WL Fuller Two-Flute Type "R" Counterbore

Made in the USA  ·  W.L. Fuller Made of stainless steel & hardened  Two-flute counterbore For use in woods & plastics With extension lip pattern cutting edges, this counterbore cuts a clean hole without tearing woods or plastics Two hex-socket set screws in counterbore Product Description Specs A high quality American-made counterbore made by WL Fuller. Made of stainless steel & hardened, this counterbore is hard enough to hold an edge & yet can be sharpened with a file. These type “R” counterbores have two flutes & are used to cut flat bottom holes in wood or plastic for heads of screws, rivets, or nails. The counterbore is deep enough for a wood plug over the head of the screw or rivet. With extension lip pattern cutting edges, this counterbore cuts a clean hole without tearing. The counterbore is held in place with two hex-socket set screws fastened into the bit & is easily adjustable up & down the length of the drill bit if the need arises, they also can be used with stop collars to control the depth of cut, See here for our Stop Collars.  Made in the USA.    The W.L. Fuller Co. is a family owned, third generation manufacturer of the best countersinks, counterbores, plug cutters, taper point drills, brad point drills, & step drills. All made 100% in the U.S.A. today. With over 60 years experience manufacturing tools to cut woods, plastics, & metals, Fuller provides tools you need to get the job done while saving you time & money. All of their products carry their “satisfaction guarantee”. Model Cutting Diameter Drill Hole Size Overall Length #R17 3/8" 7/64" 1" #R1 3/8" 1/8" 1" #R19 3/8" 9/64" 1" #R15 3/8" 5/32" 1" #R111 3/8" 11/64" 1" #R13 3/8" 3/16" 1" #R113 3/8" 13/64" 1" #R72 7/16" 1/8" 1" #R75 7/16" 5/32" 1" #R73 7/16" 3/16" 1" #R713 7/16" 13/64" 1" #R22 1/2" 1/8" 1" #R25 1/2" 5/32" 1" #R211 1/2" 11/64" 1" #R23 1/2" 3/16" 1" #R213 1/2" 13/64" 1" #R27 1/2" 7/32" 1" #R215 1/2" 15/64" 1" #R24 1/2" 1/4" 1" #R93 9/16" 3/16" 1" #R97 9/16" 7/32" 1" #R94 9/16" 1/4" 1"