Diablo 1/2" x 8" x 13" Rebar Demon SDS-Max 4-Cutter Carbide Head Hammer Drill Bit CPS Composite-Plastic Standoff Post Base No additional fasteners need to

No additional fasteners need to be purchased separately

500 per package

Does this screw require predrilling through steel framing

Why is it recommended to use the 1212T in pairs

Diablo 1/2" x 8" x 13" Rebar Demon SDS-Max 4-Cutter Carbide Head Hammer Drill Bit CPS Composite-Plastic Standoff Post Base No additional fasteners need toDiameter: 1 2" Length: 13" Shank: SDS Max Working Length: 8" Head Type: Full Carbide Head Number of Cutters: 4. 0 Tools: SDS Max Rotary Hammer Drill Materials: Reinforced Concrete; Concrete; Rebar; Brick Block Diablo's revolutionary, most complete range of SDS Plus and SDS Max Rebar Demon 4 cutter full carbide head hammer drill bits are the only bits designed to be the most durable, fastest and coolest solutions on the market. The Rebar Demon bits