{"product_id":"granite-surface-plate-with-precision-ground-top-fo","title":"Granite Surface Plate With Precision Ground Top For Ultra Flatness And Stability Grade B Metrology Plate 12 Inch By 9 Inch By 3 Inch Flatness Tolerance 0.0001 Inch Includes Certificate Of Inspection Federal Spec GGG-P-463C Compliant HHIP","description":"\u003cdiv\u003eUltra-Flat Granite Surface Plate 12 x 9 x 3 in\u003cbr\u003e\n✔️ Flatness ±0.0001 in, Grade B, certificate included \u003cp\u003eThis precision granite surface plate provides a rock-solid reference surface for measuring flatness, squareness, and for laying out parts, calibrating instruments, and checking tooling setups in metrology labs and workshop floors. This is a single plate (12 x 9 x 3 in \/ 304.8 x 228.6 x 76.2 mm), Grade B, with a Certificate of Inspection. It meets Federal Spec GGG-P-463C and is non-magnetic and non-conductive; note it is not NIST traceable.\u003c\/p\u003e ✅ Size: 12 x 9 x 3 in (304.8 x 228.6 x 76.2 mm) \u003cbr\u003e\n✅ Flatness: ±0.0001 in (0.00254 mm) \u003cbr\u003e\n✅ Material: granite; non-magnetic and non-conductive \u003cbr\u003e\n✅ Compliance: meets GGG-P-463C; Certificate of Inspection included \u003cbr\u003e \u003cp\u003e💡 What is a granite surface plate used for in precision metrology and layout?\u003c\/p\u003e\nThis is a handy, stable reference surface for checking flatness and squareness, plus laying out parts and setting up tools.\n- handy reference for height measurement with a height gage\n- supports accurate tool setup, inspection, and marking\n- non-magnetic and non-conductive for clean operations\n\u003c\/div\u003e","brand":"Bearings Canada","offers":[{"title":"Default Title","offer_id":52404473954623,"sku":"VXB01BHHXVA0","price":241.73,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0887\/4750\/8031\/files\/61h6sWhUw8L.jpg?v=1776648354","url":"https:\/\/bearingscanada.com\/products\/granite-surface-plate-with-precision-ground-top-fo","provider":"Bearings Canada","version":"1.0","type":"link"}