Ametek Portable Pin Brinell Hardness Tester The Ametek pin Brinell hardness tester uses a shear pin to control the force applied by a hammer so it significantly reduces the costs of getting started in Brinell testing. The indentation left after a test is measured with a Brinell scope just like a standard Brinell, so the tester can be used on non-homogeneous metals and as-ground test surfaces. The kit comes with everything needed for testing (except the hammer and carbide indenter if testing on high hardness materials) and includes a bag of 250 shear pins (one pin is required for each...