Make it Snappy⏳CounterboresMake it Snappy Tools 1/8 Inch x 3/8 Inch 3-Flute Flat Bottom Counterbore with TiN coated twist drill #32408$82.99View
Drill America⏳CounterboresDrill America 5/16" X 3/32" High Speed Steel Aircraft Counterbore 1/4" Shank, DEW Series$110.99View
Drill America⏳CounterboresDrill America DEWA/CCBR9/32 DEWCBR Series Qualtech High-Speed Steel Aircraft Counterbore, 1/4" Shank Diameter, 3/32" Pilot, 2-3/8" Length, 9/32" Size (Pack of 1)$162.99View
RUKO⏳CounterboresRUKO HSS Flat Counter Sinker with Fixed Guide for Thread Core Hole, DIN 373, Tin Finish, 18.0 mm Diameter, 100.0 mm Length, R102420T$159.99View
RUKO⏳CounterboresRUKO HSS Flat Counter Sinker with Fixed Guide for Thread Core Hole, DIN 373, Tin Finish, 15.0 mm Diameter, 100.0 mm Length, R102419T$274.99View
RUKO⏳CounterboresRUKO HSS Flat Counter Sinker with Fixed Guide, Medium Grade for Through Hole, DIN 373, Tin Finish, 15.0 mm Diameter, 100.0 mm Length, R102412T$133.99View
RUKO⏳CounterboresRUKO HSS Flat Counter Sinker with Fixed Guide, Medium Grade for Through Hole, DIN 373, Tin Finish, 11.0 mm Diameter, 80.0 mm Length, R102411T$167.99View
RUKO⏳CounterboresRUKO HSS Flat Counter Sinker with Fixed Guide, Medium Grade for Through Hole, DIN 373, Tin Finish, 10.0 mm Diameter, 80.0 mm Length, R102410T$144.99View
RUKO⏳CounterboresRUKO HSS Flat Counter Sinker with Fixed Guide, Medium Grade for Through Hole, DIN 373, Tin Finish, 6.0 mm Diameter, 71.0 mm Length, R102408T$28.99View
RUKO⏳CounterboresRUKO HSS Flat Counter Sinker with Fixed Guide, Fine Grade for Through Hole, DIN 373, Bright Finish, 20.0 mm Diameter, 100.0 mm Length, R102407$47.99View
RUKO⏳CounterboresRUKO HSS Flat Counter Sinker with Fixed Guide, Fine Grade for Through Hole, DIN 373, Bright Finish, 18.0 mm Diameter, 100.0 mm Length, R102406$44.99View