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 Protective coating on the steel

Protective coating on the steel tape reduces corrosion from non-contact moisture and humidity

Continuously variable temperature range

Non-slip open weave top mat helps protect the cabinet surface

as well as a padded grip and rotating handle for optimal hand placement and increased comfort

reliable operation

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 Protective coating on the steelUnique 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