{"product_id":"granite-surface-plate-18x12x3-in-shop-ready-grade","title":"Granite Surface Plate 18x12x3 In Shop Ready Grade B Precision Ground Flatness To 0.0001 In Meets GGG-P-463C Standard With Certificate Of Inspection Calibrated To Federal Spec And Ready For Metrology And Machining Work Includes HHIP 4401-0012","description":"\u003cdiv\u003ePrecision Granite Surface Plate 18x12x3 in, Grade B\u003cbr\u003e\n✔️ Single plate with 0.0001 in flatness and inspection cert \u003cp\u003eThis granite surface plate is a flat, stable reference surface used for precision measurement, layout, and inspection in machine shops and labs. It meets the GGG-P-463C Grade B standard and includes a certificate of inspection (not NIST-traceable). Its non-magnetic, non-conductive material makes it ideal for sensitive metrology and assembly work.\u003c\/p\u003e ✅ Size: 18 in x 12 in x 3 in\u003cbr\u003e\n✅ Flatness: 0.0001 in on the top surface\u003cbr\u003e\n✅ Grade: Grade B per GGG-P-463C with inspection certificate\u003cbr\u003e\n✅ Material: Granite; non-magnetic and non-conductive\u003cbr\u003e\n✅ Included accessory: 4401-0012 kit\u003cbr\u003e \u003cp\u003e💡 What is a granite surface plate used for in precision measurement and machining?\u003c\/p\u003e\n\u003cp\u003eGranite surface plates provide a stable, flat reference surface for accurate layout, inspection, and calibration.\u003c\/p\u003e\n- Handy for layout, inspection, and calibration in shop environments\n- Helps verify flatness, squareness, and height using height gauges\n- Non-magnetic and non-conductive, protecting sensitive tools\n- Comes with an inspection certificate confirming conformance to GGG-P-463C\n\u003c\/div\u003e","brand":"Bearings Canada","offers":[{"title":"Default Title","offer_id":52404472381759,"sku":"VXB01LW4167T","price":314.44,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0887\/4750\/8031\/files\/814waJa8izL.jpg?v=1776662527","url":"https:\/\/bearingscanada.com\/products\/granite-surface-plate-18x12x3-in-shop-ready-grade","provider":"Bearings Canada","version":"1.0","type":"link"}