{"product_id":"rubert-317-microsurf-roughness-comparator-flat-lapping-ra-0-025-0-2-m-n1-n4-4-4-patches","title":"Rubert 317 | Microsurf Roughness Comparator – Flat Lapping | Ra 0.025–0.2 µm, N1–N4, 4 + 4 Patches","description":"\u003cp\u003eCovering Ra 0.025–0.2 µm, with Rz 0.4–1.0 µm for the criss-cross lay and 0.4–1.6 µm for the parallel lay (N1–N4) across 4 + 4 patches, the Rubert 317 is the Microsurf comparator for flat-lapped faces with criss-cross and parallel lay. As part of the lightweight 300 series it is designed for office and design use rather than the workshop, and it is packed in a plastic wallet with an instruction card. For workshop use, the heavy-duty Series 100 equivalent is the 117.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMachining method: Flat Lapping (criss-cross \/ parallel)\u003c\/li\u003e\n\u003cli\u003eNumber of patches: 4 + 4\u003c\/li\u003e\n\u003cli\u003eRa 0.025–0.2 µm, roughness grades N1–N4\u003c\/li\u003e\n\u003cli\u003eRz Criss-cross 0.4–1.0, parallel 0.4–1.6 µm\u003c\/li\u003e\n\u003cli\u003eLightweight Microsurf format in a plastic wallet with instruction card\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Rubert","offers":[{"title":"Default Title","offer_id":67656279261297,"sku":"317","price":0.0,"currency_code":"AED","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0625\/3930\/0977\/files\/microsurf_56c8a4fc-52ce-4a00-a65e-e8836d6fce92.jpg?v=1791811281","url":"https:\/\/www.generaltechshop.sa\/products\/rubert-317-microsurf-roughness-comparator-flat-lapping-ra-0-025-0-2-m-n1-n4-4-4-patches","provider":"General Tech Services LLC","version":"1.0","type":"link"}