This round shank drill bit set is carbide tipped. It is designed for use with manual operation, rotary drill. It is for use on concrete and masonry. This 3008 series round shank drill bit set features a fractional inch measurement system and a 2⅜ inch, 3 inch, 3⅜ inch, 4 inch, 4¾ inch length, a right hand cutting direction, and has a bright (uncoated) finish.
Technical Specs
ItemRound Shank Drill Bit Set
Drill Bit Sizes Included1/8 in, 5/32 in, 3/16 in, 1/4 in, 5/16 in
Number of Drill Bits5
Largest Drill Bit Size5/16 in
Shank Type - MachiningStraight
Shank Diameter7/64 in, 1/8 in, 11/64 in, 15/64 in, 17/64 in
Overall Length2 3/8 in, 3 in, 3 3/8 in, 4 in, 4 3/4 in