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CSK Allen Bolt
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Cap Allen Bolt
Cap Allen Bolt
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Button Allen Bolt
Button Allen Bolt

CSK Allen Bolt

CSK Allen Bolts are countersunk socket head screws designed for flush fitting into surfaces. They are tightened with an Allen key, offering a clean and smooth finish without protruding heads. Manufactured to ASTM and DIN standards, they are available in high strength grades and various coatings. They are ideal for applications requiring both aesthetics and high mechanical strength. Commonly used in machinery, automotive, furniture, aerospace, and structural assemblies.

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Premium Quality CSK Allen Bolt Supplier in Dubai, UAE

Unifastener Industries LLC is a reliable supplier and manufacturer of premium-quality CSK Allen Bolts in Dubai, UAE. The company specializes in industrial fastening solutions designed for machinery, engineering, automotive, fabrication, construction, and precision industrial applications. CSK Allen Bolts, also known as Countersunk Socket Head Screws, are specially designed fasteners featuring a flat countersunk head with an internal hex socket drive. These bolts are widely used in applications requiring flush surface installation, clean finishing, and high-strength fastening performance. Manufactured using premium-grade materials and advanced production standards, CSK Allen Bolts provide excellent durability, precision fitting, corrosion resistance, and reliable fastening performance for demanding industrial environments.


Standards:
– ASTM A574 (alloy steel socket head cap screws)
– ASTM A193 (Grades B7, B16 for high strength applications)
– DIN 7991 (countersunk socket head cap screws)
– ISO 10642 (equivalent to DIN 7991)

Grades:
– ASTM Grades: A574, A193 B7, B16
– DIN / ISO Grades: 8.8, 10.9, 12.9

Material Options:
– Alloy steel (heat-treated for high tensile strength)
– Stainless steel (A2 / A4 grades for corrosion resistance)
– Carbon steel
– Brass (for decorative and non-magnetic applications)
– Galvanized steel

Diameter Range: M3 to M30 (metric) / 1/8″ to 1-1/4″ (inch)

Length Range: 6mm up to 200mm (custom sizes available)

Thread Types:
– Metric coarse pitch (DIN 13 / ISO 261)
– Metric fine pitch (on request)
– UNC (Unified Coarse, ASTM)
– UNF (Unified Fine, ASTM)

Head Types:
– Countersunk flat head with hex socket (DIN 7991 / ISO 10642)

Coating Options:
– Plain (self-color)
– Black oxide (commonly for alloy steel)
– Hot-dip galvanized (ASTM A153 / DIN EN ISO 1461)
– Zinc electroplated
– PTFE / Xylan coated
– Epoxy coated

Add-ons:
– Can be supplied with washers (flat or spring)
– Compatible with locking nuts and nylon inserts
– Supplied with MTC and certification on request

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