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WL Fuller Four-Flute Type "J" Countersink

Regular price $ 7.75 Sale

Made in the USA  ·  W.L. Fuller

  • Made of carbon steel & heat-treated for long tool life
  • For use in all woods, plastics, & non-ferrous metals
  • 1/4" shank to fit chuck & help reduce breakage of small diameter drills
  • 82° cutting angle head
  • Four flutes for clean & accurate boring
  • Two hex-socket set screws in countersink

  • A high quality American-made countersink made by WL Fuller. Made of carbon steel & heat-treated, this countersink is very well-built, durable, & cuts into materials well. This type “J” countersink is designed for use in all woods, plastics, & non-ferrous metals. It has four flutes for clean & accurate boring, & a standard 82° cutting angle which will accommodate most bevelled screws. The countersink 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. This countersink can be mounted on taper point, brad point & regular point drills.  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
    Shank Diameter Shank Length
    #J56
    3/8"
    3/32" 1-1/2" 1/4" 3/4"
    #J4 3/8" 7/64" 1-1/2" 1/4" 3/4"
    #J5 3/8" 1/8" 1-1/2" 1/4" 3/4"
    #J6 3/8" 9/64" 1-1/2" 1/4" 3/4"
    #J7 3/8" 5/32" 1-1/2" 1/4" 3/4"
    #J8 3/8" 11/64" 1-1/2" 1/4" 3/4"
    #J9 3/8" 3/16" 1-1/2" 1/4" 3/4"
    #J25 1/2" 1/8" 1-1/2" 1/4" 3/4"
    #J26 1/2" 9/64" 1-1/2" 1/4" 3/4"
    #J27 1/2" 5/32" 1-1/2" 1/4" 3/4"
    #J28 1/2" 11/64" 1-1/2" 1/4" 3/4"
    #J29 1/2" 3/16" 1-1/2" 1/4" 3/4"
    #J35 5/8" 1/8" 1-3/4" 1/4" 3/4"
    #J37 5/8" 5/32" 1-3/4" 1/4" 3/4"
    #J39 5/8" 3/16" 1-3/4" 1/4" 3/4"

     

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