SpeTool Extra Long CNC Spiral Router Bits with Up Cut 1/8 inch Cutting Diameter, 1/4 inch Shank 3 inch Extra Long HRC55 Solid Carbide End Mill for Wood Cut, Carving

(0 Reviews)

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$20.99

Quantity
(10000 available )

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21 Ratings
10
1
5
1
4
Reviews
  • Greg F.

    > 3 day

    Im an experienced woodworker, this bit is not worth the price. In fact the price implies that it is US or European made as the Amazon profile does not disclose it is China made. It broke within the first minute of use. Im sending it back for a refund. Amazon- disclose the country of origin on all products, quit playing games.

  • William Broussard

    > 3 day

    i took no more than 1/8 of material at a time but it broke on the second pass. i am never buying from these folks again.

  • Russ P.

    > 3 day

    In middle of cut with cnc in hard wood the bit broke where it makes the transition from 1/4 to 1/16

  • Chris G

    > 3 day

    Love their bits but they sent me a down cut bit and I didn’t check it before cutting so I wasted a piece of plywood.

  • John

    > 3 day

    I own quite a few of high end bits. From different companies who reach out to Instagram influencers. I bought these in a whim to get me through a project. I was amazed and how well they cut for 1/4 the price of my expensive bits that cut like crap. I highly recommend these bits and will keep buying them to run in my cnc

  • Marcos Silva

    > 3 day

    Broke immediately. Super flimsy!!! Get a descent brand because these are junk

  • Dadbklr

    07-06-2025

    I use this for cutting inlays in hard maple and walnut. Worked great.

  • guy

    > 3 day

    Im glad I went with the extra-long bit. The bit that comes with the inlay kit works well but limits you to 1/4 temples and limits your inlay depth. The longer bit allows you to use 1/2 thick templates and still cut a 1/4 deep inlay. 1/4 template allows you to get 3/4 inlays.

  • KC

    > 3 day

    Work great cutting 1 inch wood on my cnc

  • Ligia Campanha Horvath

    > 3 day

    Worked while it lasted, it didn`t last very long. 3 uses

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Difference Between Down-Cut,UP-Cut and Compression Bit

DOWN CUTDOWN CUT

UP CUTUP CUT

compressioncompression

Down-Cut Bit

  • Down-cut bit leaves a clean top edge but a rough bottom edge
  • it is great for cutting shallow dados, rabbets, and visible slots. When cutting dados or grooves with a down cut bit, be sure to slow the feed rate to allow more time for chip removal.

UP-Cut Bit

  • Up-cut bit leaves a smooth bottom edge but a rough top edge
  • The up cut is better at evacuating chips, Ideal for mortise and tenons, grooving, slotting or routing deep blind holes. It performs faster cutting while pulling the chips up.

Compression Bit

  • Compression bit cut both top and bottom cleanly, Its spiral action pulls both sides into the center of the bit where it ejects out of the side.
  • Through cuts in harwoods, softwoods, plywood, melamine, and other veneers
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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
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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

1/8 DOWN CUT 1/8 UP CUT 1/8LS DOWNC CUT 1/8LS UP CUT 1/8-1/4 Compression 1/8LS Compression
1/8 Down Cut 1/8 Up Cut 1/8 Extra Long Down Cut 1/8 Extra Long Up Cut D1/8 -H1/4 Compression D1/8-H1/8 Compression
Cutting Diameter 1/8" 1/8" 1/8" 1/8" 1/8" 1/8"
Shank Diameter 1/4" 1/4" 1/4" 1/4" 1/4" 1/8"
Cutting Length 1/2" 1/2" 1" 1" 3/4" 1"
Total Length 2" 2" 3" 3" 2-1/2" 2"

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