UNI 5739 – Hexagon Head Screws with Full Thread

(DIN 933 | ISO 4017 | CSN 021103 | PN 82105 Equivalent)

Global Manufacturer, Exporter, Supplier, Stockist, Dealer, Distributor & Wholesaler

Founded in 2009 by Kumpsingh Rajput, Dipti Metal Industries is a trusted global UNI 5739 manufacturer, UNI 5739 exporter, UNI 5739 supplier, UNI 5739 stockist, UNI 5739 dealer, UNI 5739 distributor, and UNI 5739 wholesaler of UNI 5739 Hexagon Head Screws with Full Thread. We supply premium-quality fasteners engineered to meet UNI 5739 specifications and equivalent international norms DIN 933, ISO 4017, CSN 021103, and PN 82105.

These screws are widely used in mechanical assemblies, structural connections, machinery, construction, automotive, railway, and marine applications where secure fastening and full thread engagement are required.

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Product Specifications

Standard: UNI 5739
Equivalent Standards: DIN 933, ISO 4017, CSN 021103, PN 82105
Thread Type: Metric Coarse (ISO Metric)
Head Type: Hexagon Head
Thread Coverage: Full Thread
Size Range: M4 to M64
Length Range: 10 mm to 500 mm (custom on request)
Thread Tolerance: 6g / ISO Metric

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Available Material Grades

Carbon Steel

• Grades: 4.6, 5.6, 6.8, 8.8, 10.9, 12.9

• Surface: Self-colour, heat-treated, or coated as per requirement

Stainless Steel

• Austenitic: A2-50, A2-70, A2-80 (SS304, SS304L)

• A4-70, A4-80 (SS316, SS316L)

• Martensitic: C1, C3 (SS410, SS420)

• Ferritic: SS430 series

Alloy Steel

• High tensile alloy grades, quenched & tempered

• Suitable for high-load structural applications

Brass & Copper Alloys

• Brass Grades: CZ121, CW614N

• Naval Brass & Silicon Bronze for marine-grade corrosion resistance

Special Alloys (on request)

• Duplex 2205, Super Duplex 2507

• Monel® 400, Monel® K500

• Inconel® 600, 625, 718

• Hastelloy® C22, C276

• Titanium Grades 2 & 5

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Surface Coatings & Protective Finishes

We offer a complete range of coatings for corrosion protection, wear resistance, and enhanced aesthetics:

• PTFE Coated – Low friction, chemical resistance (Brands: Xylan® 1070/1424, Teflon™ Coating)

• Fluoropolymer Coating – Advanced PTFE/FEP/PFA coatings for extreme corrosion & temperature resistance (Brands: Whitford®, Chemours® Teflon™, Everlube®, Fluroseal®)

• Black Phosphated – Anti-corrosion and anti-galling finish for steel fasteners

• Zinc Plated – Electro-galvanized for economical corrosion resistance

• Hot Dip Galvanized (HDG) – Thick zinc layer for marine & outdoor use

• Cadmium Plated – Superior corrosion resistance in aerospace & marine environments

• Ceramic Coated – High-temp resistance, electrical insulation properties

• Zinc Nickel Plated – High-performance anti-corrosion coating for automotive & defense use

• Zinc Flake Coated – Solvent-based inorganic coating for superior salt spray resistance

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Applications

• Steel structures & fabrication

• Machinery & equipment assembly

• Railway, shipbuilding & offshore platforms

• Automotive, trucks, heavy vehicles

• Bridges, stadiums, towers & infrastructure projects

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Manufacturing & Quality Control

Our UNI 5739 screws are produced using precision cold forging, hot forging, and CNC machining, ensuring exact dimensional tolerances. Each batch undergoes:

• Dimensional inspection

• Mechanical property testing

• Coating adhesion & thickness checks

• Salt spray & corrosion testing

• Positive Material Identification (PMI)

• Third-party inspection on request (TPI)

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Export & Packaging

• Packing: Bulk in gunny bags, small boxes in cartons, wooden pallets/crates

• Marking: Size, grade, standard, and batch number

• Shipping Terms: EXW, FOB, CFR, CIF, DDP

• Ports of Dispatch: Mumbai, Nhava Sheva, Mundra, and major Indian airports

We supply to over 40 countries across North America, South America, Europe, Middle East, Africa, and Asia-Pacific.

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Why Choose Dipti Metal Industries?

• 15+ years of expertise in fastener manufacturing

• Wide range of material grades & protective finishes

• Compliance with global standards

• Competitive pricing & prompt delivery

• Large ready stock for urgent requirements