This part of YY/T 0958 specifies the requirements for materials, mechanical properties, dimensions and markings of drills, taps and countersunk milling cutters used in orthopedic surgery. The above drills, taps and countersunk milling cutters are made of stainless steel and are used in orthopedic surgery. For use with bone screws specified in ISO 5835.
YY/T 0958.1-2014 Referenced Document
ISO 5835 Implants for surgery; metal bone screws with hexagonal drive connection, spherical under-surface of head, asymmetrical thread; dimensions
ISO 7153-1 Surgical instruments - Materials - Part 1: Metals*, 2016-10-01 Update