Indian standard specification for hexagon fit bolts 
Indian Standards Institution 
 - New Delhi  Indian Standards Institution  1967 
 - 14p. 
<br/><br/> IS 3640 : 1967 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Hexagon Fit Bolts<br/> Standards <br/>NASA Thesaurus 
<br/><br/><label>Universal Decimal Class. No.: </label>083.7:621.882.211  / ISI