Made In USA | Whitney Tool 3 To 10mm Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore Set - Bright Finish, Standard Pilot

Made In USA | Yankee Solid Pilot Counterbore: 0.773" Dia, 0.515" Pilot, 4 Flutes - 1/2" Socket-Head Cap Screw Compatible, 1/2" Shank Dia, 7-1/2" OAL

Made In USA | Yankee Solid Pilot Counterbore: 0.346" Dia, 0.221" Pilot, 4 Flutes - Socket-Head Cap Screw Compatible, 9/32" Shank Dia, 5-1/4" OAL

Made In USA | Yankee Solid Pilot Counterbore: 0.33" Dia, 0.205" Pilot, 4 Flutes - Socket-Head Cap Screw Compatible, 9/32" Shank Dia, 5-1/4" OAL, High

Value Collection 1/2 To 1" Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore Set - Straight Shank, 3 Flutes, 4 Piece Set

Value Collection 1/4 To 1/2" Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore Set - Straight Shank, 3 Flutes, 4 Piece Set

Made In USA | Yankee 10 To 4 Wire Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore Set - Bright Finish, Standard Pilot

Made In USA | Yankee Solid Pilot Counterbore: 0.604" Dia, 0.406" Pilot, 4 Flutes - 3/8" Socket-Head Cap Screw Compatible, 1/2" Shank Dia, 6-1/2" OAL

Made In USA | Yankee Solid Pilot Counterbore: 0.663" Dia, 0.437" Pilot, 4 Flutes - 7/16" Socket-Head Cap Screw Compatible, 1/2" Shank Dia, 7" OAL

Value Collection 3mm To 10mm Socket-Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore Set - Bright Finish, Standard Pilot

Made In USA | Yankee Solid Pilot Counterbore: 0.679" Dia, 0.452" Pilot, 4 Flutes - 7/16" Socket-Head Cap Screw Compatible, 1/2" Shank Dia, 7" OAL

Made In USA | Yankee Solid Pilot Counterbore: 0.569" Dia, 3/8" Pilot, 4 Flutes - 3/8" Socket-Head Cap Screw Compatible, 1/2" Shank Dia, 6-1/2" OAL

Made In USA | Yankee Solid Pilot Counterbore: 0.588" Dia, 0.39" Pilot, 4 Flutes - 3/8" Socket-Head Cap Screw Compatible, 1/2" Shank Dia, 6-1/2" OAL

Made In USA | Whitney Tool Solid Pilot Counterbore: 20mm Dia, 13mm Pilot, 3 Flutes - Socket-Head Cap Screw Compatible, 1/2" Shank Dia, 6" OAL, High

Made In USA | Yankee Solid Pilot Counterbore: 0.491" Dia, 0.328" Pilot, 4 Flutes - 5/16" Socket-Head Cap Screw Compatible, 3/8" Shank Dia, 6-1/8"

Made In USA | Yankee 3 To 14mm Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore Set - Bright Finish, Oversize Pilot, 0.5mm

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

Made In USA | Yankee Solid Pilot Counterbore: 0.755" Dia, 1/2" Pilot, 4 Flutes - 1/2" Socket-Head Cap Screw Compatible, 1/2" Shank Dia, 7-1/2" OAL

Made In USA | Yankee Solid Pilot Counterbore: 0.228" Dia, 0.138" Pilot, 4 Flutes - Socket-Head Cap Screw Compatible, 7/32" Shank Dia, 4-5/8" OAL

Made In USA | Yankee 10 To 4 Wire Socket Head Cap Screw Compatible, High Speed Steel, Solid Pilot Counterbore Set - Bright Finish, Oversize Pilot

Titan USA Solid Pilot Counterbore Sets, Fastener Type Compatibility: Cap Screw, Minimum Fastener Size Compatibility (Wire): 4, Maximum Fastener Size

Titan USA Solid Pilot Counterbore Sets, Fastener Type Compatibility: Cap Screw, Minimum Fastener Size Compatibility (Wire): 4, Maximum Fastener Size

Made In USA | Whitney Tool Solid Pilot Counterbore: 6mm Dia, 3.4mm Pilot, 3 Flutes - Socket-Head Cap Screw Compatible, 3/8" Shank Dia, 3-1/2" OAL

Alvord Polk Solid Pilot Counterbore: 0.2953" Dia, 0.1772" Pilot - 0.1575" Socket-Head Cap Screw Compatible, 1/4" Shank Dia, 5" OAL, High Speed Steel

Alvord Polk Solid Pilot Counterbore: 0.398" Dia, 0.265" Pilot - 1/4" Socket-Head Cap Screw Compatible, 5/16" Shank Dia, 5-5/8" OAL | Part 33016

Made In USA | Yankee Solid Pilot Counterbore: 0.38" Dia, 1/4" Pilot, 4 Flutes - 1/4" Socket-Head Cap Screw Compatible, 5/16" Shank Dia, 5-5/8" OAL

Interstate | Value Collection Solid Pilot Counterbore: 13/32" Dia, 9/32" Pilot, 3 Flutes - 1/4" Socket-Head Cap Screw Compatible, 3/8" Shank Dia

Made In USA | Yankee Solid Pilot Counterbore: 0.943" Dia, 5/8" Pilot, 4 Flutes - 5/8" Socket-Head Cap Screw Compatible, 5/8" Shank Dia, 7-5/8" OAL

Made In USA | Yankee Solid Pilot Counterbore: 0.977" Dia, 0.656" Pilot, 4 Flutes - 5/8" Socket-Head Cap Screw Compatible, 5/8" Shank Dia, 7-5/8" OAL

Made In USA | Yankee Solid Pilot Counterbore: 0.398" Dia, 0.265" Pilot, 4 Flutes - 1/4" Socket-Head Cap Screw Compatible, 5/16" Shank Dia, 5-5/8"

Made In USA | Yankee Solid Pilot Counterbore: 1.508" Dia, 1" Pilot, 4 Flutes - 1" Socket-Head Cap Screw Compatible, 1" Shank Dia, 8-1/2" OAL, High

Alvord Polk Solid Pilot Counterbore: 0.789" Dia, 0.531" Pilot - 1/2" Socket-Head Cap Screw Compatible, 1/2" Shank Dia, 7-1/2" OAL, High Speed Steel

Alvord Polk Solid Pilot Counterbore: 0.2362" Dia, 0.1378" Pilot - 0.1181" Socket-Head Cap Screw Compatible, 3/16" Shank Dia, 4-1/2" OAL, High Speed

Alvord Polk Solid Pilot Counterbore: 0.604" Dia, 0.406" Pilot - 3/8" Socket-Head Cap Screw Compatible, 1/2" Shank Dia, 6-1/2" OAL, High Speed Steel

Kounterbore | Arch Cutting Tools 10 To 4 Wire Socket Head Cap Screw Compatible, Cobalt, Solid Pilot Counterbore Set - Bright Finish, Oversize

Made In USA | Whitney Tool Solid Pilot Counterbore: 15mm Dia, 9mm Pilot, 3 Flutes - Socket-Head Cap Screw Compatible, 3/8" Shank Dia, 6" OAL, High