A rail screw spike, also known as a sleeper screw, rail screw or lag bolt, is a medium or large metal screw used to fasten rail base plate or rails.
Kingrail Parts has a wide range of types and sizes of sleeper screws to choose from. Our screw spikes can meet AS, UIC, NF, and other standards.
SS25, SS35, SS36 sleeper screws
Size: 24×L, L=150mm to 270mm
Grade: 5.6, 8.8
Standard: ISO898-1, UIC864-1, NF F500-50
AS screw spikes
Mechanical properties: UTS550-700N/mm2, elongation 15%. Standard: BS64 normal strength
24×185mm alloy steel screw spike
Dimensions: 24×185mm
Material: alloy steel
Grade: 8.8
Standard: GB/T3098.1
Tr threaded screw
Dimensions: Tr22×L, Tr23×L, L=115mm to 165mm, step 5mm
Grade: 4.6, 5.6, 8.8, 10.9
Standard: NF F500-15, UIC864-1, ISO898-1
Timber screw
Dimensions: Diameter. 15/16'', 1'', L According to order 16×115, 19×115. Diameter. 3/4''×L, L=12''
Material: Low carbon steel Q235
Mechanical properties: Minimum tensile strength 740000psi
Chex screw spike
Size: 25×190mm 24×180mm
Grade: 4.6, 5.6, 8.8
Standard: AS1085.18
Surface treatment: hot dip galvanizing
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