Product grades A and B
We are the manufacturer of biggest size of nuts ISO 4032, DIN 934, DIN 6915 etc. We have complete in-house production house & Good storage facility in India. We manufacturer of alloy steel, Carbon steel, Stainless steel & Duplex steel nuts. We have complete range of nuts from M12 to M72 if all grades like 8, 10, A2-50,A2-70, A2-80, A4-50, A4-70, A4-80, SS316, SS316L, SS316S31 etc.
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Material |
Steel |
Stainless Steel |
Non-ferrous metal |
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General requirements |
International |
ISO 8992 |
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Thread |
Tolerance |
6H |
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International |
ISO 724, ISO 965-1 |
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Mechanical properties |
Property |
d <M3 mm: as agreed |
d ≤M24 mm: A2-70, A4-70 |
Materials are specified |
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International |
M3 mm ≤ d ≤M39 mm: |
d ≤M39 mm: ISO 3506-2 |
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Tolerances |
Product |
D < M16 : A D >M16 : A |
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International |
ISO 4759-1 |
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Finish — Coating |
As processed |
Plain |
Plain |
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Requirements for |
Requirements for |
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Requirements for non-electrolytically |
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Additional requirements or other finishes or coatings shall be agreed between the supplier |
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Acceptability |
Acceptance inspection is specified in ISO 3269. |
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a)For other property classes see ISO 898-2 for steel and ISO 3.506-2 for stainless steel respectively. |
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Hexagon Nuts according to this document shall be marked with ISO 898-2.
a) Property class marking in accordance with EN ISO 898-2.
b) Identification mark of the RFL.
It is permissible for the marking to be either embossed or indented on the top surface of the head.
Designation
Example - A hexagon Nut and property class 8 is designated As follows:
Hexagon Nut Gr. - 8.