Walter Surface Technologies Thunderbit® T2HD Black & Bronze Jobber Drill Bit, 2-7/8"" X 1-3/4"", High Speed Steel, #29, 135° (012629)

Thunderbit® T2HD Black & Bronze Jobber Drill BitUnique spiral flute design improves chip ejection and coolant flowHeavy-duty core for increased strength and reduced breakage135° self-centering split point to prevent walkingBlack and Gold surface treatment for added lubricity and higher drilling speedsJobber length for most general applications