IS 6338 : 1989 Clamping screws (fixtures) - specification
  
      | UDC 621-229.312.2 | PGD 35 | 
    |  | 
    | Reaffirmed 2019 | 
  1 Scope  
1.1 This standard specifies the dimensions and otherrequirements for clamping screws (fixtures) assemblies used in jigsand fixtures for holding work pieces in places when they are beingmachined.  
2 References  
IS 2393 : 1980Cylindrical pins  
IS 2804 : 1964Dimensions for palm grips  
IS 2890 : 1983Taper handles for machine tools  
IS 2909 : 1964Dimensions for star grips  
IS 2636 : 1972Wing nuts  
IS 6335 : 1971Knurled thumb nuts (fixtures)  
IS 6336 : 1989Screws for thrust pads (fixtures)  
IS 6337 : 1989Thrust pads (fixtures)  
IS 12525 : 1989 Snaprings