Name: Steel Rails Screw Spikes - China Steel Rails Screw Spikes Manufacturers Suppliers Factory - GNEE RAIL
Brand: GNEE
SKU: 285065286

Steel Rails Screw Spikes

The screw spike is also known as rail screw. As one kind of Rail spike, it is a metal screw for fixing rail fasteners. Screw spike is usually made of NO.3 steel. Because its nail rod surface has thread, so it is called screw spike. The pull-out resistance is 0.5 ~ 1.0 times larger than that of common rail spike, but the thrust resistance is 50% less. Due to disassembly and assembly inconvenience, it is difficult to adjust the rail gauge, which is generally used on the railway turnout.For meeting various needs of clients, we can offer coach screws, stud screw, railway sleeper screws and other coustom screw spike in railway.

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Description

Technical Parameters

Technical Specifications & Material Mechanical Properties of Railway Screw Spikes

Model/Type	Specification (Diameter×Length, mm)	Material Grade	Strength Grade	Tensile Strength (MPa)	Yield Strength (MPa)	Elongation (%)	Surface Treatment Options	Unit Weight (kg/pc)
SS 1/130	M22×130	Q235 / 35#	4.6	≥400	≥240	≥22	Plain (oiled), Zinc-plated, Hot-dip galvanized (HDG)	0.451
SS 5/150	M24×150	45# / 40Cr	8.8	≥800	≥640	≥12	Oxide black, Dacromet, Sherardizing	0.545
Square Head Screw Spike	M22×195	Q235 / 55Q	5.6	≥500	≥300	≥20	Paint, Oil, Zinc-plated	0.610
Double Head Screw Spike	24×195	40Cr / 42CrMo	10.9	≥1000	≥900	≥9	Dacromet, HDG, Plain (oiled)	0.680
500MPa High-speed Screw Spike	24×185	Custom alloy steel	500MPa Class	520-580	≥320	≥22	HDG (avg. thickness ≥55μm)	0.630

Application Compatibility & Compliance Details of Railway Screw Spikes

Model/Type	Applicable Sleeper Material	Key Application Scenarios	Matching Fastener Systems	Compliance Standards	Installation Notes	Maximum Axle Load (kN)
SS 1/130	Concrete	Conventional mainline railways	Rail clips (SKL/E-type)	UIC, GB/T 3098.1	Use with plastic dowels; avoid over-tightening	220
SS 5/150	Concrete	Heavy-haul freight lines	Heavy-duty rail clips	AREMA, DIN 17221	Pre-check thread integrity; apply anti-rust oil post-installation	260
Square Head Screw Spike	Wooden	Heavy-haul wooden sleeper lines	Nabla clips	BS 970, GOST	Large contact area resists lateral force; suitable for curved tracks	240
Double Head Screw Spike	Concrete	European/African railway lines	Nabla clip systems	UIC, Valec	Withstands ≥30° bending without cracks; use in ballasted tracks	230
500MPa High-speed Screw Spike	Concrete	High-speed railways (≤350 km/h)	Ballastless track fasteners	T/ZZB 1086-2019, EN 13481	240h salt spray test (protection class ≥5); no cold bending cracks	280

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Steel Rails Screw Spikes

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