Walter Surface Technologies Triumph® ThunderBit® Heavy-Duty BP1HD Jobber Drill Bit, 1/16"" X 0.0625"" X 1-7/8"" X 7/8"", High Speed Steel (014004)

Triumph® ThunderBit® Heavy-Duty BP1HD Jobber Drill BitUnique spiral flute design improves chip ejection and coolant flow to the pointThe heavy-duty core guarantees increased strength and reduced breakage135° self-centering split point prevents “walking"" and provides quick penetrationFriction-reducting black & bronze oxide surface treatments for higher drilling speeds