Thunderbit® T3HD Black & Bronze Jobber Drill Bit, High Speed Steel, Q, 4-3/4" L, 3-7/16" Flute, 135° Point Angle Deburring Blades 1" W x 42" L

1" W x 42" L

Maximum RPM

and all magnesium guards and shoe

Blades have a small pin at the end to mount into the blade holder of the scroll saw

Thunderbit® T3HD Black & Bronze Jobber Drill Bit, High Speed Steel, Q, 4-3/4" L, 3-7/16" Flute, 135° Point Angle Deburring Blades 1" W x 42" LUnique 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 Q Overall Length 4 3 4" Flute Length 3 7 16" Point Angle 135