BUREAU OF INDIAN STA <br/><br/>
INDIAN STANDARD ISO GENERAL PURPOSE METRIC SCREW THREADS : PART 1 BASIC PROFILE. IS 4218 (PART 1) 20 

 - 2nd rev. ed.  2001 
 - NEW DELHI  BUREAU OF INDIAN STANDARDS. 
 - 5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>  ISO GENERAL PURPOSE METRIC SCREW THREADS
<br/><br/><label>Dewey Class. No.: </label>621  / BUR