Brad-Point Drill Bit, 3-11/16-In. Twist Length, 7/16-In. Dia. Garage Doors & Accessories Made with high speed steel

Made with high speed steel material

Designed to keep the arms of the coupling from unintentionally opening during operation due to vibration from a pump or transport

Five flute design reduces vibration for smoother drilling and extended life

This Elite standard t1 size post mount mailbox is the perfect blend of design

Brad-Point Drill Bit, 3-11/16-In. Twist Length, 7/16-In. Dia. Garage Doors & Accessories Made with high speed steel7 16" diameter, brad point drill bit, 3 11 16" twist length, overall length 5 19 32", provides accurate positioning for starting the hole, bit is precision ground for use in furniture making, doweling, cabinetry, where exact hole size is required, spur cutting edges reduce splintering & ensure a smooth, clean hole, wide flutes provide a fast continuous flow of chips, pouched.