**DIN603 Round Head Square Neck Mushroom Head Coach Bolt – High-Quality Stainless Steel 316 Carriage Bolts**
**Product Overview:**
The DIN603 Round Head Square Neck Mushroom Head Coach Bolt is a high-quality stainless steel fastener designed for use in demanding industrial environments. This bolt is ideal for machinery, chemical industries, and environmental applications. It is available in various grades such as A2 and A4, with a passivated finish to enhance corrosion resistance.
**Key Features:**
- **Material:** Stainless Steel (SS304, SS316)
- **Head Style:** Round Head, Mushroom Head
- **Thread Type:** Coarse Thread
- **Finish Options:** Plain, Black Zinc, Electrophoretic
- **Standards:** DIN603, ANSI, GB, JIS, AS, BS
- **Certifications:** ISO9001, SGS, ROHS
- **Export Markets:** Global
- **Packaging:** 25*16*25cm Carton Box, then Polywood Box Packed
**Technical Specifications:**
| Standard | DIN603, B.S, IFI C-40, AS1390 |
|----------|------------------------------|
| Material | SS304, SS316 |
| Diameter | M6~M30, 1/4"~1" |
| Head Shape | Mushroom Head |
| Thread Type | Coarse Thread |
| Tip Type | Flat Point |
| Finish | Plain, Black Zinc, Electrophoretic |
| Grade | A2, A4 |
| Certification | ISO9001:2008, SGS, RoHS, Bureau Veritas |
**Chemical Composition of Materials:**
| 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 | - | - |
**Main Products Offered:**
Bolts, Screws, Nuts, Washers, Pins, Rivets, Sleeves, Shafts, CNC Precision Parts
**Size Range:**
- Diameter: M2–M64; 6#–2", Length: 5mm–400mm (Customized Acceptable)
- Diameter: 1/2"–30", Length: 1/2"–30" (Customized Acceptable)
**Standard Compliance:**
ANSI, UNI, DIN, BS, JIS, AS, GB, ISO, EN
**Surface Finishes Available:**
Plain, Minor Polish, Satin Polish, Black Oxide, Electro Painting
**Other Services:**
OEM, ODM, Customized Service Available
**Why Choose Us?**
1. High Quality: We ensure top-tier quality through strict quality control.
2. Competitive Pricing: Offering great value for your investment.
3. Fast Delivery: Stock items delivered within 3 days, custom orders within 7–15 days.
4. Quick Response: Our team is always ready to assist you.
5. Excellent Service: We prioritize customer satisfaction and build long-term relationships.
**Sample Policy:**
- Sample Charge: Based on request (5–7 days)
- Free Samples: For existing molds (3 days)
**Packing Details:**
- Carton Size: 25x16x25 cm
- Wooden Pallet/Case Size: 110x90x80 cm
- Custom Packaging: Color-printed boxes and cartons available upon request
**Company Profile:**
Hand Industrial Ltd was established in 2010 and has since become a leading manufacturer and supplier of stainless steel hardware. Our products include bolts, screws, nuts, and other fasteners in various materials like SS304, SS316, and more. We are committed to meeting international standards and offering OEM services. Our products are widely used in Europe, Australia, North America, the Middle East, Southeast Asia, and parts of Africa.
**Contact Us:**
**LU PENG**
Sales & Marketing Manager
WWW.HANDINDUSTRIAL.COM.CN
We also supply a wide range of stainless steel fasteners, including hex cap bolts, hex socket cap screws, hex flange bolts, tapping screws, self-drilling screws, hex dome head cap nuts, hex nuts, flange nuts, and more. Let us help you find the right solution for your application.
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