BS 3531-5.3:1991

This standard BS 3531-5.3:1991 Implants for osteosynthesis. Bone screws and auxiliary equipment is classified in these ICS categories:

• 11.040.40 Implants for surgery, prosthetics and orthotics

This International Standard specifies dimensions and tolerances for metal bone screws used in surgery, having hexagonal drive connection, spherical under-surface of the head, and shallow and deep asymmetrical threads.

NOTE 1 The mechanical requirements for screws that are cited in this International Standard are specified in ISO 6475.

NOTE 2 The interrelationship of International Standards dealing with bone screws, bone plates and relevant tools is shown for information in Annex B.

Dimensions and tolerances for metal bone screws having spherical under-surface of the head, and shallow and deep asymmetrical threads.