Irwin Speedbor 6-Piece Spade Bit Set Sanding self tapping screws are specially

self tapping screws are specially designed for pocket hole joinery

reinforced palm and thumb with welted seams

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Quick secure adjustments to length eliminate cumbersome shaft adustments required by manual solutions

fiberglass

Irwin Speedbor 6-Piece Spade Bit Set Sanding self tapping screws are speciallyBlue 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'.