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UNI 5588 Hexagon Nuts (Italian Standard) – Manufacturer, Exporter & Supplier

We manufacture and export UNI 5588 Hexagon Nuts (Italian Standard) conforming to exact UNI 5588 dimensional and mechanical specifications. Available in 8 / 10 / A2-70 / A4-70, our UNI 5588 hex nuts pass rigorous in-house testing — hardness, tensile and dimensional — before dispatch. ISO 9001:2015 certified production, EN 10204 3.1 mill test reports supplied as standard, and dedicated export documentation for 50+ destination countries.
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View Standards

UNI 5588 Key Specifications

The core specification data for UNI 5588 Hexagon Nuts (Italian Standard), at a glance.

Standard

UNI 5588

Type

Hexagon Nuts (Italian Standard)

Size Range

M1.6 to M52

Thread Pitch

Coarse Thread

Property Class / Grade

8 / 10 / A2-70 / A4-70

Head / Drive Type

Hex

About UNI 5588 Hexagon Nuts (Italian Standard)

UNI 5588 Hexagon Nuts (Italian Standard) are hex nuts produced and tested to the exact requirements of the UNI 5588 specification. Featuring a Hex configuration with Coarse Thread thread form, they are available in property classes 8 / 10 / A2-70 / A4-70 across a size range of M1.6 to M52. The UNI 5588 standard governs dimensional tolerances, mechanical properties including tensile strength, proof load and hardness, as well as surface finish requirements to ensure dependable performance in Italian Machinery and Construction applications worldwide.
Our UNI 5588 Hexagon Nuts (Italian Standard) are cold-forged from certified bar stock, heat-treated where required, and thread-rolled to guarantee consistent fit and fatigue performance. Every batch is documented with an EN 10204 3.1 Mill Test Report covering chemical composition, mechanical test results and dimensional inspection. Available in zinc electroplated, hot-dip galvanised, Geomet, Dacromet and black oxide finishes to match corrosion-resistance requirements for Automotive, General Engineering and Italy Export applications. As a global exporter of UNI 5588 fasteners, we consolidate orders with other standard-specification items into single shipments, backed by complete customs documentation for over 50 countries.
Technical Specifications

Raw Material

8 Alloy / Stainless Steel

Country of Origin

India

Standard Body

UNI

Corrosion Resistance

Salt-spray tested to relevant grade

Recommended Torque

Per property class / grade

Storage Conditions

Dry, corrosion-inhibited packing

UNI 5588 Dimensions & Size Chart

Precise dimensional data for every UNI 5588 Hexagon Nuts (Italian Standard) size, cross-referenced against the standard’s key measurement points.
Size (M)s (mm)e min (mm)m (mm)
M61011.055.0
M81314.386.5
M101718.908.0
M121921.1010.0
M162426.7513.0
M203033.5316.0
M243639.9819.0
M304650.8524.0
Key Dimension Callouts

d

Nominal internal thread diameter measured at major diameter.

m

Nut height measured parallel to the threaded axis.

s

Across-flats width for wrench engagement on hexagon.

e

Across-corners diameter of the hexagonal nut profile.

Related UNI Fastener Standards for Nuts, Bolts and Dimensions

Additional UNI fastener standards help engineers and buyers compare bolts, screws, nuts, washers, stud bolts, and threaded rods by dimensions, tolerances, thread specifications, mechanical properties, and material grades. Explore the wider UNI standards family to identify suitable engineering specifications, manufacturing standards, and quality requirements for industrial applications and procurement decisions.
UNI 5737
UNI 5739
UNI 6592
UNI 6593

UNI 5588 Hexagon Nuts (Italian Standard) – Material Grades & Property Classes

UNI 5588 Hexagon Nuts (Italian Standard) are available across multiple property classes and surface finish options to match load-bearing and corrosion-resistance requirements for Italian Machinery, Construction and Automotive applications.
Property Classes
8 10 A2-70 A4-70
Surface Treatments
Zinc Electroplated Hot-Dip Galvanised (HDG) Geomet Coating Dacromet Coating Black Oxide Phosphate & Oil Plain (Self Colour) Nickel Plated

Why Choose Us for UNI 5588 Hexagon Nuts (Italian Standard)?

Nine reasons buyers worldwide rely on us as their UNI 5588 Hexagon Nuts (Italian Standard) manufacturer and export partner.
ISO Certified Production

Every batch of UNI 5588 Hexagon Nuts (Italian Standard) is manufactured under an ISO 9001:2015 certified quality management system with full in-process control.

EN 10204 3.1 MTR Supplied

A mill test report covering chemical composition, tensile, hardness and dimensional inspection accompanies every UNI 5588 Hexagon Nuts (Italian Standard) shipment.

48-hr Dispatch on Stock Items

Commonly stocked UNI 5588 Hexagon Nuts (Italian Standard) sizes leave our warehouse within 48 hours of order confirmation, minimising your downtime.

Export to 50+ Countries

Established freight and customs partners ensure reliable delivery of UNI 5588 Hexagon Nuts (Italian Standard) to buyers in over 50 countries worldwide.

Custom Sizes & Lengths

Non-standard UNI 5588 Hexagon Nuts (Italian Standard) lengths, diameters and special thread pitches are produced to order to match your drawing requirements.

Competitive Factory Pricing

Direct-from-factory pricing on UNI 5588 Hexagon Nuts (Italian Standard) with no middleman markup, offering the best value on volume and repeat orders.

In-House Metallurgical Testing

Hardness, tensile strength and dimensional checks for UNI 5588 Hexagon Nuts (Italian Standard) are performed in our in-house laboratory before every release.

Consolidated Multi-Standard Shipping

Combine UNI 5588 Hexagon Nuts (Italian Standard) with other standard-specification fasteners into a single container shipment to reduce freight costs.

Dedicated Export Documentation Team

Our specialist team prepares all customs, compliance and shipping paperwork for every UNI 5588 Hexagon Nuts (Italian Standard) export order.

UNI 5588 Hexagon Nuts (Italian Standard) – Applications & End Uses

UNI 5588 Hexagon Nuts (Italian Standard) are widely specified across multiple industries. Select an industry below to see how our UNI 5588 hex nuts are applied.
UNI 5588 Hexagon Nuts (Italian Standard) are used in italian machinery for critical fastening applications where dimensional accuracy and mechanical performance are essential. Grade 8 is most commonly specified for italian machinery environments.
In construction, UNI 5588 Hexagon Nuts (Italian Standard) are valued for consistent dimensions and reliable load-bearing capability. We supply with full test documentation to support quality audits and project inspections.
UNI 5588 Hexagon Nuts (Italian Standard) are used in automotive assemblies where precise torque control and consistent fit are critical. We supply to OEM manufacturers and contractors with custom packaging formats.
For general engineering applications, UNI 5588 Hexagon Nuts (Italian Standard) are supplied with material test reports, dimensional inspection certificates and PPAP documentation where required.
UNI 5588 Hexagon Nuts (Italian Standard) for italy export use are selected from stainless steel or coated grades to provide appropriate corrosion resistance while maintaining specified mechanical performance.
In general engineering applications, UNI 5588 Hexagon Nuts (Italian Standard) are fastened into assemblies requiring long-term reliability. Our export-packaged UNI 5588 hex nuts arrive protected from transit corrosion with full documentation.

Request a Quote for UNI 5588 Hexagon Nuts (Italian Standard)

Get pricing and lead times for your required sizes and quantities. ISO 9001 certified. EN 10204 3.1 MTR supplied. Export to 50+ countries.
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Frequently Asked Questions About UNI 5588

Common questions from buyers sourcing UNI 5588 Hexagon Nuts (Italian Standard), covering sizes, grades, documentation and lead times.
We supply UNI 5588 Hexagon Nuts (Italian Standard) from M1.6 to M52 in Coarse Thread thread. Standard lengths are stocked; non-standard lengths are produced to order. Contact us with your exact requirements for availability confirmation.
UNI 5588 Hexagon Nuts (Italian Standard) are supplied in 8 / 10 / A2-70 / A4-70. Carbon and alloy steel grades comply with ISO 898-1 and stainless steel grades comply with ISO 3506. ASTM grades are available for USA and Canadian export orders.
Every UNI 5588 Hexagon Nuts (Italian Standard) order includes an EN 10204 3.1 Mill Test Report covering chemical composition, tensile strength, hardness and proof load. Third-party inspection by SGS, BV or TUV can be arranged on request.
Stocked UNI 5588 Hexagon Nuts (Italian Standard) sizes dispatch within 48 hours of order confirmation. Custom lengths, special grades or surface finishes typically ship within 2-3 weeks. Contact us for a specific lead time on your required size and quantity.

Industrial Cities We Serve:

  • Ahmedabad
  • Aurangabad
  • Bengaluru
  • Chennai
  • Coimbatore
  • Faridabad
  • Gandhidham
  • Greater Noida
  • Gurugram
  • Hazira
  • Hosur
  • Hyderabad
  • Jamnagar
  • Jamshedpur
  • Ludhiana
  • Mumbai
  • Mundra
  • Mysuru
  • Nagpur
  • Nashik
  • Navi Mumbai
  • Noida
  • Pune
  • Rajkot
  • Sanand
  • Surat
  • Thane
  • Tiruppur
  • Vadodara
  • Visakhapatnam

Countries We Export To:

  • US
  • Canada
  • Mexico
  • Germany
  • UK
  • France
  • Italy
  • Spain
  • Netherlands
  • Belgium
  • Poland
  • Sweden
  • Norway
  • Denmark
  • Turkey
  • UAE
  • Saudi Arabia
  • Qatar
  • Oman
  • Kuwait
  • Bahrain
  • South Africa
  • Egypt
  • Nigeria
  • Australia
  • New Zealand
  • Singapore
  • Malaysia
  • Indonesia
  • Thailand
  • Vietnam
  • South Korea
  • Japan
  • Brazil