1-1/16" x 7/16" Shank |Mag-Bit 710.1716| Single Spur Auger Bits | 2 Piece length-3-1-2 With metal safety back

With metal safety back

Ultra Flo Kwik Fit panels quickly snap into place with no fasteners required

For fastening drywall (gypsum board) to wood studs

Metal to wood screw with self-sealing neoprene washer for water-proof applications such as roofing

A good multi-purpose screw

1-1/16" x 7/16" Shank |Mag-Bit 710.1716| Single Spur Auger Bits | 2 Piece length-3-1-2 With metal safety back18" OAL x 12" Twist Length Black oxide flutes Quick Change shank Self feeding screw point Spur for clean boring Packed in a reusable storage tube Quick Change and Universal extensions Single spur opposite cutting lip for clean entrance and exit holes and a self feed screw point for fast, effortless boring.