BS 3531-5.4 1993 Edition, May 15, 1993
Implants for Osteosynthesis Part 5: Bone Screws and Auxiliary Equipment Section 5.4: Specification for Screws Having Symmetrical and Asymmetrical Thread and Conical Under-Surfaces
Additional Comments: SAME AS ISO 9268
Published By:British Standards Institution (BSI)
Dimensions and tolerances for bone screws of nominal sizes 4,5 mm, 4,2 mm, 4,0 mm , 3,9 mm, 3,5 mm and 2,9 mm.