LMT Onsrud 63-700 Series – Solid Carbide Upcut Spiral O-Flute for Hard Plastics
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SKU: 63-713 LMT Onsrud
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The 63-700 is Onsrud's single-flute upcut O-flute for hard plastics. It's made for a smooth finished edge in acrylic, polycarbonate and similar rigid sheet.
Hard plastics melt if the cut gets hot. The single O-flute takes a full-size chip and the upcut spiral lifts it clear, so the heat leaves with the chip instead of building up in the part. That gives you a clean edge rather than a re-welded, gummy one.
Where it fits
- Acrylic and polycarbonate: sign faces, displays, guards and fabricated parts.
- Other rigid plastics: material that cuts cleanly as a chip rather than smearing.
- Special Point versions (63-743 to 63-746): a pointed tip for plunging and fine detail work.
Choosing a size
27 part numbers, from 1/16" to 1/2" cutting diameter and 1/4" to 1-5/8" cut length, on 1/8" to 1/2" shanks. For soft plastics and foam, the 63-750 and 52-700 series are the better fit.
LMT Onsrud 63-700 Series part numbers
This series is available as 27 part numbers: 63-700, 63-701, 63-706, 63-707, 63-710, 63-711, 63-712, 63-713, 63-715, 63-716, 63-717, 63-718, 63-719, 63-720, 63-724, 63-725, 63-726, 63-727, 63-730, 63-731, 63-733, 63-735, 63-740, 63-743, 63-744, 63-745, 63-746. Select the one you need from the dropdown above. Current price for each part number is shown above.
| Part number | Cutting Edge Diameter | Cutting Edge Length | Shank Diameter |
|---|---|---|---|
| 63-700 | 1/16" | 1/4" | 1/4" |
| 63-701 | 1/16" | 1/4" | 1/8" |
| 63-706 | 1/8" | 5/8" | 1/4" |
| 63-707 | 1/8" | 3/4" | 1/4" |
| 63-710 | 1/8" | 1/4" | 1/4" |
| 63-711 | 1/8" | 1/4" | 1/8" |
| 63-712 | 1/8" | 1/2" | 1/4" |
| 63-713 | 1/8" | 1/2" | 1/8" |
| 63-715 | 5/32" | 9/16" | 1/4" |
| 63-716 | 3/16" | 3/8" | 3/16" |
| 63-717 | 3/16" | 3/8" | 1/4" |
| 63-718 | 3/16" | 5/8" | 1/4" |
| 63-719 | 3/16" | 5/8" | 3/16" |
| 63-720 | 7/32" | 3/4" | 1/4" |
| 63-724 | 1/4" | 3/8" | 1/4" |
| 63-725 | 1/4" | 3/4" | 1/4" |
| 63-726 | 1/4" | 1-1/4" | 1/4" |
| 63-727 | 1/4" | 1-1/2" | 1/4" |
| 63-730 | 3/8" | 5/8" | 3/8" |
| 63-731 | 3/8" | 3/4" | 3/8" |
| 63-733 | 3/8" | 1-1/8" | 3/8" |
| 63-735 | 3/8" | 1-5/8" | 3/8" |
| 63-740 | 1/2" | 1-5/8" | 1/2" |
| 63-743 | 1/8" | 1/2" - Special Point | 1/4" |
| 63-744 | 1/4" | 3/4" - Special Point | 1/4" |
| 63-745 | 3/8" | 1-5/8" - Special Point | 3/8" |
| 63-746 | 1/2" | 1-5/8" - Special Point | 1/2" |
◎ Special point Ground with a special point for improved bottom finish — 63-745, 63-746, 63-743, 63-744.
