Countersink HSS Step Drills (for wood screws)

Sale price $12.78 Regular price $14.05

Tax included.
SKU: WFSD0404

These Step Drills are designed to predrill clearance holes through the first piece of wood and pilot holes for the threads in the second piece of wood. Sizes and lengths match standard screw sizes. Countersinks can be used to complete a 3-step operation in 1 step. Made of top quality High Speed Steel.  Legend below explains sizing. Select your item(s) then click Add to Cart.

Legend (in inches unless otherwise noted):
  • SS = Screw Size
  • LD = Large Diameter
  • SD = Small Diameter
  • PL = Pilot Length
  • FL = Flute Length
Technical Info

W.L. Fuller Inc. is a family owned, third generation, manufacturer of the best countersinks, counterbores, plug cutters, taper point drills, brad-point drills, and step drills. They have over 60 years of experience in manufacturing tools to cut woods, plastics, and metals.


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