High quality engineers squares for workshop and inspection applications
Accuracy conforms to BS939 grade B for squareness (see table)

For accuracy specifications see 'Key Characteristics' table.

This 4-inch engineer's try square from RS PRO is the ideal tool for inspecting and assessing angles and lines in applications that depend on precision.

The high-quality steel tool features a 4-inch blade set perpendicularly into a 3-inch stock. The blade's steel is hardened and tempered to guarantee long life. Beam-grounding and blade-grounding followed by lapping ensure accuracy by removing imperfections from the blade's surfaces, so it's perfectly flat, giving reliable measurements.

The try square meets both British Standards BS 939 grade B and US GGG-S-656E/29 Jan1966 requirements for the accuracy of machinist squares.

As part of the trusted RS PRO range, this product has been thoroughly tested by engineers to ensure our high standards of quality and reliability. You'll frequently find try squares like this used for inspection and quality control in machine design, manufacturing and construction applications.

• Engineer's try square
• Made from high-quality steel
• Blade length of 98 mm (4 in)
• Blade thickness of 1.6 mm (1/16 in)
• Blade width of 18.8 mm (3/4 in)
• Stock length of 56 mm (3 in)
• Stock thickness of 8.9 mm (0.35 in)
• Stock width of 19.5 mm (0.77 in)

RS PRO is our own brand range and brings you a wide range of high-quality, great value products offering you more choice. Trusted by engineers all over the world, every part of every RS PRO product has been rigorously tested against demanding industry standards

BS939 Grade B