Economy Machinist Hardened Steel Square Set with 2 Inch 4 Inch and 6 Inch Blades True Right Angles Inside and Outside Ground and Lapped for Straightness Beams Grooved at Inner Corner for Burr Clearance

Precision Hardened Steel Square Set 2 4 and 6 Inch Sizes
✔️ Economy 3 piece set with ±0.0006 inch squareness accuracy

This hardened steel square set is handy for checking right angles in machine shops and training programs.

✅ Hardened steel construction for lasting accuracy
✅ True right angles both inside and outside
✅ Beams and blades ground and lapped for straightness
✅ Grooved beams clear burrs and dirt easily
✅ Squareness tolerance ±0.0006 inch on 2 inch model

💡 How do machinists check for accurate 90 degree angles during layout work? These squares help verify straight and square edges on metal parts in any shop. - Useful in schools and apprenticeship programs for learning proper measuring techniques - Ground surfaces stay parallel to support consistent checks on inside and outside corners - Blade lengths measured from inner beam edge make sizing easy to read during setups - Tolerance holds tight enough for general machining without needing premium priced tools

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