Fowler 52-432-246-0 Machinist Hardened Steel Square Set, 2", 3",4",and 6" Blade Size

The Fowler 52-432-246-0 Machinist Hardened Steel Square 4 Piece Set is designed for schools, apprenticeships and training programs. Made of high carbon steel, these squares have true right angles both inside and outside. Beams and blades ground and lapped for straightness and parallelism. Grooved at inner corner for clearance of burrs and dirt. Fowler, an American company, manufactures inspection and measurement instruments such as electronic indicators, calipers, bore gages and digital scales. The company founded in 1946, is headquartered in Newton, MA.

• Made of hardened steel, these economy squares have true right angles both inside and outside
• Beams and blades ground and lapped for straightness and parallelism
• Length of hardened blade is measured from inner edge of beam to end of blades
• Beam grooved at inner corner for clearance of burrs and dirt.Squareness of the blade edge to the working face of the stock is ± 0.0006" for 2" and 3" models, and ± 0.0008" for 4" and 6" models