High-Strength Fasteners

8.8 Grade Nut & Bolts

High-strength fasteners with HDG/EG coating for structural and industrial use.

High tensile strength (Grade 8.8)
Corrosion resistant coating
Heat-treated for strength
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8.8 Grade Galvanized Nut & Bolts

Technical Specifications

High-strength Grade 8.8 fasteners with superior mechanical properties and corrosion protection.

Mechanical Properties

Grade 8.8 high-strength fastener specifications

MaterialMedium Carbon / Alloy Steel
Tensile Strength≥ 800 MPa
Yield Strength≥ 640 MPa
Hardness22–32 HRC
CoatingHDG / EG Galvanized
Thread TypesMetric / UNC / UNF
Head TypesHex, Flange, Socket
StandardsISO 898-1, DIN 931/933, ASTM A325

Available Sizes

Standard metric sizes with custom options available

M66mm
M88mm
M1010mm
M1212mm
M1616mm
M2020mm
M2424mm
M3030mm
M3636mm
M4242mm
M4848mm
CustomOn request

Applications

Industries and use cases for 8.8 Grade Nut & Bolts

Construction & Infrastructure
Power & Transmission Towers
Steel Fabrication & Machinery
Oil & Gas
Automotive & Rail
Industrial Equipment

Available Head Types

Multiple head configurations for different applications

Hex Head

Standard hexagonal head for general use.

Flange Head

Built-in washer for increased bearing surface.

Socket Head

Allen key drive for tight spaces.

Custom

Custom head types available on request.

Pricing & Orders

Prices vary by size and coating type. Contact us for detailed pricing.

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Quality & Assurance

High-strength fasteners meeting international standards

ISO

ISO Standards

Meets ISO 898-1, DIN 931, DIN 933, ASTM A325 standards.

QT

Quality Tested

Rigorous testing for mechanical properties and coating quality.

SP

Secure Packaging

Proper packaging to prevent damage during transport.

Ready to Order?

Contact our fastener experts for personalized quotes and technical support.

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0325 5559798

0329 4236094

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Raiwind, Lahore

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