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This tool is part of the LATHELAND full range and is supplied on quotation. Choose the size above, enter the quantity and send the form. We reply with price and delivery time, usually within one working day.
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Stainless, titanium & superalloys: Variable-helix, chip-breaker and roughing end mills that resist chatter in tough, sticky materials.
Price on request. This tool is part of the LATHELAND full range and is supplied on quotation. Choose the size and send the quote form, or email info@latheland.com with the SKU and quantity. We reply with price and delivery time, usually within one working day.
| Series | ST21 |
| Material | Solid carbide |
| Coating | AlCrN |
| Flutes | 4 |
| Helix angle | 40° |
| Workpiece hardness | up to 45 HRC |
| Best for | steel, stainless steel, cast iron, titanium & superalloys |
| Range | Ø0.2–4 mm |
| Sizes available | 134 |
| Price | On request – supplied on quotation |
| SKU | Ø D | l1 | l2 | L | d1 | d2 |
|---|---|---|---|---|---|---|
| LL-ST21-0.2x50 | 0.2 | 0.3 | 50 | 0.17 | 4 | |
| LL-ST21-0.2x50N0.5 | 0.2 | 0.3 | 0.5 | 50 | 0.17 | 4 |
| LL-ST21-0.2x50N1 | 0.2 | 0.3 | 1 | 50 | 0.17 | 4 |
| LL-ST21-0.2x50N1.5 | 0.2 | 0.3 | 1.5 | 50 | 0.17 | 4 |
| LL-ST21-0.3x50 | 0.3 | 0.4 | 50 | 0.27 | 4 | |
| LL-ST21-0.3x50N1 | 0.3 | 0.4 | 1 | 50 | 0.27 | 4 |
| LL-ST21-0.3x50N2 | 0.3 | 0.4 | 2 | 50 | 0.27 | 4 |
| LL-ST21-0.3x50N3 | 0.3 | 0.4 | 3 | 50 | 0.27 | 4 |
| LL-ST21-0.4x50 | 0.4 | 0.6 | 50 | 0.37 | 4 | |
| LL-ST21-0.4x50N2 | 0.4 | 0.6 | 2 | 50 | 0.37 | 4 |
| LL-ST21-0.4x50N3 | 0.4 | 0.6 | 3 | 50 | 0.37 | 4 |
| LL-ST21-0.4x50N4 | 0.4 | 0.6 | 4 | 50 | 0.37 | 4 |
| LL-ST21-0.4x50N5 | 0.4 | 0.6 | 5 | 50 | 0.37 | 4 |
| LL-ST21-0.5x50 | 0.5 | 0.7 | 50 | 0.45 | 4 | |
| LL-ST21-0.5x50N2 | 0.5 | 0.7 | 2 | 50 | 0.45 | 4 |
| LL-ST21-0.5x50N4 | 0.5 | 0.7 | 4 | 50 | 0.45 | 4 |
| LL-ST21-0.5x50N6 | 0.5 | 6 | 50 | 4 | ||
| LL-ST21-0.5x50N8 | 0.5 | 0.7 | 8 | 50 | 0.45 | 4 |
| LL-ST21-0.6x50 | 0.6 | 0.9 | 50 | 0.55 | 4 | |
| LL-ST21-0.6x50N2 | 0.6 | 0.9 | 2 | 50 | 0.55 | 4 |
| LL-ST21-0.6x50N4 | 0.6 | 0.9 | 4 | 50 | 0.55 | 4 |
| LL-ST21-0.6x50N6 | 0.6 | 0.9 | 6 | 50 | 0.55 | 4 |
| LL-ST21-0.6x50N8 | 0.6 | 0.9 | 8 | 50 | 0.55 | 4 |
| LL-ST21-0.6x50N10 | 0.6 | 0.9 | 10 | 50 | 0.55 | 4 |
| LL-ST21-0.7x50 | 0.7 | 1 | 50 | 0.65 | 4 | |
| LL-ST21-0.7x50N2 | 0.7 | 1 | 2 | 50 | 0.65 | 4 |
| LL-ST21-0.7x50N4 | 0.7 | 1 | 4 | 50 | 0.65 | 4 |
| LL-ST21-0.7x50N6 | 0.7 | 1 | 6 | 50 | 0.65 | 4 |
| LL-ST21-0.7x50N8 | 0.7 | 1 | 8 | 50 | 0.65 | 4 |
| LL-ST21-0.7x50N10 | 0.7 | 1 | 10 | 50 | 0.65 | 4 |
| LL-ST21-0.8x50 | 0.8 | 1.2 | 50 | 0.75 | 4 | |
| LL-ST21-0.8x50N4 | 0.8 | 1.2 | 4 | 50 | 0.75 | 4 |
| LL-ST21-0.8x50N6 | 0.8 | 1.2 | 6 | 50 | 0.75 | 4 |
| LL-ST21-0.8x50N8 | 0.8 | 1.2 | 8 | 50 | 0.75 | 4 |
| LL-ST21-0.8x50N10 | 0.8 | 1.2 | 10 | 50 | 0.75 | 4 |
| LL-ST21-0.8x50N12 | 0.8 | 1.2 | 12 | 50 | 0.75 | 4 |
| LL-ST21-0.9x50 | 0.9 | 1.4 | 50 | 0.85 | 4 | |
| LL-ST21-0.9x50N6 | 0.9 | 1.4 | 6 | 50 | 0.85 | 4 |
| LL-ST21-0.9x50N8 | 0.9 | 8 | 50 | 4 | ||
| LL-ST21-0.9x50N10 | 0.9 | 1.4 | 10 | 50 | 0.85 | 4 |
| LL-ST21-0.9x50N15 | 0.9 | 1.4 | 15 | 50 | 0.85 | 4 |
| LL-ST21-1x50 | 1 | 1.5 | 50 | 0.9 | 4 | |
| LL-ST21-1x50N6 | 1 | 1.5 | 6 | 50 | 0.9 | 4 |
| LL-ST21-1x50N8 | 1 | 8 | 50 | 4 | ||
| LL-ST21-1x50N10 | 1 | 1.5 | 10 | 50 | 0.9 | 4 |
| LL-ST21-1x50N12 | 1 | 1.5 | 12 | 50 | 0.9 | 4 |
| LL-ST21-1x50N14 | 1 | 1.5 | 14 | 50 | 0.9 | 4 |
| LL-ST21-1x50N16 | 1 | 1.5 | 16 | 50 | 0.9 | 4 |
| LL-ST21-1.2x50 | 1.2 | 1.8 | 50 | 1.1 | 4 | |
| LL-ST21-1.2x50N6 | 1.2 | 1.8 | 6 | 50 | 1.1 | 4 |
| LL-ST21-1.2x50N8 | 1.2 | 1.8 | 8 | 50 | 1.1 | 4 |
| LL-ST21-1.2x50N10 | 1.2 | 1.8 | 10 | 50 | 1.1 | 4 |
| LL-ST21-1.2x50N12 | 1.2 | 1.8 | 12 | 50 | 1.1 | 4 |
| LL-ST21-1.4x50 | 1.4 | 1.8 | 50 | 1.3 | 4 | |
| LL-ST21-1.4x50N6 | 1.4 | 2.1 | 6 | 50 | 1.3 | 4 |
| LL-ST21-1.4x50N8 | 1.4 | 2.1 | 8 | 50 | 1.3 | 4 |
| LL-ST21-1.4x50N10 | 1.4 | 2.1 | 10 | 50 | 1.3 | 4 |
| LL-ST21-1.4x50N12 | 1.4 | 2.1 | 12 | 50 | 1.3 | 4 |
| LL-ST21-1.4x50N14 | 1.4 | 2.1 | 14 | 50 | 1.3 | 4 |
| LL-ST21-1.4x50N16 | 1.4 | 2.1 | 16 | 50 | 1.3 | 4 |
| LL-ST21-1.5x50 | 1.5 | 2.1 | 50 | 1.4 | 4 | |
| LL-ST21-1.5x50N6 | 1.5 | 2.3 | 6 | 50 | 1.4 | 4 |
| LL-ST21-1.5x50N8 | 1.5 | 2.3 | 8 | 50 | 1.4 | 4 |
| LL-ST21-1.5x50N10 | 1.5 | 2.3 | 10 | 50 | 1.4 | 4 |
| LL-ST21-1.5x50N12 | 1.5 | 2.3 | 12 | 50 | 1.4 | 4 |
| LL-ST21-1.5x50N14 | 1.5 | 2.3 | 14 | 50 | 1.4 | 4 |
| LL-ST21-1.5x50N16 | 1.5 | 2.3 | 16 | 50 | 1.4 | 4 |
| LL-ST21-1.5x60 | 1.5 | 2.3 | 60 | 1.4 | 4 | |
| LL-ST21-1.5x60N18 | 1.5 | 2.3 | 18 | 60 | 1.4 | 4 |
| LL-ST21-1.5x60N20 | 1.5 | 2.3 | 20 | 60 | 1.4 | 4 |
| LL-ST21-1.6x50 | 1.6 | 2.4 | 50 | 1.5 | 4 | |
| LL-ST21-1.6x50N6 | 1.6 | 2.4 | 6 | 50 | 1.5 | 4 |
| LL-ST21-1.6x50N8 | 1.6 | 2.4 | 8 | 50 | 1.5 | 4 |
| LL-ST21-1.6x50N10 | 1.6 | 2.4 | 10 | 50 | 1.5 | 4 |
| LL-ST21-1.6x50N12 | 1.6 | 2.4 | 12 | 50 | 1.5 | 4 |
| LL-ST21-1.6x50N14 | 1.6 | 2.4 | 14 | 50 | 1.5 | 4 |
| LL-ST21-1.6x50N16 | 1.6 | 2.4 | 16 | 50 | 1.5 | 4 |
| LL-ST21-1.6x60 | 1.6 | 2.4 | 60 | 1.5 | 4 | |
| LL-ST21-1.6x60N18 | 1.6 | 2.4 | 18 | 60 | 1.5 | 4 |
| LL-ST21-1.6x60N20 | 1.6 | 2.4 | 20 | 60 | 1.5 | 4 |
| LL-ST21-1.8x50 | 1.8 | 2.7 | 50 | 1.7 | 4 | |
| LL-ST21-1.8x50N6 | 1.8 | 2.7 | 6 | 50 | 1.7 | 4 |
| LL-ST21-1.8x50N8 | 1.8 | 2.7 | 8 | 50 | 1.7 | 4 |
| LL-ST21-1.8x50N10 | 1.8 | 2.7 | 10 | 50 | 1.7 | 4 |
| LL-ST21-1.8x50N12 | 1.8 | 2.7 | 12 | 50 | 1.7 | 4 |
| LL-ST21-1.8x50N14 | 1.8 | 2.7 | 14 | 50 | 1.7 | 4 |
| LL-ST21-1.8x50N16 | 1.8 | 2.7 | 16 | 50 | 1.7 | 4 |
| LL-ST21-1.8x60 | 1.8 | 2.7 | 60 | 1.7 | 4 | |
| LL-ST21-1.8x60N18 | 1.8 | 2.7 | 18 | 60 | 1.7 | 4 |
| LL-ST21-1.8x60N20 | 1.8 | 3 | 20 | 60 | 1.7 | 4 |
| LL-ST21-2x50 | 2 | 3 | 50 | 1.9 | 4 | |
| LL-ST21-2x50N6 | 2 | 3 | 6 | 50 | 1.9 | 4 |
| LL-ST21-2x50N8 | 2 | 3 | 8 | 50 | 1.9 | 4 |
| LL-ST21-2x50N10 | 2 | 3 | 10 | 50 | 1.9 | 4 |
| LL-ST21-2x50N12 | 2 | 3 | 12 | 50 | 1.9 | 4 |
| LL-ST21-2x50N14 | 2 | 3 | 14 | 50 | 1.9 | 4 |
| LL-ST21-2x50N16 | 2 | 3 | 16 | 50 | 1.9 | 4 |
| LL-ST21-2x60 | 2 | 3 | 60 | 1.9 | 4 | |
| LL-ST21-2x60N18 | 2 | 3 | 18 | 60 | 1.9 | 4 |
| LL-ST21-2x60N20 | 2 | 3 | 20 | 60 | 1.9 | 4 |
| LL-ST21-2x75 | 2 | 3 | 75 | 1.9 | 4 | |
| LL-ST21-2x75N25 | 2 | 3 | 25 | 75 | 1.9 | 4 |
| LL-ST21-2x75N30 | 2 | 3 | 30 | 75 | 1.9 | 4 |
| LL-ST21-2.5x50 | 2.5 | 3 | 50 | 2.4 | 4 | |
| LL-ST21-2.5x50N8 | 2.5 | 3.7 | 8 | 50 | 2.4 | 4 |
| LL-ST21-2.5x50N10 | 2.5 | 3.7 | 10 | 50 | 2.4 | 4 |
| LL-ST21-2.5x50N12 | 2.5 | 3.7 | 12 | 50 | 2.4 | 4 |
| LL-ST21-2.5x50N14 | 2.5 | 3.7 | 14 | 50 | 2.4 | 4 |
| LL-ST21-2.5x50N16 | 2.5 | 3.7 | 16 | 50 | 2.4 | 4 |
| LL-ST21-2.5x60 | 2.5 | 3.7 | 60 | 2.4 | 4 | |
| LL-ST21-2.5x60N18 | 2.5 | 3.7 | 18 | 60 | 2.4 | 4 |
| LL-ST21-2.5x60N20 | 2.5 | 3.7 | 20 | 60 | 2.4 | 4 |
| LL-ST21-2.5x60N25 | 2.5 | 3.7 | 25 | 60 | 2.4 | 4 |
| LL-ST21-2.5x75 | 2.5 | 3.7 | 75 | 2.4 | 4 | |
| LL-ST21-2.5x75N30 | 2.5 | 30 | 75 | 2.4 | 4 | |
| LL-ST21-3x50 | 3 | 4.5 | 50 | 2.8 | 6 | |
| LL-ST21-3x50N8 | 3 | 4.5 | 8 | 50 | 2.8 | 6 |
| LL-ST21-3x50N10 | 3 | 4.5 | 10 | 50 | 2.8 | 6 |
| LL-ST21-3x50N12 | 3 | 4.5 | 12 | 50 | 2.8 | 6 |
| LL-ST21-3x50N14 | 3 | 4.5 | 14 | 50 | 2.8 | 6 |
| LL-ST21-3x60 | 3 | 4.5 | 60 | 2.8 | 6 | |
| LL-ST21-3x60N16 | 3 | 4.5 | 16 | 60 | 2.8 | 6 |
| LL-ST21-3x60N18 | 3 | 4.5 | 18 | 60 | 2.8 | 6 |
| LL-ST21-3x60N20 | 3 | 4.5 | 20 | 60 | 2.8 | 6 |
| LL-ST21-3x75 | 3 | 4.5 | 75 | 2.8 | 6 | |
| LL-ST21-3x75N25 | 3 | 4.5 | 25 | 75 | 2.8 | 6 |
| LL-ST21-4x60 | 4 | 4.5 | 60 | 3.7 | 6 | |
| LL-ST21-4x60N10 | 4 | 4.5 | 10 | 60 | 3.7 | 6 |
| LL-ST21-4x60N15 | 4 | 4.5 | 15 | 60 | 3.7 | 6 |
| LL-ST21-4x60N20 | 4 | 4.5 | 20 | 60 | 3.7 | 6 |
| LL-ST21-4x75 | 4 | 4.5 | 75 | 3.7 | 6 | |
| LL-ST21-4x75N25 | 4 | 4.5 | 25 | 75 | 3.7 | 6 |
| LL-ST21-4x75N30 | 4 | 4.5 | 30 | 75 | 3.7 | 6 |
| LL-ST21-4x75N40 | 4 | 4.5 | 40 | 75 | 3.7 | 6 |
Dimensions are confirmed on each quotation.
Speak to us. We design and supply special diameters, lengths, corner radii, profiles and step tools. Send a drawing or a sketch to info@latheland.com or call +44 7727 992812.
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