Heavy-Duty Steel Fastener Nuts

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Hexagonal Nut Grade 4.8 Size 24 mm Black Color DIN...

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Hexagonal Nut Stainless Steel 316 Size 4 mm

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Nickel Plated Hex Domed Cap Nut DIN 1587 8 mm Grad...

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Carbon Steel Hexagonal Nut Size 27 mm

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Galvanized Hex Nut UNC Thread Grade 2 Size 1 1/2 i...

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Mild Hot Dip Galvanized Hex Nut Size 56 mm

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Hexagonal Connector Nut 10 mm Zinc Plated Steel

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Hexagonal Connector Nut Size 16 mm Zinc Plated Ste...

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Hexagonal Nut Stainless Steel 304 Size 39 mm

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Zinc Plated Short Spring Strut Nut Size 12 mm Thic...

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Spring Nut Size 5 mm, Durable Fixation

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Hex Nut Stainless Steel 316 Size 6 mm

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Hexagonal Nut Grade 4.8 Size 10 mm White Color DIN...

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Hexagonal Nut Grade 4.8 Size 10 mm Black Color DIN...

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Hexagonal Connector Nut Size 8 mm Hot Dip Galvaniz...

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Hexagonal Nut Stainless Steel 304 Size 7/8 inch

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Hexagonal Nut Grade 4.8 Size 12 mm Black Color DIN...

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Mild Hot Dip Galvanized Hex Nut Size 20 mm

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Mild Hot Dip Galvanized Hexagonal Nut Size 3/8 inc...

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Strut Channel Spring Nut Size 10 mm

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❓ Frequently Asked Questions

Heavy-duty steel nuts have thicker walls, larger outer diameters, and higher torque and vibration resistance than standard nuts. They suit concrete structures, bridges, and steel frames in Riyadh and Jeddah where high loads and shift prevention are critical.

Rust resistance depends on surface treatment. Hot-dip galvanized or stainless steel options perform best in coastal humidity near Jeddah. Matkel lists the appropriate grade for your project environment, so you can choose the right protection level.

Metric sizes from 8 to 24 mm are common for structural work, though larger sizes may be needed depending on design. Always match thread, grade, and load rating to the bolt and the project specification before ordering.

Matkel provides material certificates, factory inspection reports, and quality certificates with your tax invoice to confirm compliance with the project specification. If a documented manufacturing defect occurs, replacement or refund may apply under store policy. Keep the lot number and delivery date.

For high loads and vibration, choose grade 8.8 or 10.9 nuts with a fine pitch and a surface treatment suitable for heat and humidity. Use a nut of the same grade as the bolt and follow the torque values shown in your structural drawings.

Heavy-Duty Steel Fastener Nuts

Standard Hex Nuts

Threaded Coupling Nuts

Crown Cap Nuts

Compression Spring Nuts

Flanged Hex Nuts

Butterfly Wing Nuts

Panel Mount Cage Nuts

Lifting Eye Nuts

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Hexagonal Nut Grade 4.8 Size 3 mm Yellow Color DIN934

Hexagonal Nut Grade 4.8 Size 48 mm Black Color DIN934

Hex Nut Stainless Steel 316 Size 64 mm

Hexagonal Nut 27 mm Stainless Steel 304

Hexagonal Nut Size 24 mm Stainless Steel 304

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Mild Hot Dip Galvanized Hexagonal Nut Size 10 mm

Mild Hot Dip Galvanized Hex Nut Size 14 mm

Mild Hot Dip Galvanized Hex Nut Size 48 mm

Hexagonal Nut Size 27 mm Carbon Steel Galvanized

Hexagonal Nut Stainless Steel 304 Size 22 mm

❓ Frequently Asked Questions