Starting points only, sourced from the manufacturers' own published data. Every machine differs: test in scrap, tune by ear. Neither ChipLoad nor the manufacturers are responsible for broken tools.
Find feeds & speeds
| Manufacturer | Bit | Type | Dia (in) | Fl | Material | Class | RPM | Feed IPM | Chip load (in) | Source |
|---|
Chip-load calculator → full calculator
Feed (IPM) = RPM × flutes × chip load
Edit the chip load to get the feed, or edit the feed to get the chip load.
Browse
Feeds & speeds by bit · By material · By machine · Calculator · Metal milling (beta)
Popular: 1/4" compression bit · 1/4" downcut · 1/8" upcut · Shapeoko 3/4, X-Carve, LongMill · Shapeoko 5 Pro, Onefinity · ShopSabre, Avid, CAMaster
Sources
- High Country Tools: https://www.highcountrytool.com/tool-libraries
- Sienci Labs: https://sienci.com/tool-libraries/
- Amana Tool: https://www.amanatool.com/pub/media/productattachments/Spektra-Coated-3D-Profiling-Feed-Chip-Load-Chart-v14.pdf
- Onsrud: https://www.onsrud.com/images/Hard%20Plywood.pdf
- Onsrud: https://onsrud.com/images/Soft%20Plastic.pdf
- Onsrud: https://onsrud.com/images/Hard%20Plastic.pdf
- Harvey Tool: https://harveyperformance.widen.net/content/y6bzguxmlo/pdf/SF_855900_M100.pdf
- Harvey Tool: https://www.harveytool.com/resources/general-machining-guidelines
- Freud: https://www.freudtools.com/public/assets/freud/downloadables/freudtools-router-bit-feed-and-speed-for-cnc-20170822.pdf
- Vortex Tool: https://www.vortextool.com/media/assets/chipLoadChart.pdf
- SpeTool: https://cdn.shopify.com/s/files/1/0404/1582/1977/files/SpeTool_spiral_Router_bits_8ae74723-4152-4436-82f7-8306b61437f3.pdf
- SpeTool: https://cdn.shopify.com/s/files/1/0404/1582/1977/files/SpeTool_O_flute_Router_bits_6f6a307e-6cfc-4ac0-9e8c-a2f7333e49b1.pdf
- SpeTool: https://cdn.shopify.com/s/files/1/0404/1582/1977/files/SpeTool_2D_3D_Tapered_router_bit_a51e0653-1672-4ba2-98bc-8852cde4fc0f.pdf
- SpeTool: https://cdn.shopify.com/s/files/1/0404/1582/1977/files/SpeTool_signmake_and_v_bit_b3225526-e109-43af-8d66-6338486f0cec.pdf
- Accupro (MSC Industrial): https://cdn.mscdirect.com/global/media/pdf/search/accupro/accupro-general-purpose-s-f.pdf
- Onsrud: https://www.onsrud.com/images/Routing%20with%20Polycarbonate%20Material.pdf
Get the CAM tool files straight from each manufacturer's page above. ChipLoad doesn't re-host them.