![Renishaw M2 Stylus, M2 Ø1.5 mm Silicon Nitride Ball, SS Stem, L 10, EWL 4.5 [A-5004-1918]](https://cdn11.bigcommerce.com/s-82x61ffcq2/images/stencil/1280x1280/products/134/1750/A-5004-1918__70849.1769027628.jpg?c=2 "Renishaw M2 Stylus, M2 Ø1.5 mm Silicon Nitride Ball, SS Stem, L 10, EWL 4.5 [A-5004-1918]")
![Renishaw M2 Stylus, M2 Ø1.5 mm Silicon Nitride Ball, SS Stem, L 10, EWL 4.5 [A-5004-1918]](https://cdn11.bigcommerce.com/s-82x61ffcq2/images/stencil/500x659/products/134/1750/A-5004-1918__70849.1769027628.jpg?c=2 "Renishaw M2 Stylus, M2 Ø1.5 mm Silicon Nitride Ball, SS Stem, L 10, EWL 4.5 [A-5004-1918]")
![Renishaw M2 Stylus, M2 Ø1.5 mm Silicon Nitride Ball, SS Stem, L 10, EWL 4.5 [A-5004-1918]](https://cdn11.bigcommerce.com/s-82x61ffcq2/images/stencil/500x659/products/134/1751/A-5000-7557-2__86215.1534432666.jpg?c=2 "Renishaw M2 Stylus, M2 Ø1.5 mm Silicon Nitride Ball, SS Stem, L 10, EWL 4.5 [A-5004-1918]")
Product Description
Renishaw M2 Stylus, M2 Ø1.5 mm Silicon Nitride Ball, SS Stem, L 10, EWL 4.5 [A-5004-1918]
This straight stylus features a highly spherical 1.5 mm silicon nitride ball mounted on a stainless steel stem. Silicon nitride is extremely hard and wear-resistant, minimizing stylus wear, while its low density keeps tip mass low to avoid unwanted probe triggers during measurement.
Specifications:
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Thread Type: M2
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Ball Diameter: Ø1.5 mm
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Overall Length (L): 10 mm
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Stem Diameter (SD): 0.7 mm
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Effective Working Length (EWL): 4.5 mm
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Ball Material: Silicon Nitride
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Stem Material: Stainless Steel
Silicon nitride balls are ideal for aggressive scanning applications on softer metals where adhesive wear can occur with ruby. Stainless steel stems provide excellent stiffness and ball/stem clearance for styli with diameters of 2 mm or greater and lengths up to 30 mm. Other stem materials like tungsten carbide, ceramic, or carbon fiber (“Renishaw GF”) are available for specialized applications.
