HSS Import Interchangeable Pilot Counterbore, Straight Shank HSS, 3 Flute, 13/32"

High Speed Steel Straight Shank Solid Counterbore for Fillister Head Screws. HSS TMX 2 Flute Counterbore with solid pilot for Fillister Head Screw with 3/8" pilot diameter x 19/32" cutting diameter x 4-3/8" overall length x 7/16" shank diameter. Designed to cut the needed form for fillister head screws

Pilot for 3" Hougen Copperhead Carbide Tip Annular Cutters.

Arbor with pilot pin for 1/4" (6mm) to 3/4" (20mm) RotaCut™ hole cutters. Triple flatted for 3/8" Chuck

Holcutters™ are not hole saws. They're precision ground, heat treated tools that easily cut thru the stock rather than ripping, tearing, and pushing thru as do typical hole saws. They can produce holes three times faster and cleaner than hole saws in sheet metal and have dramatically extended tool life, too. All sizes have a "shoulder" to prevent plunge-thru, which is especially useful when drilling into live electrical boxes. See for yourself why electricians, fabricators, and mechanics prefer the quality and speed of a Holcutter over hole saws. Made in USA. Holcutters™ Feature ...

High Speed Steel Solid Pilot Cap Screw Counterbore with Straight Shank. HSS TMX Cap Screw 3 Flute Counterbore with solid pilot for 1/4" Screw with 9/32" pilot diameter x 13/32" cutting diameter x 3/8" shank diameter x 5" overall length. Designed to cut the needed form for cap screws