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Our fasteners are in accordance with International standards like DIN, ISO, BS, ASTM, ANSI etc., meeting all the technical parameters like material, surface finish & all mechanical properties.
Material:
| Property class |
Material and Treatment |
Chemical composition limits (check analysis) % |
Tempering Temperature 0C min |
| Min. |
Max. |
Max. |
Max. |
| 3.6 1) |
Carbon steel |
- |
0.20 |
0.05 |
0.06 |
- |
| 4.6 1) |
- |
0.55 |
0.05 |
0.06 |
- |
| 4.8 1) |
| 5.6 |
0.15 |
0.55 |
0.05 |
0.06 |
- |
| 5.8 1) |
- |
0.55 |
0.05 |
0.06 |
- |
| 6.8 1) |
| 8.8 2) |
Carbon steel with additives
(e.g. Boron or Mn or Cr) quenched
and tempered
OR
Carbon steel quenched and tempered |
0.15 |
0.40 |
0.035 |
0.035 |
425 |
0.25 |
0.55 |
0.035 |
0.035 |
| 9.8 |
Carbon steel with additives (e.g. Boron or Mn or Cr) quenched and tempered
OR
Carbon steel quenched and tempered |
0.15 |
0.35 |
0.035 |
0.035 |
425 |
0.25 |
0.55 |
0.035 |
0.035 |
| 10.9 4) |
Carbon steel with additives (e.g. Boron or Mn or Cr) quenched and tempered |
0.15 |
0.35 |
0.035 |
0.035 |
340 |
|
10.9 5) |
Carbon steel quenched and tempered
OR
Carbon steel with additives (e.g. Boron or Mn or Cr) quenched and tempared
OR
Alloy steel quenched and tempered 7) |
0.25 |
0.55 |
0.035 |
0.035 |
425 |
0.20 |
0.55 |
0.035 |
0.035 |
0.20 |
0.55 |
0.035 |
0.035 |
| 12.9 5), 6) |
Alloy steel quenched and tempered 7) |
0.20 |
0.50 |
0.035 |
0.035 |
380 |
We also provide stainless steel and non-ferrous fasteners
Surface Finish
Self colour, Auto Black, Plating (Yellow zinc, white zink, nickel, nickel chrome, Bright zink passivating, Hot Dip galvanise,golden), Paint, powder coating, Rough finishing/Fine Finishing.
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