Sleeper screw DHS35 with uls7 washer accessories for W14HH fastening system

DHS35 railway screw spike, with the ULS7 plain washer, support the use of the W14HH rail fastening system.

• ·  Diameter: 24mm

• ·  Lengthg: 158mm, 161mm

• ·  Grade: 4.6, 5.6, 8.8

• ·  Material: Q235, 35#, 45#

• ·  Surface Treatment: Plain (oiled), Black painting, Zinc, HDG

• ·  MOQ: 5000PCS

• ·  Packing: 25Kg plastic bags and wooden pallets or according to clients’ requirements

• ·  Supply ability: 5000 Ton/Tons per Month 

• ·  Delivery: within 20 working days

• 
  

Advantages and disadvantages

The DHS-35 sleeper screw is a type of fastening system used in railway construction to secure rail tracks to railway sleepers (or ties). Here are some advantages and disadvantages of the DHS-35 sleeper screw:

Advantages:

1. Corrosion Resistance: The DHS-35 sleeper screw is often coated with anti-corrosion materials, such as zinc, which helps to prolong its lifespan and reduce maintenance requirements.

2. High Tensile Strength: These screws are designed to withstand high levels of tension and ensure a secure connection between the rail track and the sleeper.

3. Ease of Installation: The design of the DHS-35 sleeper screw allows for relatively easy installation, which can reduce labor costs and installation time.

4. Vibration Resistance: The screw's design helps to absorb and withstand the vibrations associated with train traffic, maintaining the stability of the track over time.

Disadvantages:

1. Initial Cost: The DHS-35 sleeper screw may have a higher initial cost compared to other fastening systems, which could impact the overall project budget.

2. Brittle Failure: In certain conditions, such as extreme temperatures or excessive loading, the sleeper screw may be prone to brittle failure, leading to potential maintenance and safety concerns.

3. Environmental Impact: The production and disposal of the materials used in sleeper screws may have environmental implications, especially if not managed properly.

4. Maintenance Requirements: While the screws are designed to minimize maintenance, over time, they may still require periodic inspection and potential replacement.

It's important to consider these factors alongside specific project requirements and environmental conditions when deciding on the use of DHS-35 sleeper screws.

• Why choose us

• 

• 01  We are a professional ,manufacturer of rail dogscrew, with more than 10years experiences of making kinds of railroad spikes, we can meet your customized requirements in details.

• 02  We have workshop, do every step from purchasing material to shipment all by our team, so our prices are the most competitive under same quality.

• 03  Our lead time can be adjust to match your different schedule of different products. Normally 20-30 days is available in producing, inspection, and packing.

• 04  We care about the safety of using our products, with all our workers and technicians working together, it is guaranteed that our railway products reach the international standards, such as AREMA,GB, BS, UIC, DIN, etc.

• 
  

Quality Control

Kunshan Alex Railway Fastening Co., Ltd. is an ISO 9001/2008 certified company. All processes are in accordance with the requirements of the ISO quality management system. From raw material to the finished products, we operate in accordance with standard procedures. We have strict quality control systems for suppliers:

1. Strictly inspection and testing of raw materials

2. Regularly organize quality control coordination meetings with semi-product suppliers to provide technical support.

3.Both sampling and batch testing will be taken while producing to make sure products 100% qualified before shipment.

Certificate:

Other Certificates available on request.

Workshop shown:

Packing for rail screw spikes

1. 50lbs keg +wooden crate ; 100lbs keg +pallet; 200lbs keg +pallet
2. Woven bags in wooden crate 
3. Woven bags +plywood pallet
4. Other ways as per client's requirement

FAQ

Q: Are you manufacturer or trader?

A:We are manufacturer and trader, company located in Kunshan ,Jiangsu Province, China, about 2 hours take taxi from Shanghai airport.

Q: Do you provide samples?

A:Yes, we offer sample for approval before each order.

Q: What's your payment term?

A: 30% deposit by T/T , balance against B/L copy, Payment term is negotiable based on different order products and quantity.

Q: How long is your delivery time?

A: Generally 20-30 working days after receiving deposit or the original L/C. Could be re-schedule under really urgent case.

Q:Can we visit your factory?

A:Of course, you're warmly welcomed. Once we have your schedule, we can arrange everything in advance.

Contact details:

If you have any other questions, pls feel free to contact us as below:

Company name: Kunshan Alex Railway Fastening Co., Ltd.
Address: No.1255 Chengbei Road, Yushan town, Kunshan City, Jiangsu Province, China.
Tel: 0086 512-83639017
Fax: 0086 512- 83639019

Skype/whatsapp/wechat: 86 18914971437