High Country Tools BN-12-DLC
BN-12-DLC - 1/2" 2-Flute Ball Nose End Mill
Type: ball nose bit · Diameter: 0.5" · Flutes: 2 · Shank: 0.5"
Starting points only, copied from the makers' own published data. Every machine differs: test in scrap, tune by ear. Neither ChipLoad nor the makers are responsible for broken tools.
Published values, summarized per material and machine class. For the full CAM library (plunge, depth, stepover), download it from the maker.
| Material | Machine class | RPM | Feed IPM | Chip load (in) | Note | Source |
|---|---|---|---|---|---|---|
| Acrylic / PVC (hard plastic) | hobby-ultralight | 12000 | 56.3 | 0.00234 | High Country Tools starting point | High Country Tools |
| Acrylic / PVC (hard plastic) | hobby-light | 12500 | 91.2 | 0.00365 | High Country Tools starting point | High Country Tools |
| Acrylic / PVC (hard plastic) | hobby-rigid | 12500 | 130.2 | 0.00521 | High Country Tools starting point | High Country Tools |
| Acrylic / PVC (hard plastic) | business | 12500 | 182.3 | 0.00729 | High Country Tools starting point ✓ Cross-checked | High Country Tools |
| Acrylic / PVC (hard plastic) | industrial | 12500 | 221.4 | 0.00885 | High Country Tools starting point ✓ Cross-checked | High Country Tools |
| Aluminum 6061 | hobby-light | 16000 | 51.3 | 0.0016 | High Country Tools starting point | High Country Tools |
| Aluminum 6061 | hobby-rigid | 16000 | 73.3 | 0.00229 | High Country Tools starting point | High Country Tools |
| Aluminum 6061 | business | 16000 | 102.7 | 0.00321 | High Country Tools starting point ⚠ Outlier (for review): ours 0.00321" vs median 0.009" of 3 other maker(s): Amana Tool, Freud, Vortex (-64%) | High Country Tools |
| Aluminum 6061 | industrial | 16000 | 124.7 | 0.0039 | High Country Tools starting point ✓ Cross-checked | High Country Tools |
| Epoxy / resin | hobby-ultralight | 12000 | 36.0 | 0.0015 | High Country Tools starting point | High Country Tools |
| Epoxy / resin | hobby-light | 14500 | 67.7 | 0.00233 | High Country Tools starting point | High Country Tools |
| Epoxy / resin | hobby-rigid | 14500 | 96.7 | 0.00333 | High Country Tools starting point | High Country Tools |
| Epoxy / resin | business | 14500 | 135.3 | 0.00467 | High Country Tools starting point ✓ Cross-checked | High Country Tools |
| Epoxy / resin | industrial | 14500 | 164.3 | 0.00567 | High Country Tools starting point ✓ Cross-checked | High Country Tools |
| HDPE / UHMW / nylon (soft plastic) | hobby-ultralight | 11500 | 60.4 | 0.00263 | High Country Tools starting point | High Country Tools |
| HDPE / UHMW / nylon (soft plastic) | hobby-light | 11500 | 93.9 | 0.00408 | High Country Tools starting point | High Country Tools |
| HDPE / UHMW / nylon (soft plastic) | hobby-rigid | 11500 | 134.2 | 0.00583 | High Country Tools starting point | High Country Tools |
| HDPE / UHMW / nylon (soft plastic) | business | 11500 | 187.8 | 0.00817 | High Country Tools starting point ✓ Cross-checked | High Country Tools |
| HDPE / UHMW / nylon (soft plastic) | industrial | 11500 | 228.1 | 0.00992 | High Country Tools starting point ✓ Cross-checked | High Country Tools |
| Hardwood | hobby-ultralight | 12000 | 45.0 | 0.00188 | High Country Tools starting point | High Country Tools |
| Hardwood | hobby-light | 18000 | 105.0 | 0.00292 | High Country Tools starting point | High Country Tools |
| Hardwood | hobby-rigid | 18000 | 150.0 | 0.00417 | High Country Tools starting point | High Country Tools |
| Hardwood | business | 18000 | 210.0 | 0.00583 | High Country Tools starting point ⚠ Outlier (for review): ours 0.00583" vs median 0.0195" of 3 other maker(s): Freud, SpeTool, Vortex (-70%) | High Country Tools |
| Hardwood | industrial | 18000 | 255.0 | 0.00708 | High Country Tools starting point ⚠ Outlier (for review): ours 0.00708" vs median 0.0195" of 3 other maker(s): Freud, SpeTool, Vortex (-64%) | High Country Tools |
| Hardwood - Dense (maple, oak, ash) | hobby-ultralight | 12000 | 40.5 | 0.00169 | High Country Tools starting point | High Country Tools |
| Hardwood - Dense (maple, oak, ash) | hobby-light | 18000 | 94.5 | 0.00263 | High Country Tools starting point | High Country Tools |
| Hardwood - Dense (maple, oak, ash) | hobby-rigid | 18000 | 135.0 | 0.00375 | High Country Tools starting point | High Country Tools |
| Hardwood - Dense (maple, oak, ash) | business | 18000 | 189.0 | 0.00525 | High Country Tools starting point ⚠ Outlier (for review): ours 0.00525" vs median 0.0195" of 3 other maker(s): Freud, SpeTool, Vortex (-73%) | High Country Tools |
| Hardwood - Dense (maple, oak, ash) | industrial | 18000 | 229.5 | 0.00638 | High Country Tools starting point ⚠ Outlier (for review): ours 0.00638" vs median 0.0195" of 3 other maker(s): Freud, SpeTool, Vortex (-67%) | High Country Tools |
| MDF / particleboard | hobby-ultralight | 12000 | 49.5 | 0.00206 | High Country Tools starting point | High Country Tools |
| MDF / particleboard | hobby-light | 17000 | 109.1 | 0.00321 | High Country Tools starting point | High Country Tools |
| MDF / particleboard | hobby-rigid | 17000 | 155.8 | 0.00458 | High Country Tools starting point | High Country Tools |
| MDF / particleboard | business | 17000 | 218.2 | 0.00642 | High Country Tools starting point ⚠ Outlier (for review): ours 0.00642" vs median 0.019" of 5 other maker(s): Amana Tool, Freud, Onsrud, SpeTool, Vortex (-66%) | High Country Tools |
| MDF / particleboard | industrial | 17000 | 264.9 | 0.00779 | High Country Tools starting point ✓ Cross-checked | High Country Tools |
| Plywood - Baltic birch | hobby-ultralight | 12000 | 42.8 | 0.00178 | High Country Tools starting point | High Country Tools |
| Plywood - Baltic birch | hobby-light | 18000 | 99.8 | 0.00277 | High Country Tools starting point | High Country Tools |
| Plywood - Baltic birch | hobby-rigid | 18000 | 142.5 | 0.00396 | High Country Tools starting point | High Country Tools |
| Plywood - Baltic birch | business | 18000 | 199.5 | 0.00554 | High Country Tools starting point ⚠ Outlier (for review): ours 0.00554" vs median 0.0195" of 3 other maker(s): Amana Tool, Freud, Vortex (-72%) | High Country Tools |
| Plywood - Baltic birch | industrial | 18000 | 242.3 | 0.00673 | High Country Tools starting point ⚠ Outlier (for review): ours 0.00673" vs median 0.0195" of 3 other maker(s): Amana Tool, Freud, Vortex (-65%) | High Country Tools |
| Plywood - Melamine / laminate | hobby-ultralight | 12000 | 38.3 | 0.00159 | High Country Tools starting point | High Country Tools |
| Plywood - Melamine / laminate | hobby-light | 18000 | 89.3 | 0.00248 | High Country Tools starting point | High Country Tools |
| Plywood - Melamine / laminate | hobby-rigid | 18000 | 127.5 | 0.00354 | High Country Tools starting point | High Country Tools |
| Plywood - Melamine / laminate | business | 18000 | 178.5 | 0.00496 | High Country Tools starting point ⚠ Outlier (for review): ours 0.00496" vs median 0.0195" of 3 other maker(s): Amana Tool, Freud, Vortex (-75%) | High Country Tools |
| Plywood - Melamine / laminate | industrial | 18000 | 216.8 | 0.00602 | High Country Tools starting point ⚠ Outlier (for review): ours 0.00602" vs median 0.0195" of 3 other maker(s): Amana Tool, Freud, Vortex (-69%) | High Country Tools |
| Softwood (pine, cedar, fir) | hobby-ultralight | 12000 | 51.8 | 0.00216 | High Country Tools starting point | High Country Tools |
| Softwood (pine, cedar, fir) | hobby-light | 17000 | 114.1 | 0.00335 | High Country Tools starting point | High Country Tools |
| Softwood (pine, cedar, fir) | hobby-rigid | 17000 | 162.9 | 0.00479 | High Country Tools starting point | High Country Tools |
| Softwood (pine, cedar, fir) | business | 17000 | 228.1 | 0.00671 | High Country Tools starting point ✓ Cross-checked | High Country Tools |
| Softwood (pine, cedar, fir) | industrial | 17000 | 277.0 | 0.00815 | High Country Tools starting point ✓ Cross-checked | High Country Tools |
Retrieved 2026-10-16. Get the tool file from the maker: High Country Tools downloads
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