Hex Head Tapping Screws
Standard: DIN 7976
Thread Type: Self-Tapping Screw Thread
Commodity: Hex Head Tapping Screws
Also Named: Hex Head Self Tapping Screws
Material: Carbon Steel
Property Class: 4.8-12.9
Diameter: ST2.2、ST2.9、ST3.5、(ST3.9)、ST4.2、ST4.8、(ST5.5)、ST6.3、(ST8)
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 tapping screws in China. Please feel free to buy high quality hex head tapping 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 Tapping Screws |
Also Named | Hex Head Self Tapping Screws |
Material | Carbon Steel |
Standard | DIN 7976 |
Property Class | 4.8-12.9 |
Diameter | ST2.2、ST2.9、ST3.5、(ST3.9)、ST4.2、ST4.8、(ST5.5)、ST6.3、(ST8) |
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 | ST2.2 | ST2.9 | ST3.5 | (ST3.9) | ST4.2 | ST4.8 | (ST5.5) | ST6.3 | (ST8) | ||
| P | Pitch | 0.8 | 1.1 | 1.3 | 1.3 | 1.4 | 1.6 | 1.8 | 1.8 | 2.1 | |
| a | max | 0.8 | 1.1 | 1.3 | 1.3 | 1.4 | 1.6 | 1.8 | 1.8 | 2.1 | |
| e | min | 3.38 | 5.4 | 5.96 | 7.59 | 7.59 | 8.71 | 8.71 | 10.95 | 14.26 | |
| r | max | 0.3 | 0.4 | 0.5 | 0.5 | 0.6 | 0.7 | 0.8 | 0.9 | 1.1 | |
| k | Nominal Size | 1.3 | 1.5 | 2.3 | 2.3 | 2.8 | 3 | 4 | 4.8 | 5.8 | |
| min | 1.18 | 1.38 | 2.18 | 2.18 | 2.68 | 2.88 | 3.85 | 4.65 | 5.65 | ||
| max | 1.42 | 1.62 | 2.42 | 2.42 | 2.92 | 3.12 | 4.15 | 4.95 | 5.95 | ||
| s | max=nominal size | 3.2 | 5 | 5.5 | 7 | 7 | 8 | 8 | 10 | 13 | |
| min | 3.02 | 4.82 | 5.32 | 6.78 | 6.78 | 7.78 | 7.78 | 9.78 | 12.73 | ||
| y | max | Type C | 2 | 2.6 | 3.2 | 3.5 | 3.7 | 4.3 | 5 | 6 | 7.5 |
| Type F | 1.6 | 2.1 | 2.5 | 2.7 | 2.8 | 3.2 | 3.6 | 3.6 | 4.2 | ||
Product Details

Product Advantages

Advantages Of Hex Head Tapping Screws
1. It has a superior penetration efficiency with the excellent designing structure.
2. It can be installed fast and easily even without any experience.
3. Outstanding Piercing. It provides exceptional penetration without needing to place excessive stress. It creates its very own string effortlessly so you do not need to stress over penetration in all.
4. It has a long service life due to its high-quality raw materials.
5. AYA can provide you a one-stop solution for fasteners and exporting.
6. OEM & ODM is provided to help you grow your brand.
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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