ASTM A193 B8m Heavy Hex Screw Bolt
A hex cap screw is a type of fastener with a hexagonal head, commonly used in industrial and mechanical applications. These screws are designed to be tightened using a wrench or spanner. Unlike standard hex bolts, hex cap screws typically have tighter tolerances for the head height and shank length, which ensures a more precise fit. This makes them ideal for applications where precision is essential.
**Chemical Components:**
| Material | C | Si | Mn | P | S | Ni | Cr | Mo | Other |
|----------|------|-----|------|------|------|-------|-------|------|-----------|
| 201 | 0.15 | 1 | 5.5-7.5 | 0.06 | 0.03 | 3.5-5.5 | 16-18 | - | N≤0.25 |
| 304 | 0.08 | 1 | 2 | 0.045 | 0.03 | 8.0-10.0 | 18-20 | - | - |
| 304L | 0.03 | 1 | 2 | 0.045 | 0.03 | 8.0-12.0 | 18-20 | - | - |
| 321 | 0.08 | 1 | 2 | 0.045 | 0.03 | 8.0-13.0 | 17-19 | - | Ti≤5*C% |
| 316 | 0.08 | 1 | 2 | 0.045 | 0.03 | 10.0-14.0 | 16-18 | 2-3 | - |
| 316L | 0.03 | 1 | 2 | 0.045 | 0.03 | 10.0-15.0 | 16-18 | 2-3 | - |
| 309S | 0.08 | 1 | 2 | 0.045 | 0.03 | 12.0-15.0 | 22-24 | - | - |
| 410 | 0.15 | - | 1 | - | 0.03 | - | 11.5-13.5 | - | - |
| 420 | 0.26-0.4 | - | 1 | - | 0.03 | - | 12-14 | - | - |
| 430 | 0.12 | 0.75 | 1 | 0.04 | 0.03 | - | 16-18 | - | - |
**About Our Products:**
Our company specializes in manufacturing and supplying high-quality stainless steel hardware. We offer a wide range of products including bolts, screws, nuts, washers, pins, rivets, sleeves, shafts, and CNC precision parts. Our size range includes diameters from M2 to M64 and lengths from 5mm to 400mm (customized options available). We follow international standards such as ANSI, DIN, BS, ISO, JIS, and GB. Our materials include various grades of stainless steel, such as 304, 316, 304L, 316L, 410, 420, and super alloys like 1.4529, 1.4539, and Inconel.
We provide different surface finishes, including self-finish, minor polish, satin polish, black oxide, and electro painting. We also offer OEM and ODM services, ensuring that we meet our customers' specific needs.
**We Promise:**
1. High quality
2. Competitive price
3. Fastest delivery
4. Quick response
5. Excellent service
**Advantages:**
- Wide product range: Any type of stainless steel hardware can be supplied.
- Professional service: We maintain honest and sincere relationships with our clients.
- Quality assurance: Strict quality control system and good market reputation.
- OEM/ODM: Production based on customer drawings or samples.
- Fast delivery: 3 days for stock items, 7-15 days for production.
- Low MOQ: Flexible for small orders.
**Sample Charge:**
- Free for existing molds, sampling time: 3 days.
- Chargeable for custom samples, sampling time: 5-7 days.
**Packing Information:**
- Carton size: 25*16*25 cm
- Wooden pallet/case: 110*90*80 cm
- Custom color boxes and cartons available upon request.
**Delivery Options:**
- By Express: 1kg–50kg (7–10 days)
- By Air: 50kg–500kg (8–12 days)
- By Sea: Over 500kg (slower but more cost-effective)
**Company Information:**
Hand Industrial Ltd was established in 2010 and is a professional manufacturer and supplier of stainless steel hardware. We produce a wide variety of stainless steel fasteners, including bolts, screws, nuts, and more. Our products are widely used in Europe, Australia, North America, the Middle East, Southeast Asia, and some African countries. We offer customized solutions and adhere to international standards. Our goal is to deliver reliable, high-quality products at competitive prices.
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