SS25, SS35, SS36 Sleeper Screw ,Screw Spike24*150 To 270mm Grade 5.6, 8.8 Plain Oiled Or HDP Finish Surface

Screw Spikes:

A rail screw spike, we also called the names are sleeper screw, rail screw or lag bolt, which is a medium or large metal screw used to fasten a rail base plate or rail,they are always fastened into holes bored into the tie sleeper, sometimes together with imbedded plastic dowels, in America and Canada , the rail screw spikes are popularly used for rails with wooden sleepers .

Railway Screw Spikes Porduction Process:

Raw Material --Wiredrawing---Rod Cutting---Head Forming---Edge Cutting---Thread Rolling---Heating Treatment---Surface Finish---Inspection

• ---Packing---Shipment
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The main types of sleeper screws:

Ss series ( the top hot sales, with various sizes available)

Square head screw spike

Hexagon screw spike

Double head screw spike

Dog screw

Timber screw

SS25, SS35, SS36 Sleeper screw:

      Material:SS

• Size: 24×L, L=150mm to 270mm
• Grade: 5.6, 8.8
• Standard: ISO898-1, UIC864-1, NF F500-50
• Surface finish: plain oiled, blasted oiled, oxide black, zinc plated, HDG, Dacromet, and sherardizing.

AS screw spike:

• Mechanical properties: UTS550-700N/mm2, 15% elongation.
• Standard: BS64 
• Surface finish: plain oiled, blasted oiled, oxide black, zinc plated, HDG, Dacromet, and sherardizing.

24×185mm alloy steel screw spike:

• Size: 24×185mm
• Material: alloy steel
• Grade: 8.8
• Standard: GB/T3098.1
• Surface finish: plain oiled, blasted oiled, oxide black, zinc plated, HDG, Dacromet, and sherardizing.

Tr thread screw:

• Size: Tr22×L, Tr23×L, L=115mm to 165mm, with step of 5mm
• Grade: 4.6, 5.6, 8.8, 10.9
• Standard: NF F500-15, UIC864-1, ISO898-1
• Surface finish: plain oiled, blasted oiled, oxide black, zinc plated, HDG, Dacromet, sherardizing

Timber screw:

• Size: Dia. 15/16’’, 1’’, L as ordered 16×115, 19×115. Dia. 3/4’’ ×L, L=12’’
• Material: low carbon steel Q235
• Mechanical properties: Min tensile strength 740000psi
• Surface finish: black oil, Wax dipped

Chex screw spike:

• Size: 25×190mm 24×180mm
• Grade: 4.6, 5.6, 8.8
• Standard: AS1085.18
• Surface finish: HDG
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• King rail also accept any other customized types of screw spikes according to customers’ drawings and grade.