Specification for taper pins, unhardened :  metric series / 
British Standards Institution. 
 - 3 pages ;  33cm. 
 - British standard ;  BS 5681 : 1979 .
 - British standard ;  BS 5681 : 1979 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fasteners--Standards.  <br/>Pins (Engineering)