Flat hex socket head machine screw
Standards:DIN 7991/ISO 10642
Material: carbon steel/alloy steel
Surface:electroplated coatings like zinc,black zinc, nickel,H.D.G etc.
Mechanical properties:
Property class: 8.8/10.9/12.9 for metric sizes
Grade 5/8 for inch sizes
For more information on the flat hex socket head machine screw, please contact us by sales@s-metals.com.