Diablo SPEEDemon 1 In. x 12 In. Red Granite Carbide Rotary Hammer Drill Bit Chainsaw Accessories [Conical Spring] The fixed zinc-plated

[Conical Spring] The fixed zinc-plated square spring has a precise conical shape that grips in fewer turns and can dead end a single wire

Thickness: 3/4 in (19

Cushion grip built into the case

Ideal for indoor venting of electric clothes dryers where outside venting is impractical

Diablo SPEEDemon 1 In. x 12 In. Red Granite Carbide Rotary Hammer Drill Bit Chainsaw Accessories [Conical Spring] The fixed zinc-platedDiablo made carbide tip withstands impact & high heat applications for superior life versus standard masonry hammer drill bits Multi ground Grip Point Tip delivers stability & accuracy required for fast, precise holes Hi performance brazing & hardening process extends life of carbide tip & increases productivity Optimized flute design removes dust faster, keeping the carbide tip cooler for ultimate strength & durability Impact Strong increases shank