Diablo SPEEDemon 5/8 In. x 12 In. Red Granite Carbide Rotary Hammer Drill Bit Furnace Duct No ignition source is required

No ignition source is required for these wastes to start on fire by themselves

The proprietary design addresses the most frequently cited user frustration – when blades accidentally pull out of the handle during use

Our trade names include Ultra/Pro

Hex shank masonry bit for Rapid Load system

Diablo SPEEDemon 5/8 In. x 12 In. Red Granite Carbide Rotary Hammer Drill Bit Furnace Duct No ignition source is requiredDiablo 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