Countersinks for Wood Screws

55201 Carbide Tipped Countersink #4 Screw 3/8 Dia x 7/64 Drill Dia x 5/16 Round Shank

#55201

Specification
(a°) Angle49°
(D) Diameter3/8
(B) Cutting Height1/2
(d) Shank5/16
Overall Length (L)2-3/8
Wood Screw Size#4
D17/64
Replacement Drill630-098
L11-5/8

Used to countersink holes for the heads of screws in woods, plastic and non-ferrous materials. The 2-flute integral design ensures uniform and concentric results each and every time. Carbide tips provide chip free hole edges and lasts much longer than steel countersinks.

Available in a wide variety of sizes, complete with the HSS M2 fully ground drill bit.

Excellent for Drilling:

  • Natural Woods
  • Man-Made Boards
  • MDF
  • Chipboard
  • Plywood
  • Aluminum/Non-Ferrous
  • Aluminum Composite Material (ACM)
  • Composites
  • Composite Decking Materials
  • High Density Polyethylene (HDPE)

Warning: When drilling aluminum/non-ferrous materials, for optimal results and extended tool life use lubricant or air cooling. Make sure the material is fixed and drill is stable during drilling.

CNC Countersink

Drilling countersinks with these bits on the CNC machine is a great way to save time and have your pieces look great every time!

With the adjustable depth drill bit you can adjust them for whatever size material you’re working with. They are best used with a drilling toolpath, utilizing the peck drill option at .25" per pass with a .125" retract height.

For best results run at 3,000 RPM with a 30 IPM (Inches Per Minute) plunge rate. No feed rate needs to be set with these as they only move up and down with the Z axis, not side to side. If your software doesn’t allow a 0 feed rate, you can enter 1 IPM (Inch Per Minute) in the feed rate as a placeholder.

For countersinks with 1/4" round shank, use 1/4" spring collet.

For countersinks with 5/16" round shank, use 7-8mm spring collet.

For countersinks with 3/8" round shank, use 9-10mm spring collet.

Tool No.Set ScrewDrill Bit

Product Questions

Question on 55201 Carbide Tipped Countersink #4 Screw 3/8 Dia x 7/64 Drill Dia x 5/16 Round Shank


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