Ningbo Gangtong Zheli Fasteners Co., Ltd. is a leading manufacturer based in China, specializing in high-strength fasteners and a wide range of hardware products. Established in 2001, the company has grown rapidly, with its factory located in the Zhenhai Chemical Industrial Area of Ningbo and its headquarters and foreign sales department situated in the Jiangdong Eastern Business Center. The factory spans approximately 15,000 square meters, with a monthly production capacity of 2,000 tons. The company operates with a comprehensive research system, efficient supply chain management, large-scale warehousing, and advanced metal fastener technology, offering integrated procurement and distribution services for MRO (Maintenance, Repair, and Operations) solutions. With annual sales exceeding $15 million, the company continues to expand its market presence globally.
**Product Description: Stainless Steel Wedge Anchor / Through Bolt / Expansion Bolt**
1. **Alternative Names**:
Wedge anchor, through bolt, expansion bolt, bolt anchor, stainless steel wedge anchor, stainless steel through bolt.
2. **Usage**:
Through bolts are ideal for fixing various components to concrete walls with a minimum strength of C20/C25. These bolts are inserted into pre-drilled holes and secured by tightening the nut. The design ensures quick expansion of the ring, allowing for rapid final torque and a secure fixation due to the strong grip of the ring within the hole.
**Technical Specifications Table**:
| Product Name | Wedge anchor, Drop in anchor, Expansion bolt, Shield anchor, Chemical anchor, Hollow wall anchor, Sleeve anchor |
|--------------|--------------------------------------------------|
| Standard | DIN, ASTM/ANSI, JIS, EN, ISO, AS, GB |
| Material | Stainless Steel: SS201, SS304, SS316; Carbon Steel |
| Grade | DIN: Gr.4; SAE: Gr.2 |
| Finishing | Zinc (Yellow, White, Blue, Black), Hot Dip Galvanized (HDG), Black Oxide, Geomet, Dacromet, Anodization, Nickel Plated, Zinc-Nickel Plated |
| Production Process | Cold Forging, Stamping, and Assembly |
| Customized Lead Time | Busy Season: 15–30 Days; Slack Season: 10–15 Days |
| Stock Products | Carbon Steel: Drop-in anchor, wedge anchor, shield anchor, expansion bolt; Stainless Steel: All DIN or GB standard stainless steel anchors |
| Free Samples | Available upon request |
The company offers a wide variety of anchor bolts, including round head, 8.8 grade, color-zinc-plated options, with sizes ranging from M6 to M56, as well as 5/32 to 3 inches. The product line also includes black, plain, ZP, YZP, BZP, WZP finishes, and is available under the trademark NGL. The HS code for these products is 7318150000. Packaging includes 25kg per carton, shipped on European pallets, with the origin being Ningbo. The company’s commitment to quality, innovation, and customer satisfaction makes it a trusted supplier in the global fastener industry.
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