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
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
-
- King rail also accept any other customized types of screw
spikes according to customers’ drawings and grade.