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πŸ”© yonico 31014 sc 4" diameter spiral router bit logo

πŸ”© Yonico 31014 SC 4" Diameter Spiral Router Bit Review

3

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Average

Revainrating 3.5 out of 5Β Β 
RatingΒ 
3.3
πŸͺš Router Bits, πŸ”ͺ Cutting Tools

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Description of πŸ”© Yonico 31014 SC 4" Diameter Spiral Router Bit

This O-flute bit has a cutting diameter of 1/4", cutting height of 3/4", overall length 2" and 1/4" shank. For CNC milling and routing on aluminum and plastics where a clean bottom surface edge of material is required. Premium C3 micro-grain solid tungsten carbide for a high-performance industrial quality tool. For use on CNC, table mount and handheld routers. Polished to a mirror finish from a solid carbide rod for precision & accuracy.

Reviews

Global ratings 3
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  • 3
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Type of review

Revainrating 2 out of 5

Not suitable for cutting acrylic

For my application it was a lot worse than the Onsrud bits I used. I cut a 1/8 inch acrylic mirror and the edge was uneven, like the acrylic was chipping. I switched back to the Onsrud drill bit and it cut smooth as butter. This is probably a decent inexpensive fix for some. Materials, but I'll pay more for a better beat.

Pros
  • For routing and CNC milling on aluminum and plastic where a clean bottom edge of material is required
Cons
  • Slightly torn

Revainrating 3 out of 5

Not as strong as the similar Onsrud bit

I use these bits in my CNC router, primarily for cutting aluminum and plastic. Decided to use this bit instead of my Onsrud 63-610. The aluminum was T-65, which put more stress on the racquet than traditional non-tempered metals. Regardless, this punch lasted about 30 minutes in a 3 hour run. After it broke I switched to the onsrud bit and finished the job. While I don't think this bit is weak or ineffective, it does appear to be slightly weaker than Onsrud.

Pros
  • Highly polished carbide shank for precision and precision
Cons
  • Expensive

Revainrating 5 out of 5

Great value good replacement for Onsrud and Amana bits

I bought these as a cheaper alternative to the Onsrud and Amana O-Flute series. They totally did the job and very good value for money. Their bottom edge in the pockets is the only area they brand. They have excellent chip control and clearance in plastics as well as good surface finish. I use them in lots of HDPE and Acetal with a desktop CNC router (Axiom AR1). These bits run easily at 60-100 ipm on such a small machine and still deliver a good cut.

Pros
  • C3 Premium C3 fine hard tungsten carbide for heavy duty industrial quality tools
Cons
  • Concise instructions