Triumph® ThunderBit® Heavy-Duty BP1HD Jobber Drill Bit, High Speed Steel, 7/16", 5-1/2" L, 4-1/16" Flute, 135° Point Angle Demolition & Rotary Hammers Parts & Accessories allowing high clamping pressure with

allowing high clamping pressure with less effort

13 CFM (Stage 2)

Foam Rail ™ crossbars were designed to work with all ZipWall® spring loaded poles

our sharp premium silicon carbide abrasive

Triumph® ThunderBit® Heavy-Duty BP1HD Jobber Drill Bit, High Speed Steel, 7/16", 5-1/2" L, 4-1/16" Flute, 135° Point Angle Demolition & Rotary Hammers Parts & Accessories allowing high clamping pressure withUnique spiral flute design improves chip ejection and coolant flow to the point The heavy duty core guarantees increased strength and reduced breakage 135 self centering split point prevents walking" and provides quick penetration Friction reducting black & bronze oxide surface treatments for higher drilling speeds Specifications Material High Speed Steel Drill Size 7 16" Decimal Drill Size 0. 4375" Overall Length 5 1 2" Flute Length 4 1 16" Point