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SREW DRIVE TYPES




 
 

SREW HEAD TYPES



DESIGNATION OF STANDARTS

DIN 912 M12 x 1,25 x 60 10.9 A3C
Description Nominal Diameter Pitch Length Strength Grade Surface Protection

Description DIN 912 Hexagon Socket Head Cap Screws
Nominal Diameter M12 12 mm nominal diameter
Pitch 1,25 1,25 mm pitch (specified only if it is fine thread)
Length 60 60 mm length
Strength Grade 10.9 10.9 strength grade
Surface Protection A3C 8 micron Zinc Plating and Yellow passivation

SURFACE PROTECTION TYPES

ISO 4042 Electroplating
- Zinc (Zn)
- Zinc Nickel (ZnNi)
- Zinc Iron (ZnFe)
- Phosphate (P)
- Nickel (Ni)
- Copper (Cu)
- Silver (Ag)

ISO 10683 Zinc-Flake Coating (flZnyc, flZnnc)
- Dacromet, Geomet
- Delta Tone
ISO 1461 Hot Dip Galvanizing (tZn)
ISO 12683 Mechanically Deposited Coatings of Zinc