Two flute ball nose cutters for 3D copying, contouring and mould work in graphite, resin, foam board, wood and plastic. Right hand helix, right hand cut. The full radius tip (R = D/2) blends adjacent passes so stepover marks disappear with a fine finishing pass.
117000 Series - centre cut, XXL long shank
- 117317 - CED 1/8", CEL 5/8", shank 1/4", OAL 3-1/4", shank length 2-1/2"
- 117635 - CED 1/4", CEL 1-1/4", shank 1/4", OAL 5-1/8"
185000 Series - centre cut, standard long length
- 185476 - CED 3/16", CEL 1-1/4", shank 3/16", OAL 2-3/4"
- 185952 - CED 3/8", CEL 1-1/2", shank 3/8", OAL 4"
Image shows the equivalent LMT Onsrud solid carbide ball nose upcut spiral.
Replacement tool
Belin cutting tools transitioned to the LMT Onsrud brand effective January 1, 2026, and are now produced and etched as LMT Onsrud product. When these final Belin sizes are gone they will not be restocked.
Closest current equivalent: LMT Onsrud 52-200B/BL Series Ball Nose. LMT did not publish a one-to-one crossover for this series, so confirm the size before ordering.
Not sure which size you need? Contact us with your Belin part number and we will match it to the right Onsrud tool.
