SpeTool Spiral Router Bits Down Cut 1/4 inch Cutting Diameter, 1/4 inch Shank Solid Carbide CNC Bits End Mill for Wood Cut Carving Engraver
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UVM in Texas
> 3 dayThis bit worked great for cutting holes in 3/4 Baltic birch. I only cut 1/4 on each pass since I am using a palm router, but the lines are sharp and accurate. Just need to clear the dust after each pass.
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PW
14-06-2025Great value for the money.
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Crmstrong1
> 3 dayThis was purchased for cutting a radius through laminate plastic glued to MDF board used for shop made table saw miter sled. The down spiral cut left a very smooth, clean edge in the thin plastic, exactly as desired. It also left a clean, smooth edge on the MDF and a plastic liner glued to the underside as the surface contacting the table saw. If interested, this highly accurate miter build is illustrated by the designer on YouTube. Search for Making a Super Accurate Miter Gauge.
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Thomas M.
12-06-2025cuts clean. hopefully last long.
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McDonald6842
> 3 dayCuts very clean and very smooth! I will definitely be using these bits from now on.
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Evan Walker
Greater than one weekGood endmills. Plain, uncoated metal, but theyre packaged well and theyre sharp enough to slice your finger (...so Ive heard...) Good price for what they are, too. The lack of coating means they get dirty quicker, though.
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Lucasberg
13-06-2025This has been my work horse bit for a long time and it is still going.
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Chacón
> 3 dayESTA FUE UNA REPOSICIÓN DEL PEDIDO ORIGINAL YA QUE EL PRIMERO SE EXTRAVIÓ Y AMAZON AL DETECTAR EL PROBLEMA INMEDIATAMENTE ME ENVIÓ DE NUEVO EL PRODUCTO QUE LLEGÓ RAPIDÍSIMO. PROBÉ UNA EN MI FRESADORA Y LOS CORTES FUERON GENIALES. LO RECOMIENDO
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Jacob C.
> 3 dayI ordered this for use in my CNC router. Had a production run of wooden pen cases to cut out (walnut and maple) and needed to order a new bit to avoid tearout. Took a chance on this one because the price was low. I wasnt expecting much, but its still very sharp after cutting for 12+ hours. Might be just a hair bigger than 1/4, as my 1/4 indexing pins were a little loose in the positioning holes that this bit drilled. Regardless, Ill order more of these for future jobs for sure. Very happy with the cut quality and tool life.
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Patricia J. Duffett
> 3 dayFirst time user of this product. Seems to work fine for my applications cutting wood and foam. Very sharp so use caution handling with bare hands.
Difference Between Down-Cut,UP-Cut and Compression Bit
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Down-Cut Bit
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UP-Cut Bit
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Compression Bit
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SpeTool Spiral Router Bit
- Made of superior carbide according to strict Industrial grade quality standards.
- Provide a long cutting life, strong durability and a high quality finish
About SpeTool
SpeTool specialized in manufacturing various tools including CNC router bits, carving and engraving bits, aluminum and metal end mills, grinder burr and other rotary tools, for industrial and DIY applications. SpeTool each bit is manufactured strictly accordance with industrial quality standards. We are committed to improve our product through improved production techniques , strict quality control, customer feedback and extensive field testing
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| 1/4 Down Cut | 1/4 Up Cut | 1/4 Extra Long Down Cut | 1/4 Extra Long Up Cut | 1/4 Compression | 1/4 Compression-1/10 UP Cut | |
| Cutting Diameter | 1/4" | 1/4" | 1/4" | 1/4" | 1/4" | 1/4" |
| Shank Diameter | 1/4" | 1/4" | 1/4" | 1/4" | 1/4" | 1/4" |
| Cutting Length | 1" | 1" | 1-1/4" | 1-1/4" | 1" | 1" |
| Total Length | 2-1/2" | 2-1/2" | 3" | 3" | 2-1/2" | 2-1/2" |
| UpCut Length | 1/4" | 1/10" |