Special Hilo Self Tapping Thread Hex Flange Bolts
Stud Bolt,Stud Screws,Metric Stud Screws,Stud Bolts Suzhou Chenran Precision Fasteners Co., Ltd. , https://www.chenranfastener.com
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**Application:** Environmental, Building
**Finish:** Blue-White Zinc Plated
**Trademark:** OEM
**Transport Package:** 25kg/Carton; Can Pallet. Or as per customer’s requirements
**Specification:** 3/8"*45
**Origin:** Shanghai, China
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### **Product Description: Hexagonal Flange Bolt – Self-Tapping High-Low Thread Screw with Zinc Coating**
This high-quality hexagonal flange bolt is designed for use in environmental and construction applications. It features a self-tapping design with a high-low thread system (BT type), making it ideal for fastening in various materials.
**Key Features:**
- **Material:** Carbon steel AISI 1022
- **Heat Treatment:** Cemented, seasoned, and stress-relieved
- **Manufacturing Process:** Cold forging
- **Hardness:** Case hardness of 600–700HV (45HRC), core hardness of 300–425HV (38HRC)
- **Drive Type:** Slotted
- **Thread Type:** High-low thread (BT type)
- **Finish:** Blue-white zinc coating (minimum 5µm)
- **Marking:** KS or as per customer request
- **Salt Spray Test:** Minimum 48 hours (ASTM B117), 0% red rust
- **Class:** 10.9, 12.9
This product is commonly used in building construction, material transmission, and for large drill bits. It can be customized in terms of size, material, and finish based on specific needs.
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### **What We Can Do:**
We offer full customization options for all aspects of the product, including:
- **Product Name:** Hexagonal flange bolt with self-tapping high-low thread screw
- **Material Options:** Stainless steel 304/316, carbon steel 45#, 22A, 10B21, alloy steel, aluminum 5052, 6063F22, brass, titanium, and more
- **Hardness Grades:** 4.8 – 12.9
- **Shank Types:** Full thread or partial thread
- **Drive Types:** Slotted, six-lobe, pozi driver, square, triangle, 8-point, Phillips
- **Head Types:** Flat, oval, truss, PF round, button, pan (JIS, ANSI), fillister, square
- **Surface Treatments:** Zinc, nickel, gold, brass, black oxide, etc.
- **Dimensions:** Shank diameter from M1.7 to M30, length from 6mm to 120mm
- **Salt Spray Test:** From 24 hours to 1000 hours
- **Application:** Ideal for fixing objects in place, material transmission, and large drill bits
- **Packaging:** 25kg/carton; pallets available. Custom packaging upon request
OEM service is welcomed, and we are ready to tailor our products to meet your unique specifications.
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### **Product Images:**
[Image 1](http://i.bosscdn.com/uploads/ab/af/53/280fc663a3e6ddc15bc3fa454f.jpg)
[Image 2](http://i.bosscdn.com/uploads/20/61/dc/2582abf5a9963bf17b81740737.jpg)
[Image 3](http://i.bosscdn.com/uploads/93/1a/e7/1390eda021a3e5b47a0cc0e407.jpg)
[Image 4](http://i.bosscdn.com/uploads/4a/c4/a2/b4ff006fd97cb84f88750fa6c8.jpg)
[Image 5](http://i.bosscdn.com/uploads/f4/13/c1/a55aa7f8568fd58878a6dcd439.jpg)
[Image 6](http://i.bosscdn.com/uploads/3b/12/36/ee2863f734e928c5202be6dd56.jpg)
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Let us know if you need further assistance or customizations!