Speedbor 6-Piece Spade Bit Set. Blue-Groove point and cutting edge for faster chip removal. Double cutting spurs scribe the outside of the hole reducing breakout. 10% larger shank for added durability. Grooved hex shank prevents slipping in drill chuck or bit extension. Bit identification is simple with easy-to-read size markings. Standard length. Includes sizes: 3/8", 1/2", 5/8", 3/4", 7/8", and 1".