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Screws for vehicles
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 Hexagon Socket Head Cap Screws
Hexagon Socket Low Head Cap Screws
 Hexagon Socket Head Shoulder Screws
 Hexagon Socket Set Screws  Hexagon Socket Button Head Cap Screws
 Hexagon Socket Countersunk Head Cap Screws  Hexagon Head Bolts
 Hexagon Socket Flange Button Cap Screws  Hexagon Socket Flange Button Head Cap Screws
 
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 International standard:
DIN 7991  ISO 10642  ASME B18.3  JIS B1194
 
   Hexagon Socket Countersunk Head Cap Screws
 
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It is generally used to assemble thin components where no protrusion is allowed. When it is completely locked in, its smooth surface will cause no scratch for other items, however, a dish-shape installation hole at 900 has to be made.

 
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