Dome Head Square Neck Bolt

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Dome Head Square Neck Bolt

A Dome Head Square Neck Bolt is a type of fastening components used in various applications, including railway construction. It features a distinctive dome-shaped head and a square neck, combining functionality with a secure grip.

GNEE Rail manufactures Dome Head Square Neck Bolts, engineered for robust and reliable performance in demanding environments. The dome-shaped head provides a smooth finish and effective load distribution, while the square neck design ensures the bolt remains firmly in place during installation. Made from high-strength materials, these bolts are built to withstand harsh conditions and resist corrosion. Perfect for railway applications and other heavy-duty uses, our Dome Head Square Neck Bolts combine durability with ease of use. For inquiries or custom requirements, please reach out to us.

Dome Head Square Neck Bolt Specification

Name	Type	Grade	Material	Mechanical Properties	Surface
Dome Head Square Neck Bolt	Round head square neck bolt	4.6	Q235	Tensile strength: ≥400Mpa Yield strength: ≥240Mpa Elongation: ≥22% Cold bending: 90 degrees without crack	Plain (oiled), Oxide black, Zinc, HDG, wax, bitumen, Dacromet, Sherardizing
	Carriage bolt	5.6	35#	Tensile strength: ≥500Mpa Yield strength: ≥300Mpa Elongation: ≥20% Cold bending: 90 degrees without crack
	Or the type by customers’ drawings	8.8	45#	Tensile strength: ≥800Mpa Yield strength: ≥640Mpa Elongation: ≥12% Cold bending: 90 degrees without crack
		10.9	40Cr	Tensile strength: ≥1000Mpa Yield strength: ≥900Mpa Elongation: ≥9% Cold bending: 90 degrees without crack

Dome Head Square Neck Bolt

Dome Head Square Neck Bolt Specification

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