{"product_id":"grade-a-granite-surface-plate-400-x-250-x-60-mm-fo","title":"Grade A Granite Surface Plate 400 X 250 X 60 Mm For Precision Inspection And Layout, Ultra Stable Drift Free, Non Magnetic, Non Conductive, Corrosion Resistant, Dasqua Quality Metrology Tool For Pro Shops, Labs, And Hobby Machinists","description":"\u003cdiv\u003eGranite Surface Plate 400x250x60 mm, Grade A, single unit\u003cbr\u003e\n✔️ Flatness around ±0.0001 in, DIN876, non-magnetic, corrosion-proof \u003cp\u003eThis Grade A granite surface plate is designed for precision inspection and layout tasks in pro shops, labs, and hobby setups. It provides a stable, drift-free reference surface for measuring flatness, squareness, and tool setup.\u003c\/p\u003e ✅ Grade A (Grade 0) granite surface plate with ±0.0001 inch tolerance\u003cbr\u003e\n✅ 400 x 250 x 60 mm size (15.75 x 9.84 x 2.36 in)\u003cbr\u003e\n✅ Non-magnetic, non-conductive, corrosion-proof granite construction\u003cbr\u003e\n✅ Meets DIN876 \u0026amp; GGG-P-463C; inspection certificate included (not NIST)\u003cbr\u003e\n✅ Temperature-stable with minimal dimensional changes under temperature swings\u003cbr\u003e\n✅ Not NIST traceable; ideal for precision inspection, layout, and tool setup\u003cbr\u003e \u003cp\u003e💡 What is a granite surface plate used for in precision work?\u003c\/p\u003e\n- Handy reference for flatness checks, squareness, and height setting\u003cbr\u003e\n- Useful for laying out parts and calibrating instruments in shops\u003cbr\u003e\n- Durable, corrosion-proof, non-magnetic base for long-term use\u003cbr\u003e\n\u003c\/div\u003e","brand":"Bearings Canada","offers":[{"title":"Default Title","offer_id":52404472611135,"sku":"VXB0BMZHKWQ2","price":391.46,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0887\/4750\/8031\/files\/61uXf9mOD8L.jpg?v=1776663465","url":"https:\/\/bearingscanada.com\/products\/grade-a-granite-surface-plate-400-x-250-x-60-mm-fo","provider":"Bearings Canada","version":"1.0","type":"link"}