Type "E" four-flute countersinks are for deep hole countersinking and counterboring. The cutting edges are wider than the countersink body enabling it to go deep into material. These deep-hole countersinks mount on standard fractional size drill bits. have 1/4-inch shanks and are popular in helping reduce the breakage of small diameter bits. Note that items numbers ending in 'H" are hex quick-change shanks. All sizes are 1-inch (OL) overall length. Constructed from heat-treated carbon steel to cut wwods, plastics, and non-ferrous metals. Legend below explains sizing. Select your item(s) then click Add to Cart.
Legend (in inches unless otherwise noted):
- CD = Cutting Diameter
- DHD = Drill Hole Diameter
- OL = Overall Length
Technical InfoW.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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