50mm Ruby Ball Needle Stylus 5mm Tip Diameter

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EMG Precision 50mm M4 Stylus | 2.5mm Tungsten Carbide Stem | 5mm Ruby Ball Needle | Precision Ruby Ball | EWL 37.9 mm. Renishaw Equivalent: A-5003-4800.
A EMG Precision 50mm M4 Stylus | 2.5mm Tungsten Carbide Stem | 5mm Ruby Ball Needle | Precision Ruby Ball | EWL 37.9 mm A stylus for use on coordinate measuring machines (CMM) or systems like machine tool probes. Perfect for use with CNC Touch Probes on machine shop machine centres, lathes and inspection & digitising machines.Straight styli are used to detect easily reachable features on the measured surface. Ruby, as the hardest of all stylus tip materials, is the perfect choice for most applications. Stainless steel is the primary material of choice for high-strength precision styli and extensions if weight can be disregarded. Because of the adhesive material build up, the scanning of aluminium surfaces with ruby tips is not recommended. Dimensional Drawing Specification [D3] Ball/Tip Diameter=5mm [L1] Total Length=50mm [L] Effective Working Length (EWL)=37.9 mm [D4 ]Screw Thread Diameter=M4 [2] Stem Material=Tungsten Carbide Contact Feature Type=Ball Contact Ball/Tip Material=Precision Ruby Ball Type=Ruby Ball Needle Equivalent Renishaw Product Code=A-5003-4800 Supplied in a plastic storage box. Other Notes A probe stylus is a precision, delicate instrument and should be treated with care and consideration to avoid damage. Check out our Brief Introduction to Probing Styli article (Technical Specifications Included) through the link below under Downloads & Technical Documents

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Straight styli are designed to inspect simple features where direct, unobstructed contact with a measured surface is possible. A ceramic stem is lightweight yet very stiff and offers built-in crash protection. Ruby is regarded as the industry standard for stylus tips. It is one of the hardest materials available and suitable for most applications. Due to adhesive pickup, ruby tips are not recommended for scanning aluminium parts.