Thunderbit® T2HD Black & Bronze Jobber Drill Bit, High Speed Steel, #21, 3-1/4" L, 2-1/8" Flute, 135° Point Angle Modular Tool Box Parts & Accessories Working Temperature

Working Temperature

Softened and tapered striking end reduces chipping

Auxiliary handle and guard

Recessed 'through holes' in till area allow for the secure storage of extra long items like pry bars

Thunderbit® T2HD Black & Bronze Jobber Drill Bit, High Speed Steel, #21, 3-1/4" L, 2-1/8" Flute, 135° Point Angle Modular Tool Box Parts & Accessories Working TemperatureUnique spiral flute design improves chip ejection and coolant flow Heavy duty core for increased strength and reduced breakage 135 self centering split point to prevent walking Black and Gold surface treatment for added lubricity and higher drilling speeds Jobber length for most general applications Specifications Material High Speed Steel Drill Size #21 Overall Length 3 1 4" Flute Length 2 1 8" Point Angle 135