F16B - Definition 
References relevant to classification in this subclass
This subclass does not cover:
Examples of places where the subject matter of this subclass is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:
Horseshoe nails | A01L 7/10 |
Nails for footwear | A43B 23/20 |
Thumb-tacks | B43M 15/00 |
Screws or bolts for railway sleepers | E01B 9/10 |
For building constructions | E04B 1/38 |
For hand railings | E04F 11/18 |
For fencing | E04H 17/00 |
Informative references
Attention is drawn to the following places, which may be of interest for search:
Manufacture of threaded fastening means | B21H, B21K, B23G |
Screw mechanisms | F16H |