1-1/16" x 7/16" Shank |Mag-Bit 710.1716| Single Spur Auger Bits | 2 Piece length-3-1-2 Hold Weight Concrete 4000 psi:

Hold Weight Concrete 4000 psi: 440 lbs

For fastening drywall (gypsum board) to wood studs

Tension (lb): 650

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

performance and safety that today’s technology can provide using only the finest quality grain

1-1/16" x 7/16" Shank |Mag-Bit 710.1716| Single Spur Auger Bits | 2 Piece length-3-1-2 Hold Weight Concrete 4000 psi:18" 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.