**Product Details:**
- **Application:** Environmental, Building
- **Finish:** Blue-White Zinc Plated
- **Trademark:** OEM
- **Transport Package:** 25kg/Carton; Can Pallet. Or According to Customers' Requests
- **Specification:** 3/8"*45
- **Origin:** Shanghai, China
---
**Product Name:** Hexagonal Flange Bolt – Self-Tapping High-Low Thread Screw with Zinc Coating
**Description:**
This high-quality hexagonal flange bolt is designed for durability and efficiency in various applications, especially in the construction and environmental industries. It features a self-tapping design that allows it to be driven directly into materials without pre-drilling. The bolt is made from carbon steel AISI1022, ensuring strength and reliability.
**Key Features:**
- **Thermo-Chemical Treatment:** Cemented, seasoned, and stress-relieved for enhanced performance.
- **Non-Standard Step Bolts with Knurling:** Provides better grip and stability.
- **Cold Forging Process:** Ensures structural integrity and precision.
- **Case Hardness:** 600–700HV / 45HRC
- **Core Hardness:** 300–425HV / 38HRC
- **Drive Type:** Slotted
- **Size:** 3/8" x 45mm
- **Class:** 10.9, 12.9
- **Tail Type:** Cutting Point
- **Thread Type:** BT Type (High-Low Thread)
- **Finish:** Blue-White Zinc Coating (Minimum 5µm)
- **Marking:** KS or as per customer requirements
- **Heat Treatment Thickness:** 0.15–0.28mm
- **Salt Spray Test (SST):** Minimum 48hrs, 0% red rust (per ASTM B117)
- **Customization Available:** Size, material, finish, and application can be tailored to meet specific needs.
**What We Can Do:**
| Product Name | Hexagonal Flange Bolt – Self-Tapping Thread Screw with Zinc Coating |
|-------------|--------------------------------------------------------------------|
| **Material** | Stainless Steel 304/316, Carbon Steel 45# / 22A / 10B21, Alloy Steel, Aluminum 5052 / 6063F22, Brass, Titanium, etc. |
| **Hardness** | 4.8–12.9 Grade |
| **Shank Type** | Full Thread / 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 (Customized by Your Needs) |
| **Overall Length** | 6 – 120mm |
| **Salt Spray Test** | 24hr – 1000hr |
| **Head Diameter** | Customized Based on Size |
| **Application** | Used for fixing objects in place, material transmission, and large drill bits. |
| **Packaging** | 25kg/carton; Can be Palletized or Customized as Per Customer Request |
---
**Product Images:**
[Image 1]
[Image 2]
[Image 3]
[Image 4]
[Image 5]
[Image 6]
We are a professional manufacturer offering OEM services. Our products are widely used in construction, engineering, and industrial applications. If you have any special requirements, please feel free to contact us. We are committed to providing high-quality fasteners that meet your exact specifications.
Hex Flange Bolts
Hex Flange Bolts,Flange Bolt,Hexagon Flange Bolts,Flange Head Bolts
Suzhou Chenran Precision Fasteners Co., Ltd. , https://www.chenranfastener.com