Irwin Turbomax High Speed Steel Straight Shank Jobber Length Drill Bits 3/8" Category_Indoor Lighting Using FireBreak in these penetrations

Using FireBreak in these penetrations blocks air infiltration

2011 nec compliant

Single lever

Par16 Shape

Irwin Turbomax High Speed Steel Straight Shank Jobber Length Drill Bits 3/8" Category_Indoor Lighting Using FireBreak in these penetrationsTurbomax High Speed Steel Straight Shank Jobber Length Drill Bits Features: High performance metal drilling for portable drill users, works well on curved surfaces Revolutionary tip design stays sharper longer and drills up to 10x faster than other leading drill bits High speed steel features a black body and gold flute Self centering TURBOMAX tip for clean entry and fast starts; stays sharp longer Three flatted shank on 3 16" and above for better