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Roofing Bolt
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Carriage Bolt Full Thread
Carriage Bolt Full Thread
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Cap Allen Bolt
Cap Allen Bolt

Roofing Bolt

Roofing Bolts are designed with a large round slotted head and are used for securing roofing sheets and cladding panels. The large head spreads the load, reducing the risk of sheet damage and improving fastening strength. They are produced to ASTM and DIN standards in a variety of materials and protective coatings. Supplied with square or sealing washers, they ensure watertight and durable connections. Commonly used in roofing, cladding, fencing, and light structural applications.

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Description

Premium Quality Roofing Bolt Supplier in Dubai, UAE

Unifastener Industries LLC is a reliable supplier and manufacturer of premium-quality Roofing Bolts in Dubai, UAE. The company specializes in industrial fastening solutions designed for roofing systems, construction projects, steel fabrication, infrastructure, and industrial applications. Roofing Bolts are specially designed fasteners used for securing roofing sheets, metal panels, structural components, and cladding systems. These bolts are widely used in industrial buildings, warehouses, sheds, commercial projects, and construction applications where strong and weather-resistant fastening is required. Manufactured using high-grade materials and advanced production standards, Roofing Bolts provide excellent strength, corrosion resistance, durability, and long-lasting fastening performance in harsh outdoor environments.


Standards:
– ASTM A307 (carbon steel bolts, general purpose)
– ASTM A449 (medium carbon steel bolts)
– DIN 571 (roofing / coach screws, metric)
– ISO 4016 / ISO 4017 (hex bolts equivalent for roofing applications)

Grades:
– ASTM Grades: A307, A449
– DIN / ISO Grades: 4.6, 5.6, 8.8

Material Options:
– Carbon steel
– Medium carbon steel (heat-treated for strength)
– Stainless steel (A2 / A4 grades for corrosion resistance)
– Galvanized steel
– Aluminum (for lightweight applications)

Diameter Range: M6 to M16 (metric) / 1/4″ to 5/8″ (inch)

Length Range: 20mm up to 150mm (custom sizes on request)

Thread Types:
– Metric coarse pitch (DIN 13 / ISO 261)
– UNC (Unified Coarse, ASTM)

Head Types:
– Large diameter round head (for load distribution)
– Slotted head for screwdriver tightening

Coating Options:
– Hot-dip galvanized (ASTM A153 / DIN EN ISO 1461)
– Zinc electroplated
– Black oxide
– Powder coated (black, green, or custom colors)
– Epoxy coated

Add-ons:
– Supplied with square plate washers (DIN 436)
– Available with EPDM / neoprene sealing washers for waterproofing
– Nuts and additional washers on request

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