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CSK Machine Screw
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Hex Head Self Drilling Screw
Hex Head Self Drilling Screw
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Pan Machine Screw
Pan Machine Screw

CSK Machine Screw

CSK Machine Screws are precision fasteners with countersunk heads designed to sit flush with the surface of the material they secure. They are manufactured to ASTM, DIN, and ISO standards in carbon steel, stainless steel, and brass. Available in slotted, Phillips, and Pozidriv drive types, they are suitable for tapped holes or use with nuts. These screws provide neat and reliable fastening in mechanical, electrical, and construction applications. They are widely used in machinery, furniture assembly, automotive components, and general engineering works.

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Description

Premium Quality CSK Machine Screws Supplier in Dubai, UAE

Unifastener Industries LLC is a reliable supplier and manufacturer of premium-quality CSK Machine Screws in Dubai, UAE. The company specializes in industrial fastening solutions designed for machinery assemblies, electrical installations, furniture manufacturing, engineering projects, and heavy-duty industrial applications. CSK Machine Screws, also known as Countersunk Machine Screws, are specially designed threaded fasteners featuring a countersunk head that allows the screw to sit flush with the surface after installation. These screws are widely used where a smooth and clean finish is required along with secure and precise fastening performance. Manufactured using high-grade materials and advanced production standards, CSK Machine Screws provide excellent strength, corrosion resistance, durability, and reliable long-lasting fastening performance in demanding industrial environments.


Standards:
– ASTM F835 / F836 (alloy steel screws)
– ASTM A276 (stainless steel bar stock for screws)
– DIN 963 (countersunk slotted machine screws)
– DIN 965 (countersunk cross recessed machine screws)
– ISO 7046 (countersunk head machine screws)

Grades:
– Carbon steel (Grade 4.6, 5.6, 8.8)
– Stainless steel A2 / A4 (AISI 304 / 316)
– Brass (for decorative/light-duty applications)

Material Options:
– Carbon steel (zinc plated, black oxide, galvanized)
– Stainless steel (A2 / A4)
– Brass

Diameter Range: M2 to M12 (metric) / #2-56 to 1/2″ (inch)

Length Range: 6mm to 100mm

Thread Types:
– Metric coarse (DIN 13 / ISO 261)
– UNC / UNF (Unified inch series)

Head Types:
– Countersunk slotted (DIN 963)
– Countersunk Phillips / cross recessed (DIN 965 / ISO 7046)
– Countersunk Pozidriv

Properties:
– Fully threaded shank for precise fastening into tapped holes or with nuts
– Countersunk head provides a flush surface finish
– Suitable for medium-duty fastening in metal, plastic, and wood
– Commonly paired with hex nuts, lock nuts, or washers

Coating Options:
– Zinc electroplated
– Black oxide
– Hot-dip galvanized (ASTM A153 / DIN EN ISO 1461)
– Stainless steel natural finish
– Brass polished finish

Add-ons:
– Can be supplied with plain or spring washers
– Available in bulk contractor packs or retail boxes
– Certification/test reports available on request

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