Phillips pan head machine screws
Standards:DIN 7985/ISO 7045/ASME B 18.6.3.
Material: carbon steel/alloy steel.
Surface:electroplated coatings like zinc,black zinc, nickel,H.D.G etc.
Mechanical and physical properties:
Property class: 4.8/5.8/6.8/8.8/10.9/12.9 for metric sizes.
Grade 2/5/8 for inch sizes.
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