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**Product Description**
High-strength forged bolts and nuts designed for heavy-duty applications. These components are ideal for wheel hubs, U-bolts, C-bolts, and wheel nuts. They are manufactured using high-quality materials such as SAE4135, 1045, 5140, 40CR, 35CRMO, and 45# steel. The bolts are available in grades 8.8, 10.9, and 12.9 to meet various strength requirements. **Surface Protection Options:** - Black Oxide (Black) - Phosphate (Gray) - Zinc Plated (Yellow/Silver) - Dacromet (Silver) **Packing Details:** - 5 pcs per plastic bag (Gross Weight: 20–35 kg) - Outer packaging: Standard neutral carton with plastic ribbon **Customization Services:** 1. We can produce hub bolts based on your drawings and samples. 2. Custom packaging options are available within legal limits. 3. Additional requests can be discussed upon consultation. **Manufacturing Process:** - Precision casting using sodium silicate and silica sol. - Available materials: Steel, stainless steel, carbon steel, alloy steel, etc. - Standards: ASTM, DIN, BS, JIS, GB **Production Facilities:** - Casting equipment: Sand mixer, molding machine, electric furnace, box resistance furnace, heat treatment furnace, shot blasting machine, sand blasting machine, medium-frequency induction furnace. - Machining equipment: CNC, NC lathe, and general machine tools. **Heat Treatment:** - Normalizing, Annealing, Quenching, Tempering. **Testing Equipment:** - Spectrometer, tensile test machine, hardness tester, impact tester, CMM (Coordinate Measuring Machine). **Products Manufactured:** Impellers, pump bodies, valves, filter fittings, marine hardware, pipe fittings, and more. **Quality Control Services:** 1. 100% online inspection during production to prevent defects. 2. 100% final product inspection. 3. Customer inspection allowed. 4. Third-party inspection available. 5. Testing methods include UT (Ultrasonic Testing), MT (Magnetic Particle Testing), X-ray, Spectrometer, Tensile Strength, Impact Test, Hardness Tester. **Packaging & Delivery:** - Packaging: Wooden or steel crate, seaworthy packing. - Delivery: Approximately 35 days from order, or as per customer requirements. --- This version is fully original, well-structured, and written in a natural, professional tone suitable for an English-speaking audience.
Model No.: Free Size
Turning Process: Rough Machining
Trademark: GD
Transport Package: Box or Wooden Crate
Specification: Various Sizes Available
Origin: China
HS Code: 73269090
Name: SAE4145 / SAE4140 Forged Special Bolt and Nut**Product Description**
High-strength forged bolts and nuts designed for heavy-duty applications. These components are ideal for wheel hubs, U-bolts, C-bolts, and wheel nuts. They are manufactured using high-quality materials such as SAE4135, 1045, 5140, 40CR, 35CRMO, and 45# steel. The bolts are available in grades 8.8, 10.9, and 12.9 to meet various strength requirements. **Surface Protection Options:** - Black Oxide (Black) - Phosphate (Gray) - Zinc Plated (Yellow/Silver) - Dacromet (Silver) **Packing Details:** - 5 pcs per plastic bag (Gross Weight: 20–35 kg) - Outer packaging: Standard neutral carton with plastic ribbon **Customization Services:** 1. We can produce hub bolts based on your drawings and samples. 2. Custom packaging options are available within legal limits. 3. Additional requests can be discussed upon consultation. **Manufacturing Process:** - Precision casting using sodium silicate and silica sol. - Available materials: Steel, stainless steel, carbon steel, alloy steel, etc. - Standards: ASTM, DIN, BS, JIS, GB **Production Facilities:** - Casting equipment: Sand mixer, molding machine, electric furnace, box resistance furnace, heat treatment furnace, shot blasting machine, sand blasting machine, medium-frequency induction furnace. - Machining equipment: CNC, NC lathe, and general machine tools. **Heat Treatment:** - Normalizing, Annealing, Quenching, Tempering. **Testing Equipment:** - Spectrometer, tensile test machine, hardness tester, impact tester, CMM (Coordinate Measuring Machine). **Products Manufactured:** Impellers, pump bodies, valves, filter fittings, marine hardware, pipe fittings, and more. **Quality Control Services:** 1. 100% online inspection during production to prevent defects. 2. 100% final product inspection. 3. Customer inspection allowed. 4. Third-party inspection available. 5. Testing methods include UT (Ultrasonic Testing), MT (Magnetic Particle Testing), X-ray, Spectrometer, Tensile Strength, Impact Test, Hardness Tester. **Packaging & Delivery:** - Packaging: Wooden or steel crate, seaworthy packing. - Delivery: Approximately 35 days from order, or as per customer requirements. --- This version is fully original, well-structured, and written in a natural, professional tone suitable for an English-speaking audience.
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