ASTM a 193 B7 Heavy Hex Bolt Heavy Hex Structural Bolt with ISO Certificate
Automatic Paper Lunch Box Machine Wenzhou Huaze Machinery Co.,Ltd , https://www.multihz.com
**Product Specifications:**
- **Model No.:** B7-HB-M16
- **Application:** Pipe and Fittings, Oil
- **Finish Options:** Zinc Plated (Yellow, Black, Green), Chrome Plated, Cr+3, Hot DIP Galvanized
- **Name:** ASTM A193 B7 Heavy Hex Bolt (Heavy Hex Structural)
- **Trademark:** ZHUOCHENG
- **Specification:** ANSI
- **Origin:** China
- **HS Code:** 731815
**Standard:** ASTM A193 B7
**Material:** 41CRMO, 4140, B7
**Class:** B7
**Surface Finish:** Black, Zinc Plated (Yellow, Black, Green), Chrome Plated, Cr+3, Hot Dip Galvanized
**Packing Options:**
1. Bulk Packing: Approximately 20–25 kg per carton
2. Standard Pallet Packing
3. Customized as per customer requirements
**About Us:**
Established in 1990, ZHUOCHENG is a professional manufacturer and supplier of high-quality fasteners, combining R&D, foreign trade, and service. We are committed to quality, innovation, and customer satisfaction. Our products meet international standards such as ANSI and BS, and are widely used in industries like automotive, construction, communication, electronics, energy, and more. With strong production capacity and a dedicated team, we ensure reliable and premium fasteners for global clients.
**OEM Service Available:**
We offer custom solutions based on your specifications. Below are the materials, products, finishes, and processing methods we support:
| Product Name | A193 B7 Heavy Hex Structural Bolt |
|--------------|----------------------------------|
| **Materials Available** | Stainless Steel (SS201, SS303, SS304, SS316, SS416, SS420), Steel (C45, Q235), Brass (C36000, C37700), Iron (1213, 12L14, 1215), Aluminum (Al6061, Al6063), OEM according to request |
| **Products Available** | Bolts, Screws, Nuts, Rivets, Stud Bolts, CNC Parts, Washers, etc. |
| **Surface Finish** | Annealing, Natural Anodization, Polishing, Nickel Plating, Chrome Plating, Yellow Passivation, Zinc Plating, Hot Dip Galvanized, PTFE, etc. |
| **Processing Method** | CNC Machining, Turning, Milling, Drilling, Grinding, Broaching, Welding & Assembly |
| **QC (Inspection)** | Technicians self-check during production |
| **Size** | Customized |
| **Tolerance** | ±0.01mm |
| **Offset Distance** | ±0.02mm |
| **Package** | As per customized specifications |
| **Certificate** | ISO9001:2008 |
| **Description** | High-quality, Rich manufacturing experience |
**Packaging & Shipping:**
- **By Sea:** North America/South America – ~40 working days; Eastern Europe – ~30–40 working days; Southeast Asia – ~6–10 working days; Africa – ~35–45 working days; India/Pakistan – ~40 working days; South Korea/Japan – ~40 working days.
- **By Air:** Africa – ~3–5 working days; Other regions – ~1–3 working days.
- **Carton Size:** Standard (26.5 x 21.5 x 16.5 cm), or as per customer request.
- **Packing:** Box, Carton, Plastic Bags, then Pallets, or as per customer request.
**Company Information:**
- **Company Name:** Wuxi Zhuocheng Mechanical Components Co., Ltd.
- **Website:** www.zhuochengwj.com
- **Type of Company:** Manufacturer
- **Certification:** SGS, CE, ISO9001:2008
- **Manufacturing Capacity:** 500 Tons/Month
At ZHUOCHENG, we believe that every bolt, nut, or screw plays a vital role in building the future. That’s why we focus on precision, reliability, and long-term partnerships with our customers. Whether you need standard parts or custom-designed components, we are here to help. Let us be your trusted partner in the world of fasteners.