Value Collection 6 Piece, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore Set - Bright Finish, High Speed Steel | Part GH8794018

Precise 40 Piece Hss 3-Flute Counterbore Set, 1/4 - 1" - 2007-0041

Precise 6 Piece Hss 3-Flute Solid Pilot Counterbore Set - 2007-0003

Value Collection 7 Piece, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore Set - Bright Finish, High Speed Steel | Part GH8794034

Value Collection 6PC 3/16-1/2" SER SS SHORT COUNTERBORE SET | Part 0879012/0879033

Unidapt 0.2" Drill, 5/16" Pilot Length, High Speed Steel Bright Finish Combo Drill & Counterbore - 0.332" Head Dia, 5/16" Body Dia, 1-1/2" OAL, 10

Precise 6 Piece M4-M12 Hss 3 Flute Straight Shank Solid Pilot Counterbore Set - 2007-0001

Precise 7 Piece H Speed Steel 3 Flute Solid Pilot Counterbore Set - 2007-0002

Unidapt 0.15" Drill, 1/4" Pilot Length, High Speed Steel Bright Finish Combo Drill & Counterbore - 0.242" Head Dia, 1/4" Body Dia, 1-7/32" OAL, 6

RUKO 6-Piece Counterbore Set M3 To M10 Throughway Medium Grade

SGS 8 Pc 00 To 6 Solid Carbide Combo Drill & Countersink Set - 1/8 To 1/2" Body Dia, 60° Included Angle, 1/32 To 7/32" Drill Point Dia, Double

Ingersoll Cutting Tools 38.1mm Dia, 1-1/2" Max Depth, 1-1/4" Shank Dia, 2 Insert Indexable Counterbore - Uses SHLT 1104 Inserts, 4-1/2" OAL, Weldon

Weldon 1/4 To 1/2" Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore Set - Bright Finish, Standard Pilot, Straight Shank, 5

Precise 21 Piece H Speed Steel Interchangeable Pilot Counterbore Set - 2007-0023

200-2175 WIDIA PRODUCTS GROUP - Cutting HSS & Solid Carbide & Counterbore/Step Drill Supplies

Apt 4 Piece, 3/8 To 5/8" Diam, Solid Pilot Indexable Counterbore Set Uses Tpgh 215 Inserts, 13/32, 15/32, 17/32, 21/32" Pilot Diam, 1/2, 5/8 Shank