Hex Head Self Tapping Sheet Metal Screws
Standard: JIS B 1123
Thread Type: Self-Tapping Screw Thread
Commodity: Hex Head Self Tapping Sheet Metal Screws
Also Named: Self Tapping Hex Head Metal Screws
Material: Carbon Steel
Property Class: 4.8-12.9
Diameter: ST 3、ST 3.5、ST 4、ST 4.5、ST 5、ST 6、ST 8
Finish: Plain, Black Oxide, Zinc Plated, Hot Dipped Galvanized, Oxidation, Dacromet, Phosphating, Cadmium Electroplate, Nickel Plated
Head Type: Hexagon Head
Drive Type: Outer Hex
Form/Shape Of Tip: Type C/F
Alternative Standard: ISO 1479、DIN 7976、DIN EN ISO 1479、JIS B 1123
MOQ: 1000kgs
Lead Time: 30 to 60 days
Product Introduction
AYA Fasteners (Hebei) Co., Ltd. is one of the most experienced manufacturers and suppliers of hex head self tapping sheet metal screws in China. Please feel free to buy high quality hex head self tapping sheet metal screws made in China here from our factory. For price consultation, contact us.

As a global supplier of customized fastening solutions, AYA's service process is also as close to customers as AYA's products. From describing needs to follow-up services, AYA will promptly and spare no effort to help customers solve any fastening problems that arise, to eliminate the concern of customers.
Product Description
Product Name | Hex Head Self Tapping Sheet Metal Screws |
Also Named | Self Tapping Hex Head Metal Screws |
Material | Carbon Steel |
Standard | JIS B 1123 |
Property Class | 4.8-12.9 |
Diameter | ST 3、ST 3.5、ST 4、ST 4.5、ST 5、ST 6、ST 8 |
Finish | Plain, Black Oxide, Zinc Plated, Hot Dipped Galvanized, Oxidation, Dacromet, Phosphating, Cadmium Electroplate, Nickel Plated |
Thread Type | Self-Tapping Screw Thread |
Head Type | Hexagon Head |
Drive Type | Outer Hex |
Form/Shape Of Tip | Type C/F |
Dimensions Table

Thread Size | s | k | ||
max | min | max | min | |
ST 3 | 5 | 4.8 | 1.7 | 1.5 |
ST 3.5 | 5.5 | 5.3 | 2.4 | 2.2 |
ST 4 | 7 | 6.8 | 2.6 | 2.4 |
ST 4.5 | 7 | 6.8 | 2.8 | 2.6 |
ST 5 | 8 | 7.8 | 3.1 | 2.9 |
ST 6 | 10 | 9.8 | 3.65 | 3.35 |
ST 8 | 12 | 11.75 | 5.15 | 4.85 |
Product Name | Hex Head Self Tapping Sheet Metal Screws |
Also Named | Steel Hex Screws |
Material | Carbon Steel |
Standard | JIS B 1123 |
Size/Diameter | ST 3、ST 3.5、ST 4、ST 4.5、ST 5、ST 6、ST 8 |
Surface/Finish | Plain / Black / Zinc Plated / Thick-Film Passivated(ZSML) / Zinc Flake, Silver(ZFSHL) / Hot Dipped Galvanized / Organic / Geomet / Dacromet/ Phosphating / Cadmium Electroplate / Nickel Plated |
Head Type | Hex Head |
Thread Type | Self-Tapping Thread |
Product Details

Product Advantages

Advantages Of Hex Head Self Tapping Sheet Metal Screws
1. High efficiency. With the exact structure,it can connect the items fast.
2. Durability. It has a quite long service life span due to its high-quality raw material.
3. Environmental durability. It can work in the environment with extreme temperatures.
4. Widely used in various industries.
5. AYA has multiple mills for customized products.
6. AYA has self-owned labs for strict QC testing.
Quality Inspection

Every link in the production will be supervised by quality control personnel to ensure that the final product meets customer expectations.
Sophisticated testing instruments and experienced quality control personnel can provide customers with more accurate quality inspection reports.
Packaging & Container Loading

AYA's product packaging can not only provide very good protection to the product, but also improve the beauty of the product.
AYA provides custom labeling services.
Usage Scenarios

Why Choose AYA?

AYA provides exclusive services to 1000+ members from all over the world every year, with a unique chain service solution system, you only need to click the mouse to get exclusive fastening solution and enjoy door-to-door services.
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