1-2-3 Inch Block Set With 23 Holes.0002 Inch Tolerance, Precision Ground And Case Hardened On All Sides, Shop-Ready Machinist Calibration Blocks For Tight Fits, Perfect For Alignment, Inspection And Jig Setups By Aspaton

1-2-3 Inch Precision Calibration Block Set with 23 Holes
✔️ 23-hole, 1x2x3 in;.0002 in/in tolerance; pair included

This pair of 1-2-3 inch precision calibration blocks serves as a shop-ready reference for alignment, inspection, and jig setups. Ground and case hardened on all six sides, they resist wear and deformation in busy machine shops.

✅ 23-hole, 1x2x3 in precision block set with.0002 in/in tolerance
✅ Precision ground and case hardened on all six sides
✅ Made from precision steel for durability and wear resistance
✅ Includes a paired block set for easy alignment, inspection, and jig work

💡 What is a precision calibration block set used for in machining and inspection? These handy blocks provide a reliable reference for aligning workpieces and verifying setups across fixtures and inspection steps. - precise alignment references for jigs and fixtures
- uniform 1-2-3 inch size with 23 holes for multiple reference points
- high hardness and case hardened surfaces for long service life
- tight tolerance of.0002 in per inch ensures consistent results