Irwin 3046004 Drill Bit, 1 in Dia, 5 in OAL, 3-Flute, 7/16 in Dia Shank, Hex Shank tools--07-20-26 Use on all types of

Use on all types of mild steel where ease of operation and good appearance is required

high carbon spring steel for extreme strength and durability

Mixed at a ratio of 1:1

The line is stiffer and easier to tie knots and the ends will not fray as much when cut

Retains color against the elements

Irwin 3046004 Drill Bit, 1 in Dia, 5 in OAL, 3-Flute, 7/16 in Dia Shank, Hex Shank tools--07-20-26 Use on all types ofFeed screws has a coarse thread for fast boring. Spurs on the outside diameter cut holes clearly and accurately, 7 16 in quick change impact shank for use in applications such as large diameter holes in wood for pipe, conduit. Each bit is packaged with one hex key and two feed screws. 3X cutting edges extends bit life compared to standard IRWIN self feed bits Features aggressive screw pitch