Socket Button Head Screw, Socket Button Head Screw Manufacturers Delhi

Products - Hex Socket Screw - Socket Button Head Cap Screw

Mechanical Properties

Standards: ISO 7380, DIN 9427, BS 4168

Diameter: 3mm to 12mm , 5/16" to 3/8"

Length: 5mm to 50mm, 3 /8" to1"

Grades: 8.8, 10.9, 12.9, A2, A4

Finish: Black, Zinc Blue, Hot dip, Decromate, Yellow Passivation

Property Class Designation

Nominal Size of Product

Material and Treatment

Proof Load Stress MPa

Tensile Yield Strength, MPa, Min.

Tensile Ultimate Strength, MPa, Min.

Surface, Max

Prod. Hardness, Rockwell Core

Min.	Max.

Property Class Indent Marking

Metric-Hex. Socket Button Head Cap Screws (ISO 898-1 - ISO 7383)

12.9

M1.6 - M100

alloy steel, quenched and tempered

970

1100

1220

30N63

C38

C44

12.9

10.9

M5 - M20

medium carbon steel, quenched and tempered

830

940

1040

30N59

C33

C39

10.9

8.8

M16-M72

medium carbon steel, quenched and tempered

600

660

830

30N56

C23

C34

8.8

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