- Model No.: DIN835
- Type: Round Head Bolt
- Head Style: Flat or Countersunk (depending on application)
- Grade: A2-70 (Stainless Steel)
- Finish: Polished or Passivated
- Standards Available: DIN, ISO, JIS, ANSI, BSW
- Size Range: M4 to M24
- Packaging: Plastic Bag + Carton + Wooden Pallet
- Origin: China
- Material: Stainless Steel (SS304, SS316), Duplex Stainless Steel, Brass, Copper
- Connection Type: Standard Bolt
- Standard: DIN 835
- Application: Machinery, Construction, Industrial Use
- Certifications: ISO, ROHS, SGS
- Available Materials: Carbon Steel, Stainless Steel, Duplex Steel, Brass, Copper
- Trademark: JR
- Specification: M4 to M24
- HS Code: 7318151001
Product | High Quality A2-70 Stainless Steel SS304 Double Thread End Stud Bolt |
Material | Stainless Steel (SS304, SS316), Duplex Steel, Brass, Copper |
Color | As per finish (No color available for raw material) |
Standard | DIN, GB, ISO, JIS, BA, ANSI |
Grade | SS304, SS316, A2-70, A2-80, A4-80 |
Finish | Polished, Passivated |
Thread | Coarse or Fine Threads |
Usage | Construction, Machinery, Industrial Equipment |
Product Images


Company Profile


Packing Details
Each bolt is packed in a plastic bag, then placed into cartons, and finally secured on wooden pallets. Each bag weighs approximately 3-4kg, and each carton contains around 25kg. The maximum weight per pallet is less than 900kg.


Quality Control
ISO 9001:2008 Certified Quality Assurance System
We ensure product quality through advanced testing equipment, including optical filters and hardness testers. All products are produced under the ISO 9001:2008 system and come with ROHS certification for environmental compliance.
FAQ
Q: Are you a trading company or manufacturer? |
A: We are a manufacturer with OEM capabilities. |
Q: What is your delivery time? |
A: 7–10 days if in stock; 15–20 days if not in stock, depending on order quantity. |
Q: Do you offer samples? |
A: Yes, we can provide free samples, but the shipping cost is at the buyer's expense. |
Q: What are your payment terms? |
A: 30% T/T in advance, balance before shipment, or L/C. |
Tungsten carbide welding bars are commonly used in the oil and gas industry for various applications. These bars are made from a combination of tungsten and carbon, which results in a very hard and wear-resistant material. Here are some specific uses of tungsten carbide welding bars in the oil and gas industry:
1. Hardfacing: Tungsten carbide welding bars are used for hardfacing applications, where a wear-resistant layer is applied to drilling tools, valves, pumps, and other equipment exposed to abrasive environments. This helps to extend the lifespan of the components and reduce maintenance costs.
2. Drill bits: Tungsten carbide welding bars are used to manufacture drill bits for oil and gas exploration. The hard and durable nature of tungsten carbide makes it ideal for drilling through tough rock formations.
3. Wear plates and liners: Tungsten carbide welding bars are used to create wear plates and liners for equipment used in oil and gas production. These plates and liners protect the underlying metal surfaces from abrasion and corrosion, ensuring the longevity of the equipment.
4. Valve seats and seals: Tungsten carbide welding bars are used to manufacture valve seats and seals for oil and gas valves. The high hardness and wear resistance of tungsten carbide ensure reliable sealing and prevent leakage in critical applications.
5. Downhole tools: Tungsten carbide welding bars are used in the manufacturing of downhole tools such as stabilizers, reamers, and drill collars. These tools are subjected to high pressures, temperatures, and abrasive conditions, and tungsten carbide helps to enhance their durability and performance.
Overall, tungsten carbide welding bars play a crucial role in the oil and gas industry by providing wear resistance, hardness, and durability to various components and equipment.
Welding Bar,Ni Based Welding Bar,Ni Based Ctc Welding Bar,Sctc Ni Based Welding Bar
Luoyang Golden Egret Geotools Co., Ltd. , https://www.xtc-thermalspray.com