Our range of production for bolts is from M6 to M24 lengths up to 180mm in metric sizes and 1/4" to 7/8" and lengths up to 7.1" in imperial sizes, and nuts from M14 to M22. We specialize in custom fasteners and have developed many new types of bolts, and nuts for our various customers worldwide.
Special Bolts (Cold Forming)
| Description | Grade | Finishing | Size | Length |
|---|---|---|---|---|
| According to customer drawing and specification. | 8.8 , 10.9, and customer specification | Plain , Galvanized , Phosphated , Zink-Nickel , Geomet 500, Geomet 321 | M6 to M24 | 16mm to 180mm |
Special Nuts (Hot Forming)
| Description | Type | Grade | Finishing | Size |
|---|---|---|---|---|
| According to customer drawing and specification. | hexagon, hexagon flange, hexagon jam | 8, 10 and customer specification | Plain , Galvanized , Phosphated , Zink-Nickel , Geomet 500, Geomet 321 | M14 to M22 |
Standard Bolts and Screws (Cold Forming)
| Standard | Description | Grade | Finishing | Size | Length |
|---|---|---|---|---|---|
| DIN 912 | hexagon socket head cap screw | 8.8 , 10.9 , 11.9 | Plain , Galvanized , Phosphated , Zink-Nickel , Geomet 500, Geomet 321 | M6 to M24 | 16mm to 180mm |
| DIN 931 | hexagon head screw with shank | 8.8 , 10.9 , 11.9 | Plain , Galvanized , Phosphated , Zink-Nickel , Geomet 500, Geomet 321 | M6 to M24 | 16mm to 180mm |
| DIN 933 | hexagon head screw with full thread | 8.8 , 10.9 , 11.9 | Plain , Galvanized , Phosphated , Zink-Nickel , Geomet 500, Geomet 321 | M6 to M24 | 16mm to 180mm |
| DIN 960 | hexagon head screw with shank | 8.8 , 10.9 , 11.9 | Plain , Galvanized , Phosphated , Zink-Nickel , Geomet 500, Geomet 321 | M6 to M24 | 16mm to 180mm |
| DIN 961 | hexagon head screw with full thread | 8.8 , 10.9 , 11.9 | Plain , Galvanized , Phosphated , Zink-Nickel , Geomet 500, Geomet 321 | M6 to M24 | 16mm to 180mm |
| DIN 34801 | external hexalaboral head screw | 8.8 , 10.9 , 11.9 | Plain , Galvanized , Phosphated , Zink-Nickel , Geomet 500, Geomet 321 | M6 to M14 | 16mm to 110mm |
| DIN 34802 | internal hexalaboral head screw | 8.8 , 10.9 , 11.9 | Plain , Galvanized , Phosphated , Zink-Nickel , Geomet 500, Geomet 321 | M10 | 16mm to 50mm |
| DIN 6914 | high strength hexagon bolts with large width across flats for high tensile bolting in steel structures | 8.8 , 10.9 , 11.9 | Plain , Galvanized , Phosphated , Zink-Nickel , Geomet 500, Geomet 321 | M12 to M24 | 16mm to 180mm |
Standard Nuts (Hot Forming)
| Standard | Description | Grade | Finishing | Size |
|---|---|---|---|---|
| DIN 934 | hexagon nuts | 8, 10 | Plain , Galvanized , Phosphated , Zink-Nickel , Geomet 500, Geomet 321 | M14 to M22 |
| DIN 6915 | hexagon nuts, with large width across flats for high tensile structural steel bolting | 8, 10 | Plain , Galvanized , Phosphated , Zink-Nickel , Geomet 500, Geomet 321 | M14 to M20 |
Kuban Kar Company
High tensile fasteners manufacturer in Iran.
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Contact Us
Tehran, 15498 Iran
Phone: ++98-21-22256215
Fax: ++98-21-22258315
Email: info@kubankar.com
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