|Place of Origin:||China|
|Minimum Order Quantity:||10000pcs|
|Packaging Details:||25KG double-layer woven bag with fumigation-free wooden pallet|
|Delivery Time:||15-25 Days after placing formal order|
|Payment Terms:||T/T, 30% in advance|
|Supply Ability:||1500 Tons / Month|
|Product:||Railway Fasteners Plain Oil Black Screw Spikes For Railroad||Color:||Black, White Or Yellow|
|Grade:||4.6, 5.6, 8.8, 10.9||Appliaction:||In Rail Sleeper To Fasten Rails|
|Certificate:||ISO9001, SGS||Warranty:||Two Years|
stainless steel coach screws,
railway sleeper fixing screws
A rail screw spike, also called sleeper screw, rail screw or lag bolt, is a medium or large metal screw used to fasten a rail base plate or rail. Such spikes are always fastened into holes bored into the tie sleeper, sometimes together with imbedded plastic dowels, popularly used for rails with wooden sleepers, especially in America and Canada.
2. Technical Details
|Product||Tensile Strength||Yield Strength||Elongation||Reduction of Area||Hardness|
|High Tensile Screw||120,000psi(min)||92,000psi(min)||14%(min)||35%(min)||HRC22-HRC32|
AREMA, DIN571, Europe standard or other standard required by clients.
Diameter from 12mm to 27mm, without lenth limited.
ASTM A307, ASTM A325, Grade 4.6, 4.8, 5.6, 5.8, 8.8
Black, zinc white, zinc yellow, hot dip galvanised, zinc infiltrated.
8. Our product range:
9. Photos for Reference