3/8" roundover bit feeds and speeds
45 sourced settings from High Country Tools. Published chip loads range from 0.00121 to 0.00798 in per tooth. Pick your material:
acrylic (5) · baltic birch plywood (5) · dense hardwood (maple, oak) (5) · epoxy resin (5) · hardwood (5) · hdpe / uhmw (5) · mdf (5) · melamine (5) · softwood (5)
| Manufacturer / bit | Material | Machine class | RPM | Feed IPM | Chip load (in) | Source |
|---|---|---|---|---|---|---|
| High Country Tools PRO-316 | Acrylic / PVC (hard plastic) | hobby-ultralight | 12000 | 45.3 | 0.00189 | source |
| High Country Tools PRO-316 | Plywood - Baltic birch | hobby-ultralight | 12000 | 34.4 | 0.00143 | source |
| High Country Tools PRO-316 | Hardwood - Dense (maple, oak, ash) | hobby-ultralight | 12000 | 32.6 | 0.00136 | source |
| High Country Tools PRO-316 | Epoxy / resin | hobby-ultralight | 12000 | 29 | 0.00121 | source |
| High Country Tools PRO-316 | Hardwood | hobby-ultralight | 12000 | 36.2 | 0.00151 | source |
| High Country Tools PRO-316 | HDPE / UHMW / nylon (soft plastic) | hobby-ultralight | 11500 | 48.6 | 0.00211 | source |
| High Country Tools PRO-316 | MDF / particleboard | hobby-ultralight | 12000 | 39.9 | 0.00166 | source |
| High Country Tools PRO-316 | Plywood - Melamine / laminate | hobby-ultralight | 12000 | 30.8 | 0.00128 | source |
| High Country Tools PRO-316 | Softwood (pine, cedar, fir) | hobby-ultralight | 12000 | 41.7 | 0.00174 | source |
| High Country Tools PRO-316 | Acrylic / PVC (hard plastic) | hobby-light | 12500 | 73.4 | 0.00294 | source |
| High Country Tools PRO-316 | Plywood - Baltic birch | hobby-light | 18000 | 80.3 | 0.00223 | source |
| High Country Tools PRO-316 | Hardwood - Dense (maple, oak, ash) | hobby-light | 18000 | 76.1 | 0.00211 | source |
| High Country Tools PRO-316 | Epoxy / resin | hobby-light | 14500 | 54.5 | 0.00188 | source |
| High Country Tools PRO-316 | Hardwood | hobby-light | 18000 | 84.5 | 0.00235 | source |
| High Country Tools PRO-316 | HDPE / UHMW / nylon (soft plastic) | hobby-light | 11500 | 75.6 | 0.00329 | source |
| High Country Tools PRO-316 | MDF / particleboard | hobby-light | 17000 | 87.8 | 0.00258 | source |
| High Country Tools PRO-316 | Plywood - Melamine / laminate | hobby-light | 18000 | 71.9 | 0.002 | source |
| High Country Tools PRO-316 | Softwood (pine, cedar, fir) | hobby-light | 17000 | 91.8 | 0.0027 | source |
| High Country Tools PRO-316 | Acrylic / PVC (hard plastic) | hobby-rigid | 12500 | 104.8 | 0.00419 | source |
| High Country Tools PRO-316 | Plywood - Baltic birch | hobby-rigid | 18000 | 114.7 | 0.00319 | source |
| High Country Tools PRO-316 | Hardwood - Dense (maple, oak, ash) | hobby-rigid | 18000 | 108.7 | 0.00302 | source |
| High Country Tools PRO-316 | Epoxy / resin | hobby-rigid | 14500 | 77.8 | 0.00268 | source |
| High Country Tools PRO-316 | Hardwood | hobby-rigid | 18000 | 120.8 | 0.00335 | source |
| High Country Tools PRO-316 | HDPE / UHMW / nylon (soft plastic) | hobby-rigid | 11500 | 108 | 0.0047 | source |
| High Country Tools PRO-316 | MDF / particleboard | hobby-rigid | 17000 | 125.5 | 0.00369 | source |
| High Country Tools PRO-316 | Plywood - Melamine / laminate | hobby-rigid | 18000 | 102.7 | 0.00285 | source |
| High Country Tools PRO-316 | Softwood (pine, cedar, fir) | hobby-rigid | 17000 | 131.2 | 0.00386 | source |
| High Country Tools PRO-316 | Acrylic / PVC (hard plastic) | business | 12500 | 146.8 | 0.00587 | source |
| High Country Tools PRO-316 | Plywood - Baltic birch | business | 18000 | 160.6 | 0.00446 | source |
| High Country Tools PRO-316 | Hardwood - Dense (maple, oak, ash) | business | 18000 | 152.2 | 0.00423 | source |
| High Country Tools PRO-316 | Epoxy / resin | business | 14500 | 109 | 0.00376 | source |
| High Country Tools PRO-316 | Hardwood | business | 18000 | 169.1 | 0.0047 | source |
| High Country Tools PRO-316 | HDPE / UHMW / nylon (soft plastic) | business | 11500 | 151.2 | 0.00658 | source |
| High Country Tools PRO-316 | MDF / particleboard | business | 17000 | 175.7 | 0.00517 | source |
| High Country Tools PRO-316 | Plywood - Melamine / laminate | business | 18000 | 143.7 | 0.00399 | source |
| High Country Tools PRO-316 | Softwood (pine, cedar, fir) | business | 17000 | 183.6 | 0.0054 | source |
| High Country Tools PRO-316 | Acrylic / PVC (hard plastic) | industrial | 12500 | 178.2 | 0.00713 | source |
| High Country Tools PRO-316 | Plywood - Baltic birch | industrial | 18000 | 195.1 | 0.00542 | source |
| High Country Tools PRO-316 | Hardwood - Dense (maple, oak, ash) | industrial | 18000 | 184.8 | 0.00513 | source |
| High Country Tools PRO-316 | Epoxy / resin | industrial | 14500 | 132.3 | 0.00456 | source |
| High Country Tools PRO-316 | Hardwood | industrial | 18000 | 205.3 | 0.0057 | source |
| High Country Tools PRO-316 | HDPE / UHMW / nylon (soft plastic) | industrial | 11500 | 183.6 | 0.00798 | source |
| High Country Tools PRO-316 | MDF / particleboard | industrial | 17000 | 213.3 | 0.00627 | source |
| High Country Tools PRO-316 | Plywood - Melamine / laminate | industrial | 18000 | 174.5 | 0.00485 | source |
| High Country Tools PRO-316 | Softwood (pine, cedar, fir) | industrial | 17000 | 223 | 0.00656 | source |
FAQ
What feeds and speeds for a 3/8" roundover bit on a hobby-ultralight CNC router?
Published manufacturer data (High Country Tools) gives a chip load of 0.00121–0.00211 in per tooth and a feed of 29–48.6 IPM (9 sourced rows). Start low and test in scrap.
What feeds and speeds for a 3/8" roundover bit on a hobby-light CNC router?
Published manufacturer data (High Country Tools) gives a chip load of 0.00188–0.00329 in per tooth and a feed of 54.5–91.8 IPM (9 sourced rows). Start low and test in scrap.
What feeds and speeds for a 3/8" roundover bit on a hobby-rigid CNC router?
Published manufacturer data (High Country Tools) gives a chip load of 0.00268–0.0047 in per tooth and a feed of 77.8–131.2 IPM (9 sourced rows). Start low and test in scrap.
What feeds and speeds for a 3/8" roundover bit on a business CNC router?
Published manufacturer data (High Country Tools) gives a chip load of 0.00376–0.00658 in per tooth and a feed of 109–183.6 IPM (9 sourced rows). Start low and test in scrap.
What feeds and speeds for a 3/8" roundover bit on a industrial CNC router?
Published manufacturer data (High Country Tools) gives a chip load of 0.00456–0.00798 in per tooth and a feed of 132.3–223 IPM (9 sourced rows). Start low and test in scrap.