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Amana Tool 46468 CNC Solid Carbide 90 Degree Angle x 1/2 D x 5mm CH x 1/4 SHK x 1-9/16 Inch Long, 5 Flute Countersink and Chamfer Router Bit


5 flute ニ_棦 Solid carbide head on brazed steel shank offers long-lasting durability

Designed for making 90 degree countersinks and chamfering.

These bits make it possible to chamfer edges, holes and contours with a ニ_ニ_ニ_ニ_椚contourニ_椚ニ_椚 or ニ_ニ_ニ_ニ_椚boreニ_棟 CNC operation and still have the option to use a sufficient lead-in distance.

Item no. 46468 utilizes a 3mm diameter tip width, making cuts into the tightest corners and smallest details achievable.

Excellent for:

  • GFR (Glass Fiber Reinforced Polymer - Plastic Materials)
  • CFRP (Carbon Fiber Reinforced Polymer - Plastic Materials)
  • FRP (Fiber Reinforced Plastic)
  • Micartaニ_ (Brand name for composites of linen, canvas, paper, fiberglass, carbon fiber or other fabric in a thermosetting plastic.)
  • MMC (Metal Matrix Composite)
  • Honeycomb
  • Thermoset Composites
  • Thermosetting Plastics

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ニ_椚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ニ_椚t allow a 0 feed rate, you can enter 1 IPMニ_ニ_(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.

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