|Place of Origin:||China|
|Model Number:||Railway Bolt|
|Minimum Order Quantity:||5000pcs|
|Packaging Details:||Plastic bags and wooden pallets or according to clients' requirement|
|Delivery Time:||30 days after received your payment|
|Supply Ability:||500,000pcs per month|
|Product Name:||High Tensile Strength DHG Black Oxide Bolts And Nuts With High Grade 8.8||Material:||Q235. 35#. 45#. 40Cr|
|Grade:||4.8 5.8 8.8 10.9.||Main Surface Treatment:||Plain (oiled), Oxide Black, Zinc, HDG, Wax, Bitumen, Dacromet|
|Application:||Railway Construction ,infrastrure||Certificate:||ISO9001, SGS|
hexagon head bolt,
steel bolts and nuts
Standard:DIN, JIS, ISO, ANSI, ASME, BS, AS
Grade:4.8/ 5.8/8.8/ 10.9/ 12.9
Dimensions:According to customers' requirement .
Process: Hot forging .
|Type||T-bolt ,Hex head bolt ,Squair head bolt and other kinds of bolts|
|Or the type by customers’ drawings|
|Mechanical properties||Tensile strength: ≥400Mpa||Tensile strength:≥500Mpa||Tensile strength:≥800Mpa||Tensile strength:≥1000Mpa|
|Yield strength:≥240Mpa||Yield strength:≥300Mpa||Yield strength:≥640Mpa||Yield strength:≥900Mpa|
|Cold bending: 90 degree without crack||Cold bending: 90 degree without crack||Cold bending: 90 degree without crack||Cold bending: 90 degree without crack|
|Surface||plain (oiled), Oxide black, Zinc, HDG, wax, bitumen, Dacromet, Sherardizing|
Established in 2013, ZhongYue has become one of the largest manufacturer of Railway fasteners in China. Our products are manufactured according to international standards such as ASTM, DIN, BS, JIS, AS, NF, ISO,GOST and GB. They are inspected frequently by BV, SGS, and ABS. We have been granted ISO9001:2008 certificate and supply products to famous companies such as VAE, Hilti,Vossloh etc. We are a qualified supplier of Canada railway, Kazakhstan railway, American railway, Zambia railway, Thailand railway, Indonesia railway, Malaysia railway, Sweden railway, New Zealand railway, South Africa railway etc.
Railway, Mining, Bridge, Construction and so on