Beijing United Test Co., Ltd products

Bone screws are the most common internal fixation device and used more then any other type of implant. Bone screws have various applications including driving various designs and sizes of screws. Manufacturers are required to perform device testing in accordance with ASTM F543 and ISO 6475 to determine the mechanical properties of the screw. The ASTM F543 test procedure outlines 4 tests that helps determine different characteristics of the metallic bone screw.  Including the TORSIONAL PROPERTIES (A1), the insertion/removal torque (A2), the pullout strength (A3), and the axial compression load force of self-tapping bone screws (A4).