Indian standard : hexagon head bolts, screws and nuts of product grade C - part 1 

 - New Delhi  Bureau of Indian standards  1992 
 - 8p.  
<br/><br/> IS 1363 (part 1) : 1992, ISO 4016 : 1988 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Indian Standard