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Product Details:
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| Available Material: | High Strength Steel, Stainless Steel, Carbon Steel | International Standard: | DIN, ANSI, GB, JIS, Bsw, GOST |
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| Used: | Railway Fastening Syestem | Head Type: | Cup Tap Head And Oval Neck |
| Class/Grade: | 3.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9 | Surface Finishing: | Black Finishing Heat Treatment |
| Finish: | Black | Specification: | M10-M125 |
| Name: | Hot Selling Stainless Steel Black Finishing Surface Treatment Button Head Sqaure Screw Set Of Fishtail Screws Bolts | ||
| High Light: | Carbon Steel Sleeper Timber Screws,OEM Rail Sleeper Timber Screws,Railway Track Galvanized Stainless Steel Screw |
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Sleeper Timber Screws OEM Rail Screw Spike Carbon Steel Galvanized Stainless Steel Screw
Introduction of sleeper screw
A rail screw spike, known also as sleeper screw, rail screw or lag bolt, is a medium or large metal screw when we need to fasten a rail base plate or rail,which 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.
There are various stypes of sleeper screws, such as square head screw spike, hexagon screw spike, double head screw spike, dog screw, timber screw, for materials, SS serious are the most popular and top hot sales.
| Standard: |
ASME B 18.10; DIN 5903 |
| Diameter: | 1/4"-5",M6-M125 |
| Length: | ≤9m or 30feet |
| Material: | Carbon Steel, Alloy Steel, Stainless Steel, Brass |
| Grade: | Class 4.8, 5.8, 6.8, 8.8, 10.9, 12.9 ASTM A193 / ASTM A193M Grade B5 (AISI 501) ASTM A193 / ASTM A193M Grade B6, B6X (AISI 410) ASTM A193 / ASTM A193M Grade B7, B7M (AISI 4140, AISI 4142, AISI 4145, AISI 4140H, AISI 4142H, AISI 4145H ASTM A193 / ASTM A193M Grade L7,L7M,L43 ASTM A193 / ASTM A193M Grade B16 ASTM A193 /A193M, ASTM A320 /A320M Grade B8, B8A (AISI 304, AISI 304L, AISI 304H) ASTM A193 /A193M, ASTM A320 /A320M Grade B8C, B8CA (AISI 347, AISI 347H) ASTM A193 /A193M, ASTM A320 /A320M Grade B8M, B8MA, B8M2, B8M3 (AISI 316, AISI 316L, AISI 316H) ASTM A193 /A193M, ASTM A320 /A320M Grade B8P, B8PA (AISI 305) ASTM A193 /A193M, ASTM A320 /A320M Grade B8N, B8NA (AISI 304N) ASTM A193 /A193M, ASTM A320 /A320M Grade B8MN, B8MNA (AISI 316N) ASTM A193 /A193M, ASTM A320 /A320M Grade B8MLCuN, B8MLCuNA ASTM A193 /A193M, ASTM A320 /A320M Grade B8T, B8TA (AISI 321, AISI 321H) ASTM A193 /A193M, ASTM A320 /A320M Grade B8A, B8RA ASTM A193 /A193M, ASTM A320 /A320M Grade B8S, B8SA ASTM A193 /A193M, ASTM A320 /A320M Grade B8LN, B8LNA (AISI 304N, AISI 304LN) ASTM A193 /A193M, ASTM A320 /A320M Grade B8MLN, B8MLNA (AISI 316N, AISI 316LN) |
| Thread: | M,UNC,UNF,UNS,UNR |
| Finish: | Plain, Zinc Plated(Clear/Blue/Yellow/Black), H.D.G, PTFE,Zinc Nickel,Geomet,Dacromet,Zinteck,Magni |
| Packing: | Bulk in cartons (25kg Max.)+wood Pallet, woven bag then pallet, according to customer special demand |
| Application: | Oil&Gas; Structural Steel; Metal Building; Tower&Pole; Wind Energy; Mechanical Machine; Home Decorating |
| Equipment: | Caliper, Go&No-go gauge, Tensile test machine, Hardness tester, Salt spraying tester, H.D.G thickness tester, 3D detector, Projector, Magnetic flaw detecter, Spectrometer |
| Supply Ability: | 1000 tons per month |
| MOQ: | According to customer demand |
| Trade Term: | FOB/CIF/CFR/CNF/EXW/DDU/DDP |
| Payment: | T/T, L/C, D/A , D/P ,West Union,Paypal.etc |
| Market: | Europe/South&north America/East&South East Asia/Middle East/Australia and etc. |
| Professional: | More than 15 years of experience in the fasteners industry Our Main market is North&South America and proficient in DIN/ASME/ASTM/IFI standard. |
| Our advantage: | One-stop shopping; High quality; Competitive price; Timely delivery; Technical support; Supply Material and Test Reports; Samples for free |
| Notice: | Please let's know the Size, quantity, Material or Grade, surface, If it is special and Non-standard products, please supply the Drawing or Photos or Samples to us |
Bolt inspection is divided into manual and machine. Manual is the most primitive and the most commonly used consistent detection method. In order to minimize the outflow of defective products, general production enterprise personnel inspect the packaged or shipped products by visual means to exclude defective products (defective products include tooth damage, mixed materials, rust, etc.).
Another way is automatic machine detection, mainly magnetic particle inspection. Magnetic particle inspection is to use the interaction between the leakage magnetic field at the defect of the bolt and the magnetic powder, aiming at the difference between the magnetic permeability of the bolts (such as cracks, slag inclusions, mixed materials, etc.) and the magnetic permeability of steel, these materials are discontinuous after magnetization.
The magnetic field at the place will be turbulent, and a leakage magnetic field will be generated on the surface of the workpiece where part of the magnetic flux leakage is formed, thereby attracting the magnetic powder to form the magnetic powder accumulation at the defect - magnetic traces. The accumulation of these magnetic powders is observed and explained, and the purpose of rejecting defective products has been achieved.
Railway parts products we can provide:
1, Rail Spike Series: Rail Screw Spike, rail Dog Spike, rail Elastic Spike etc.
2, Track Bolt series: Track Bolt, Segment Bolt, Metro Bolt, Tunnel Bolt, Hex Bolt, Square Bolt, Turnout Bolt, Fishtail Bolt, T bolt etc
3, Rail Clip series: Nabla rail Clip, Elastic rail Clip, SKL rail Tension Clamp, O rail Clip, Gauge Lock Clip etc
4, Steel Rails series: Railway rails, Crane Rails, Mining Rails, Over the head Rails, etc
5, Steel rail wheels series: Train Wheels, Crane Wheels, Hi-rail vehicle wheels, etc
6, Other materials and accessories: Rail Gauge Insulator, rail rubber Pad, rail Fish plate, Nut, rail Plastic Dowel, rail Tie plate, Spring Washer, Flat Washer, Cast Iron Insert, Anti Creeper, rail Gauge Rod etc.
We also make rail fastenings for crane rail and elevator guide rail, along with other related products. We manufacture according to GB/TB (Chinese national standards and railway standards), AREA, UIC, BS, DIN, ASTM, and AS standards.
Our products are mainly made through hot forging.
The threads of rail screw spikes are made by hot rolling with special threading machines.
We produce metric threads, BS, BSW, TR thread, or round threads.
Our high strength bolts come in different specifications of Class 4.8, 4.6, 5.6, 5.8, 6.8, 8.8, 10.9, and 12.9. A variety of non-standard fastening is also available. We can customize our products using customer drawings or samples as well.
Why choose us:
1. The company is in a leading position in the industry and has obtained SGS-ISO9001: 2008 quality system certification and CRCC certification. Quality is guaranteed.
2. We have 8 professional sales staff and more than 60 professional engineers. Can provide professional and fast suggestions and quotations for your railway customized products
3. Ma′anshan is a port city. We can provide you with faster shipping services
4.20 years of production and sales experience. Deal with all kinds of after-sales problems for you in time.
Contact Us :
We believe in quality first principle of our company .What we sell not only the parts but also our industry knowledge ,experiences and service.
So please send your inquiry with drawing or specifcation details, will revert you good offer,thanks!
Any requirments about our products, pls feel free to contact us as below:
Contact Person: maggie
Tel: +8619945038330
