{"product_id":"granite-triangular-square-for-comparator-and-z-axi","title":"Granite Triangular Square For Comparator And Z Axis CNC Base, Pro Grade Calibration Square 225x150x75, Black, Low Thermal Expansion, High Hardness, Non Magnetic, Lab Ready For Calibration And CNC Setup","description":"\u003cdiv\u003eSingle-Piece Black Granite Calibration Square for CNC Z Axis\u003cbr\u003e\n✔️ 225x150x75 mm; pack: 1 pc; low thermal expansion, non-magnetic \u003cp\u003eThese pro-grade black granite triangular squares are precision calibration tools used to verify squareness and straightness in calibration labs, inspection departments, and CNC bases. They provide a stable, low-drift reference for X, Y, and Z axis alignment during setup and testing.\u003c\/p\u003e ✅ Material: black granite with low thermal expansion and corrosion resistance\u003cbr\u003e\n✅ Size and accuracy: 225x150x75 mm, DIN 874\/00, 875\/00, 876\/00 compliant\u003cbr\u003e\n✅ Applications: lab calibration, inspection, CNC installation and alignment\u003cbr\u003e\n✅ Orientation: check X\/Y axes horizontally; Z axis perpendicularity when vertical\u003cbr\u003e\n✅ Pack size: 1 piece\u003cbr\u003e \u003cp\u003e💡 What is a calibration square used for in precision labs and CNC work?\u003c\/p\u003e\nHandy reference for maintaining squareness and straightness in gear and fixture setups.\n- Handy for aligning machine axes and inspection fixtures\n- Provides a stable, low-drift reference with minimal thermal drift\n- Useful in CNC installation and calibration workflows\n- Aligns with DIN-standard measurement procedures for accuracy\n\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":48156516188395,"sku":"VXB0D4CK9KP8","price":149.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/71fMVASEr4L.jpg?v=1777379356","url":"https:\/\/vxb.com\/products\/granite-triangular-square-for-comparator-and-z-axi","provider":"VXB Bearings","version":"1.0","type":"link"}