{"product_id":"rubert-058-series-100-roughness-comparator-shot-blasting-ra-0-412-5-m-n5n10-6-patches","title":"Rubert 058 | Series 100 Roughness Comparator – Shot Blasting | Ra 0.4–12.5 µm, N5–N10, 6 Patches","description":"\u003cp\u003eDesigned for surfaces blasted with spherical shot, the Rubert 058 belongs to the heavy-duty Series 100 range built for the workshop floor. It provides 6 reference patches spanning Ra 0.4–12.5 µm (16–500 µin), roughness grades N5–N10. Machinists and inspectors use it to compare a shot blasting finish directly against known roughness values. A lightweight Microsurf equivalent (329) is offered for office and design use.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMachining method: Shot Blasting (spherical particles)\u003c\/li\u003e\n\u003cli\u003eNumber of patches: 6\u003c\/li\u003e\n\u003cli\u003eRa 0.4–12.5 µm \/ 16–500 µin\u003c\/li\u003e\n\u003cli\u003eRoughness grades N5–N10\u003c\/li\u003e\n\u003cli\u003eHeavy-duty Series 100 construction for workshop use\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Rubert","offers":[{"title":"Default Title","offer_id":67656277295217,"sku":"058","price":0.0,"currency_code":"AED","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0625\/3930\/0977\/files\/100-series-comparators.jpg?v=1791811098","url":"https:\/\/www.generaltechkuwait.com\/products\/rubert-058-series-100-roughness-comparator-shot-blasting-ra-0-412-5-m-n5n10-6-patches","provider":"General Tech Services LLC","version":"1.0","type":"link"}