BS 3531-5-5.3:1990 : Implants for osteosynthesis — Part 5. Bone screws and auxiliary equipment — Section 5.3 Specification for screws having asymmetrical thread and spherical under-surfaces
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This part of ISO 5835 specifies dimensions and tolerances for metal bone screws used in surgery, having shallow and deep asymmetrical threads and heads with spherical under-surfaces.
BS 3531-5-5.3:1990 : Implants for osteosynthesis — Part 5. Bone screws and auxiliary equipment — Section 5.3 Specification for screws having asymmetrical thread and spherical under-surfaces