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5mm Up-Cut Spiral Bit – 1/4″ Shank (AstraHP Coated)

Our 5mm upcut spiral bit is ideal for 5mm shelf pins and a perfect fit for 5mm Domino Tenons. Used in either CNC or router. AstraHP Coated Cut Diameter: 5mm Shank: 1/4″ Length of Cut: 7/8″ Overall Tool Length: 2-1/2″ Made In USA PRO TIP: For drilling holes with this up cut, set router spindle to 10,000-12,000RPM and drill hole in one step; don’t peck drill. #row-511008747 > .col > .col-inner { padding: 20px 0px 20px 0px; } #section_812202539 { padding-top: 45px; padding-bottom: 45px; } @media (min-width:550px) { #section_812202539 { padding-top: 65px; padding-bottom: 65px; } } @media (min-width:850px) { #section_812202539 { padding-top: 2px; padding-bottom: 2px; } }

5mm Up-Cut Spiral Bit – 1/4″ Shank (AstraHP Coated) - Main image
$31.49 $44.99 In stock

Category: Up-Cut CNC Bits

This 5mm up-cut spiral bit features a 1/4-inch shank and an AstraHP coating, designed for clean cutting in CNC applications. The up-cut geometry helps evacuate chips for efficient material removal.

  • 5mm cutting diameter with a 1/4-inch shank for compatibility with standard CNC collets.
  • AstraHP coated for enhanced durability and performance.
  • Up-cut spiral design aids in chip evacuation and reduces heat buildup.
  • Suitable for use in CNC routers and similar machines.
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Customer Reviews (4.4 / 5 · 5 reviews)

Matthew ★★★★★

Used this on a batch of hardwood parts and the chip evacuation is noticeably better than standard bits I've tried. The coating still looks brand new after a dozen runs.

Alexander P. ★★★★★

The AstraHP coating on this bit is holding up better than my last uncoated one after a full day of cutting hardwood on the CNC. Chip evacuation is noticeably cleaner with the up-cut geometry, and the 5mm size gives me a nice balance between speed and detail. Zero complaints so far.

Sophia Y. ★★★★★

First night using this on my CNC and the chip evacuation was a huge win—no clogged flutes, even in dense plywood. The 5mm up-cut size is a perfect sweet spot for my sign work, and the AstraHP coating has held up through a solid 8-hour run without any chipping.