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ISO 6475 Bone Screw Torsion Test Methods

This standard specifies test method to determine the breaking torque and rotation at failure of metal bone screws. The Test procedures are very simple, requiring that the screw be clamped to prevent slipping, torque is applied at a uniform angular velocity between 1 rpm and 5 rpm, and the ability to record maximum breaking torque and angle of rotation at failure. The test does not provide requirements for screw dimensions, but most tests are conducted on production screws meeting the HA, HB, HC, or HD specifications.

Equipment Requirement:

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