| S. No |
Fastener Type |
Description |
Class/Grade |
Process/Material |
Application |
| 1. |
|
Bi-Hex Bolts Screws |
12.9
|
Black Phosphate
Heat Treated
Alloy Steel
|
Engine Applications
|
| 2. |
|
Hex Flange
Bolts Screws
|
8.8, 10.9
|
Alloy Steel
|
Engine frames, Body frames |
| 3. |
|
Socket Head
Cap Bolt
Screws
|
12.9
|
Alloy Steel, Heat Treated
|
Machine tools, Test equipment Automotive assemblies
|
| 4. |
|
Hex collar
Bolt Screws
|
8.8, 109
|
Alloy Steel Heat Treated
|
Chassis /Body Applications
|
| 5. |
|
Hex Head Bolt Screw
|
8.8, 10.9
|
Alloy Steel Heat Treated |
General purpose Fasteners
|
| 6. |
 |
Hub Bolts |
12.9
|
Black Phosphate
Heat Treated
Alloy Steel
|
Heavy trucks/buses
High load carrying capacity
|
| 7. |
 |
Wheel Bolts
|
12.9
|
Heat Treated
Alloy Steel
|
Light commercials Vehicles
& Passenger Cars
|
| 8. |
|
Cylinder Head Bolt Main Bearing Cap Bolts
|
12.9
|
Heat Treatment Copy Turning/ Grinding
|
Automobile, Engine Applications
|
| 9. |
|
Round Head Bolts
|
6.8, 8.8
|
Alloy Steel, Zn Plated
|
Automobiles
|
| 10. |
|
Indent Head Hex formed Screws
|
12.9
|
Black Phosphate
Heat Treated
Alloy Steel
|
Automobiles
|
| 11. |
|
Double End Studs
|
8.8, 10.9
|
Alloy Steel
|
General Purpose
|
| 12. |
|
Socket Button Head Screws |
12.9
|
|
Electrical Control Panels, Frame Works etc.
|
| 13. |
|
Socket Counter Sunk Head Screws
|
12.9
|
Alloy Steel
|
Machine sliding parts mainly like liners, beds etc. |
| 14. |
|
D’ Head Bolts
|
10.9
|
|
Connecting Rods/ Coupling type of Fasteners
|
| 15. |
|
Combi-Screws
|
12.9
|
Heat Treated
Alloy Steel
|
Engine assemblies, framework, parts subjected to vibration.
|
