Screw Machine Length Drill Bits

13/32" Diam, 3/8" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore 4-1/16" OAL, 3-1/16" OAL Shank, Bright Finish, High Speed Steel

Porting Tool: 1.635" Spotface Dia, 3/4" Tube OD, Reamer, Tube Dash #12 0.979" Min Pilot Dia, 0.779" Pilot Length, 4 Flutes, MS 16142, SAE J1926 & SAE J514

1-5/16" Diam, 1" Shank, Diam, 5 Flutes, Straight Shank, Interchangeable Pilot Counterbore 6-5/8" OAL, 4-5/8" OAL Shank, Bright Finish, Cobalt

5/16" Head Diam, 3/32" Shank Diam, Counterbore Pilot Carbon Steel

Solid Pilot Counterbore: 1-9/16" Dia, 1-1/16" Pilot, 3 Flutes 1", 1" Shank Dia, High Speed Steel

1/2" Diam, 3 Flutes, Morse Taper Shank, Interchangeable Pilot Counterbore 4-5/16" OAL, Bright Finish, High Speed Steel

1-3/8" Diam, 1/2" Shank, Diam, 4 Flutes, Straight Shank, Interchangeable Pilot Counterbore 5-1/2" OAL, Bright Finish, High Speed Steel, Aircraft Style

7/8" Head Diam, 5/16" Shank Diam, Counterbore Pilot Carbon Steel

0.34" Drill, 3/8" Pilot Length, High Speed Steel Bright Finish Combo Drill & Counterbore 0.49" Head Diam, 1/2" Body Diam, 1-15/16" OAL, 5/16" Socket-Head Cap Screw Compatibility, Uses Adapter UA-6

5/16" Head Diam, 1/4" Shank Diam, Counterbore Pilot Carbon Steel

13/16" Head Diam, 7/16" Shank Diam, Counterbore Pilot Bright Finish, High Speed Steel

Porting Tool: 1.012" Spotface Dia, 3/8" Tube OD, Plain, 9/16-18" Port, High Speed Steel 0.505" Min Pilot Dia, 3-15/32" OAL, 4 Flutes, 0.505, 0.511, AND 10050 & MS 33649

Solid Pilot Counterbore: 1.354" Dia, 0.906" Pilot, 4 Flutes 7/8" Socket-Head Cap Screw Compatible, 7/8" Shank Dia, 8-1/8" OAL, High Speed Steel

1/2" Head Diam, 1/4" Shank Diam, Counterbore Pilot Bright Finish, High Speed Steel

3/16" Head Diam, 5/32" Shank Diam, Counterbore Pilot Bright Finish, High Speed Steel

Porting Tool: 0.7600" Spotface Dia, 3/16" Tube OD, Reamer, 3/8-24" Port, Carbide-Tipped, Tube Dash # 3.000 0.3330" Min Pilot Dia, 0.3970" Pilot Length, 3" OAL, 3 Flute, SAEJ1926 & MS16142