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

Single-Piece Black Granite Calibration Square for CNC Z Axis
✔️ 225x150x75 mm; pack: 1 pc; low thermal expansion, non-magnetic

These 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.

✅ Material: black granite with low thermal expansion and corrosion resistance
✅ Size and accuracy: 225x150x75 mm, DIN 874/00, 875/00, 876/00 compliant
✅ Applications: lab calibration, inspection, CNC installation and alignment
✅ Orientation: check X/Y axes horizontally; Z axis perpendicularity when vertical
✅ Pack size: 1 piece

💡 What is a calibration square used for in precision labs and CNC work?

Handy reference for maintaining squareness and straightness in gear and fixture setups. - Handy for aligning machine axes and inspection fixtures - Provides a stable, low-drift reference with minimal thermal drift - Useful in CNC installation and calibration workflows - Aligns with DIN-standard measurement procedures for accuracy