#28 (10 Pack) .1405 Jobber Length Carbide Drill Bits Coating:ALTiN 5/16" Diameter x 2-3/8" LOF

5/16" Diameter x 2-3/8" LOF x 3-3/4" OAL

Number 31 -

and special alloys

Uncoated or ZrN coated to repel aluminum

Number 34 -

#28 (10 Pack) .1405 Jobber Length Carbide Drill Bits Coating:ALTiN 5/16" Diameter x 2-3/8" LOFHTC solid carbide number size jobber drills feature a 25 helix angle and a 118 split point. As with all of our solid carbide tools, these drill bits are manufactured using state of the art machinery, manufacturing processes and inspection techniques, making them the preferred choice of solid carbide drills for machinists wanting to produce high quality parts with maximum tool life. Number 28 . 1405 Dia. x 1 3 8" LOF x 2 1 2" OAL