Ultra Precision Pair Of 1 X 2 X 3 Machinist Blocks Without Holes, Matched 1-2-3 Blocks, Ground On All Sides For True Squareness To.0001 To.0002 Inch, Heat Treated Tool Steel HRC 57-62, Hardened And All Sides Ground For Maximum Accuracy

Ultra precision 1-2-3 machinist blocks, matched pair
✔️ Ground on all six sides, HRC 57-62, tolerance.0001 to.0002 in

These matched pair 1-2-3 machinist blocks without holes deliver precise squareness for fixture setup, inspection, and alignment in milling, drilling, and assembly tasks.

✅ Matched pair, no holes, 1 x 2 x 3 in (25.4 x 50.8 x 76.2 mm)
✅ Ground on all six sides for true squareness
✅ Heat treated tool steel, hardened to HRC 57-62
✅ Tolerances within.0001 to.0002 in across faces
✅ Includes matched pair for repeatable setups

💡 What is a 1-2-3 machinist block used for in precision tooling? They provide repeatable, true references for squaring and aligning fixtures in milling, drilling, and inspection tasks.
- precise squareness references
- repeatable setups for fixtures
- used in milling, drilling, and inspection
- solid ground surfaces for accurate measurements