**Product Information:**
- **Model No.:** Double Head Bolt
- **Application:** Machinery, Environmental, Automotive
- **Finish:** Plain
- **Trademark:** Kinsom Fasteners
- **Transport Package:** Standard Packaging
- **Specification:** M6, M8, M10, M12, M16
- **Origin:** Shanghai, China
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**Double End Screw / Bolt for the Automotive Industry**
**Specifications:**
- **Material:** Carbon steel AISI 10B21
- **Custom Parts:** Non-standard screws for automotive applications
- **Manufacturing Process:** Cold forging
- **Size:** M6 x 30
- **Thread Type:** Double thread (for machine and tapping screws)
- **Finish Options:** Dacromet, Phosphated, Aluminum Organic (S439 to Ford specification)
- **Color:** Grey
- **Marking:** KS or as per customer requirements
- **Heat Treatment:** Class 8.8 (per ISO 898-1)
- **Hydrogen Embrittlement Resistance**
- **Carburizing Depth:** Minimum 0.08mm
- **Salt Spray Test (SST):** 400 hours without red rust
- **Torque Breakage:** TORX male E4
- **Industry Use:** Building construction, wood, and other industrial applications
- **Customization:** Size and material can be tailored to meet specific needs
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**What We Can Do:**
All the following details can be customized according to your specific requirements. OEM service is welcome.
| Product Name | Double End Screw / Bolt Used in Automotive Industry |
|--------------|------------------------------------------------------|
| **Material** | Stainless steel 304/316, carbon steel 45#, 22A, 10B21, alloy steel, aluminum 5052, 6063F22, brass, titanium/titanium alloys, etc. |
| **Hardness** | 4.8–12.9 grade |
| **Shank Type** | Full thread or partial thread |
| **Drivers** | Slotted, six-lobe, pozi driver, square, triangle, 8-point, Phillips |
| **Head Types** | Flat, oval, truss, PF round, button, pan (JIS, ANSI), fillister, square |
| **Surface Treatment** | Zinc, nickel, gold, brass, black oxide, etc. |
| **Shank Diameter** | M1.7 – M30 (customizable) |
| **Overall Length** | 6 – 120 mm |
| **Salt Spray Test** | 24hr – 1000hr |
| **Head Diameter** | Based on size |
| **Application** | Ideal for fixing objects in place, material transmission, large drill bits |
| **Packaging** | 25kg/carton; Pallets available. Custom packaging upon request |
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**Product Images:**
[Image 1](http://i.bosscdn.com/uploads/60/d2/66/3c568dea7c05d13154cfbfcc8b.jpg)
[Image 2](http://i.bosscdn.com/uploads/30/47/e3/29e66a45c2be45b7e7b63f3193.jpg)
[Image 3](http://i.bosscdn.com/uploads/c4/a2/f4/8dfe6c0aa932803529138626ec.jpg)
[Image 4](http://i.bosscdn.com/uploads/fa/ea/f0/08eb051232c84135fa097f57f1.jpg)
[Image 5](http://i.bosscdn.com/uploads/b0/68/8a/f9b98dfaa6a920151c6239735e.jpg)
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We specialize in high-quality double head bolts designed for use in the automotive industry. Our products are manufactured using advanced cold forging techniques and come with a range of customization options to suit your unique needs. Whether you're looking for standard or non-standard components, we can provide solutions that meet strict industry specifications. Contact us today to discuss your requirements!
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