11/16" x 7/16" Shank |Mag-Bit 728.1116| Timber Bits | 1 Piece application-track-rail-steel Hold Weight Concrete 4000 psi:

Hold Weight Concrete 4000 psi: 550 lbs

Use Zinc-plated self-drilling screws for light to heavy gauge metal to metal fastening applications such as attaching strapping or furring channel to steel joists

these 9" bits have a flat on one side of the shaft to accommodate the set screw on the Countershark

ANCLA DE TAQUETE DE UNA

Max RPM: 20

11/16" x 7/16" Shank |Mag-Bit 728.1116| Timber Bits | 1 Piece application-track-rail-steel Hold Weight Concrete 4000 psi:40" OAL, 36" Twist Length. 7 16" Hex Q. C. Shank MAG728 and MAG730 have Quick Change 7 16" hex shank to work with pneumatic and hydraulic drill motors. Bits accept Mag Bit Countershark, counter bore tools. 40" overall length with a 36" flute or 30" overall length with a 26" long flute. Double flute and double spur design for clean holes and quick chip removal. Back tapered to prevent binding in deep holes. Machined on a true center for less run out