Walter Surface Technologies Thunderbit® T2HD Black & Bronze Jobber Drill Bit, 2-1/2"" X 1-7/16"", High Speed Steel, #38, 135° (012638)

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