Irwin Speedbor 6-Piece Spade Bit Set Conduit and Fittings durable plastic feeders are designed

durable plastic feeders are designed exclusively for the hobbyist

Excellent for use on glass and wood

Black plastic Acme nut for easier identification

Contractor Size

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Irwin Speedbor 6-Piece Spade Bit Set Conduit and Fittings durable plastic feeders are designedBlue 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'.