{"product_id":"master-setting-disc","title":"Master Setting Disc (SDL \/ SDS)","description":"\u003cp\u003eMaster setting discs set air rings, snap gages and ring gages. They are lapped and polished, in steel or chrome, from .150″ to 14.510″ (3.81 to 368.55 mm).\u003c\/p\u003e\n\u003ch2\u003eTwo styles\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eCode\u003c\/th\u003e\n\u003cth\u003eANSI B47.1 style\u003c\/th\u003e\n\u003cth\u003eUse\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSDL\u003c\/td\u003e\n\u003ctd\u003eStyle 1, full length\u003c\/td\u003e\n\u003ctd\u003eLonger disc, for gages set in a fixture or by hand\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSDS\u003c\/td\u003e\n\u003ctd\u003eStyle 3, short\u003c\/td\u003e\n\u003ctd\u003eShorter disc, and usually the lowest cost\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eDisc length grows with size, from 7\/8″ (SDL) or 7\/16″ (SDS) on the smallest discs to 2″ and 1″ above 2.010″.\u003c\/p\u003e\n\u003ch2\u003eHow to order\u003c\/h2\u003e\n\u003cp\u003e\u003ccode\u003eSDL or SDS – class – material – size\u003c\/code\u003e. Class XX or X, material S (steel) or C (chrome). Add \u003ccode\u003e-MM\u003c\/code\u003e for metric sizes. Example: \u003ccode\u003eSDS-XX-C-.7500\u003c\/code\u003e.\u003c\/p\u003e\u003ch2\u003eCertification\u003c\/h2\u003e\n\u003cp\u003eEvery master ships with a long-form certificate of calibration showing the actual measured size, traceable to NIST. Calibration is done in a temperature-controlled lab conforming to ISO\/IEC 17025 and ANSI\/NCSL Z540-1.\u003c\/p\u003e\n\u003ch2\u003eHow many masters?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDual Master\u003c\/strong\u003e air gaging takes two masters, one at each end of the tolerance. \u003cstrong\u003eSingle Master\u003c\/strong\u003e takes one, at nominal. For best results with a single master, pick a size near the middle of the part tolerance.\u003c\/p\u003e","brand":"Air Gaging LLC","offers":[{"title":"Default Title","offer_id":50543241691391,"sku":null,"price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0843\/0052\/9919\/files\/master-setting-disc-sdl-sds.jpg?v=1790459495","url":"https:\/\/airgaging.com\/products\/master-setting-disc","provider":"Air Gaging LLC","version":"1.0","type":"link"}