Items: Bone Screw Torsion Test(A)， Pull-out Test(B)， Insertion and Remove Test(C)

Items: Bone Screw Torsion Test(A)， Pull-out Test(B)， Insertion and Remove Test(C)

Testing Methods: ASTM F543:Standard Specification and Test Methods for
Metallic Medical Bone Screws.

Testing Results: A: Torsional Yield Strength, Maximum Torque and Breaking Angle

                           B: Axial Pull-out Strength

                           C: Insertional Torque and Removal Torque