|Place of Origin:||JiangSu，China|
|Model Number:||M20 - M50|
|Minimum Order Quantity:||5000 pc|
|Packaging Details:||in woven bags on wooden pallet|
|Delivery Time:||30 days after order|
|Supply Ability:||1,000,000pcs per month|
|Surface Treatment:||Plain Oiled, Oxide Black, Zinc, HDG, Wax, Bitumen, Dacromet, Sherardizing||Type:||Square Flat Head|
hexagon head bolt,
steel bolts and nuts
High Quality Railway Square Head Bolts,nuts and washer with Grade 10.9 material
The head design of square head bolts enables an easier wrench grip for nut tightening. They are usually used in new construction to mimic an older aesthetic or in railway applications.
Rail Bolt, Square Bolt, Railway Bolt, Track Bolt,sleeper bolt,stud bolt,anchor bolt,clamp bolt,insert bolt
DIN, JIS, ISO, ANSI, ASTM, BS, AS
Grade:4.8/ 8.8/ 10.9/ 12.9
Dimensions:M20, M22, M24 M25, M27, M28, M30, M32, M40, M50 and so on
|Name||Railway bolt,High Quality Railway Square Head Bolts,nuts and washer with Grade 10.9 material|
|Square head Bolt|
|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|
1. We own two factories with advanced equipment and well trained workers.
2. We can provide factory price with trading company services.
3. We control the cost for every step of production to keep the low price.
4. We control production quality very strictly to keep none compensation.
5. We guarantee 24 hours response and 48 hours solution providing service.
6. We accept small order quantity before formal cooperation.
7. We ensure you get your order delivery in full within the agreed time period.
8. Due to our volume and selling power, we have excellent freight rates with shipping lines.
9. We strive to always be fair and honest in our dealings with customers.
10. We strive to work together with customers to achieve much more than we can achieve alone.
11. We focus on growing business together with all of our customers.
12. Through our passion and commitment we aim to be a market leader in all our key markets. To maintain our position as market leader we must continue to add value in all that we do.
3.oxide Black (most choice)
1. Brinell Hardness Tester
2. Carbon and Sulfur Analyzer
3. Rockwell Hardness Machine
4. Automatic Impact Testing Machine
5. Metallographic Microscope
6. Automatic High-speed Analyzer
7. Fatigue Testing Machine
8. Metallographic Specimen Polishing Machine
9. Metallographic Specimen Pointing Machine
Established in 2013, ZY Railway has become one of the largest manufacturers 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 provide 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.
According to our quality first rule, ZY pays a lot attention to quality control process. We have been granted by ISO9001-2008 certificates and received the production license of China's Railway Ministry on railway products. We have a full set of inspection instruments to make sure all our railway bolt products are of high quality and up to clients' requirements.
Our product range:
1. Screw spike/Coach screw/Drive screw/Sleeper Screw, Dog spike/Railroad spike/Lock spike/Cut spike,etc.
2. Rail clip/ Tension clamp/ E, R, SKL clip/ DP clip/ Deenik clip
3. Swivel Bolts/ Track Bolt/ Special bolts/ U bolts/ J bolts/ Anchor bolts/ Foundation bolts/ Stud bolts/ Rod bolts/ Curved bolts/ Tunnel bolts
4. Tie plate/ Base plate / Rail plate/ Rail fixing base/ Rail Pads/ Sole plate/ Sole pad
5. Fish plate / Joint bar / Rail joint/ Splice Bar
6. Track bolt/ T bolt / Rail bolt/ Clamp bolt/ Inserted bolt/ Clip bolt/ Fish bolt/ Square bolt/ Rod bolt /Rail joint bolt
7. Clamp plate/ Rail spring clamp/ Anchor plate/ Steel clip
8. Rail Shoulder/ Rail sleeper Inserts/ Rail Anchors for rail sleepers
9. Plastic dowel / Guide plate/ Nylon insert