66740 Type 340-A HSS Black Oxide 118Â degree Split Point NAS 907A Jobber Length Drill Bit (12 pack) 20 Degree Pressure Angle • Black oxide surface finish

• Black oxide surface finish increases wear resistance and adds lubricity to improve chip flow

Note: This is the spec sheet for the version with cast iron housing and mild steel bearing insert

bar lengths (up to 105")

A four-way valve in the air line lets you reverse the air motor

Integral Drag Guard Prevents Accidental Disconnection

66740 Type 340-A HSS Black Oxide 118Â degree Split Point NAS 907A Jobber Length Drill Bit (12 pack) 20 Degree Pressure Angle • Black oxide surface finishType 340 A 118 split point is self centering for reduced thrust and easier penetration Black oxide finish for increased wear resistance and added lubricity Manufactured to NAS 907A aerospace specification General purpose geometry with 118 split point for drilling in a wide range of drilling operations and materials. Click Here for product catalog Proudly Manufactured in the U. S. A