Countersunk Head Square Neck Carriage Bolt

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Model NO.: Non-Standard
Factory Price: Yes
Certificate: ISO/TS16949
Trademark: JR
Transport Package: Carton: 25x25x17 cm, 36 cartons per pallet.
Specification: ROHS, SGS
Origin: Shanghai, China
HS Code: 7318159090

**Product Parameters**
Standard: DIN975, DIN976, DIN938, DIN939, DIN835
Size: Standard & Non-Standard; Customized Options Available
Material: Carbon Steel, Alloy Steel, Stainless Steel, Brass, etc.
Grade: SAE J429 Gr. 2, 5, 8; ASTM A307 Gr. A, Class 4.8, 5.8, 6.8, 8.8, 10.9, 12.9, etc.
Thread: UNC, UNF
Finish: Plain, Zinc Plated (Clear/Blue/Yellow/Black), Black Oxide, Nickel, Chrome, HDG, etc.
Packing: Bulk in Cartons (Max 25kg) + Wooden Pallet or as per Customer Request
Application: Structural Steel, Metal Building, Oil & Gas, Tower & Pole, Wind Energy, Mechanical Machine, Automotive, Home Decoration, etc.
Testing Equipment: Desktop Direct-Reading Spectrometer, Cutting Machine, Automatic Pre-Milling Machine, Polishing Machine, Hardness Tester (Vickers), Metallography Microscope, Electrolytic Thickness Gauge, Tensile Testing Machine, Salt Spray Device, Magnetic Particle Flaw Detector, Caliper, Go/No-Go Gauge, etc.
Supply Ability: 2000 tons per month
Minimum Order: Not Limited
Trade Terms: FOB, CIF, CFR, CNF, EXW, DDU, DDP
Payment: T/T, L/C, D/A, D/P, Western Union, MoneyGram, etc.
Market: South/North America, Europe, East/Southeast Asia, Australia, Africa, etc.
Our Advantage: One-stop Shopping, High Quality, Competitive Price, Timely Delivery, Technical Support, Supply Material and Test Reports
Notice: Please provide Size, Quantity, Material or Grade, Surface Finish. For Special or Non-Standard Products, please send Drawings, Photos, or Samples.

**Product Description** We specialize in manufacturing high-quality fasteners that meet GB, DIN, ANSI, JIS, and ISO standards. We support customized orders and can produce non-standard fasteners based on customer drawings. **Company Information** Shanghai Jinrui Norm Parts Supplies Co., Ltd. is a leading manufacturer of fastening components and standard parts. The company owns two factories: Shanghai Xingrui Bolt Factory and Shanghai Xingrui Wire Steel Factory. With advanced cold-heading, nut, and hot-heading machines, we ensure precise production. Our products are certified with ISO9001 and TS16949, and we offer competitive pricing and quality control. **Workshop Overview** From raw material to final delivery, our process includes wiring, roughing, annealing, pickling, drawing, heading, rolling, heat treatment, surface treatment, and packaging. Each stage is strictly controlled to ensure quality. **Testing Equipment** Our laboratory is equipped with salt spray testers, direct-reading spectrometers, metallographic analyzers, carbon sulfur analyzers, electrolytic thickness gauges, projectors, hydraulic tensile testers, hardness testers, and other specialized equipment. **Packaging & Shipping** Standard packaging includes cartons and wooden pallets. Each pallet holds 20–25 kg, with 36 cartons per pallet. Custom packaging is available upon request. **Certifications** Jinrui has passed ISO9001 (2001) and TS16949 (2012). We also hold a special equipment manufacturing license for pressure pipelines and have global product liability insurance from PICC. **Why Choose Shanghai Jinrui?** (1) Create value for our customers by offering quality products and design. (2) Provide better quality at lower prices. (3) Continuously develop new products to meet market demands. (4) Experienced in manufacturing and exporting for over 14 years, with reliable delivery via truck, rail, and sea containers. **FAQ** Q1: Are you a factory or trading company? A: We are a specialized fastener supplier, offering the best price. Q2: How many years have you been in foreign trade? A: Over 14 years of export experience worldwide. Q3: Do you have enough stock? A: We maintain sufficient inventory and offer 24/7 service. Q4: How do you ensure quality at each stage? A: Every process is inspected by our quality department. Q5: How do you ensure safe long-distance shipping? A: Professional packing teams ensure secure packaging. Q6: Can you provide samples? A: Yes, samples can be provided according to your requirements. --- This version is more polished, structured, and suitable for a professional buyer or client. Let me know if you'd like it formatted for a website or PDF.

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