Amana Tool 51378 SC Spiral O Single Flute, Aluminum Cutting 3/8 D x 1 CH x 3/8 SHK x 3 Inch Long Up-Cut Router Bit with Mirror Finish

Amana Tool® Item #51378
$88.50
$66.38
Free shipping on orders $49 and up


vectric fusion 360 tool file toolstoday


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To be used only on CNC machines and routers with automatic feeding. Solid carbide spiral 'O' flute aluminum cutting router bits use the highest quality sub-micrograin carbide, have a special proprietary edge processing system and feature a super high polished cutting edge with a unique “mirror finish”, resulting in clean cuts, less chance for chip re-welding, a superior surface finish and a longer tool life. The spiral ‘O’ flute sharpening/finishing process increases feed rates, allowing for more linear feet routed in less time.

Excellent for cutting:

  • ALPOLIC® Copper Composite Material (CCM)
  • Alucobond®
  • Aluminum
  • Aluminum 5052
  • Aluminum 6061
  • Aluminum Alloys (Al-Alloy)
  • Aluminum Composite Materials (ACM)
  • Aluminum Composite Panel (ACP)
  • Alupanel®
  • Brass
  • Copper
  • Dibond®
  • Durabond*
  • e-panel™
  • Etalbond®
  • Fomex® with Aluminum Face
  • Gold
  • Non-Ferrous Metals
  • Plastic
  • Silver
  • Solid Surface
  • Titanium Composite Material (TCM)
  • Wood

*Durabond is a polyethylene core with 0.3mm colored aluminum sheet on either side. It is a pre-finished product that requires no decoration.

Testimonial: "Why didn't you tell me that the bit (#51408) would cut endlessly through my material without ever breaking? I wouldn't have wasted my money ordering 4 of them!! Hehe, seriously, this bit is churning out some beautiful work. I've doubled my speed and cut off my oil mist." Dennis, LA

Available in both metric and inch sizes, these router bits are specifically designed for a variety CNC machining applications. Continuous improvements in cutting performance, the unique carbide polishing process, tool design & geometry make these router bits perfect for routing signs and displays. Signmaking (signcrafter) router bits were originally developed in Europe specifically for professional sign makers. Today, CNC routers have become the tool of choice for sign makers, moving beyond printers and vinyl cutters.

  • Industrial quality
  • Single flute design
  • Super high flute mirror finish results in better cut quality
  • Dissipates heat well and prevents melting
  • Right hand helix/right hand cut
  • Eject chips up or down
  • Longer tool life

Maximum RPM: 35,000

Tool #51489: Special point for improved bottom finish.

saw blade guidelines for safetyATTENTION!51470 and 51472 reduce RPM & Feed Rates (IPM) by 30-50% to prevent tool breakage due to extremely small diameter (D). These bits are high finish (not mirror finish due to small diameter).

saw blade guidelines for safetyWARNING! Never attempt to cut ferrous metals with these bits. Inspect cut quality and adjust feed / speed accordingly. For optimal results and extended tool life use mist lubricant system or air cooling.

View DXF CNC FileDownload DXF tool file (limited items currently)

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WARNING: Drilling, sawing, sanding or machining wood products can expose you to wood dust, a substance known to the State of California to cause cancer. Avoid inhaling wood dust or use a dust mask or other safeguards for personal protection. For more information go to www.P65Warnings.ca.gov/wood.
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