Hexagon Head Self Tapping Screws
Standard: ISO 1479
Thread Type: Self-Tapping Screw Thread
Commodity: Hexagon Head Self Tapping Screws
Also Named: Rotary Hex Head Self Tapping Screw
Material: Steel
Property Class: A
Form/Shape Of Tip: C
Diameter: ST2.2/ ST2.9/ ST3.5/ ST4.2/ ST4.8/ ST5.5/ ST6.3/ ST8/ ST9.5
Finish: Plain, Black, Zinc Plated, Hot Dipped Galvanized, Oxidation, Dacromet, Phosphating, Cadmium Electroplate, Nickel Plated
Head Type: Hexagon Head
Drive Type: Outer Hex
Alternative Standard: GB /T 5285, DIN EN ISO 1479
MOQ: 1000kgs
Lead Time: 30 to 60 days
Product Introduction
Durable hexagon head self-tapping screws for sheet metal, wood, and plastic. AYA Fasteners supplies bulk quantities, custom sizes, and corrosion-resistant finishes for global wholesalers and industrial buyers. Contact us for a quote.
Description of Hexagon Head Self-Tapping Screws
|
Product Name |
Hexagon Head Self-Tapping Screws |
|
Also Named |
Rotary Hex Head Self-Tapping Screw |
|
Material |
Steel |
|
Standard |
ISO 1479 |
|
Alternative standard |
GB /T 5285, DIN EN ISO 1479 |
|
Property Class |
A |
|
Form/Shape Of Tip |
C |
|
Diameter |
ST2.2/ ST2.9/ ST3.5/ ST4.2/ ST4.8/ ST5.5/ ST6.3/ ST8/ ST9.5 |
|
Finish |
Plain, Black, Zinc Plated, Hot Dipped Galvanized, Oxidation, Dacromet, Phosphating, Cadmium Electroplate, Nickel Plated |
|
Head Type |
Hexagon Head |
|
Drive Type |
Outer Hex |
|
Thread Type |
Self-Tapping Screw Thread |
DIMENSIONS TABLE
| Thread Size | ST2.2 | ST2.9 | ST3.5 | ST4.2 | ST4.8 | ST5.5 | ST6.3 | ST8 | ST9.5 | ||
| P | Pitch | 0.8 | 1.1 | 1.3 | 1.4 | 1.6 | 1.8 | 1.8 | 2.1 | 2.1 | |
| a | max | 0.8 | 1.1 | 1.3 | 1.4 | 1.6 | 1.8 | 1.8 | 2.1 | 2.1 | |
| s | max | 3.2 | 5 | 5.5 | 7 | 8 | 8 | 10 | 13 | 16 | |
| min | 3.02 | 4.82 | 5.32 | 6.78 | 7.78 | 7.78 | 9.78 | 12.73 | 15.73 | ||
| e | min | 3.38 | 5.4 | 5.96 | 7.59 | 8.71 | 8.71 | 10.95 | 14.26 | 17.62 | |
| k | max | 1.6 | 2.3 | 2.6 | 3 | 3.8 | 4.1 | 4.7 | 6 | 7.5 | |
| min | 1.3 | 2 | 2.3 | 2.6 | 3.3 | 3.6 | 4.1 | 5.2 | 6.5 | ||
| r | min | 0.1 | 0.1 | 0.1 | 0.2 | 0.2 | 0.25 | 0.25 | 0.4 | 0.4 | |
| y | Reference | Form C | 2 | 2.6 | 3.2 | 3.7 | 4.3 | 5 | 6 | 7.5 | 8 |
| Form F | 1.6 | 2.1 | 2.5 | 2.8 | 3.2 | 3.6 | 3.6 | 4.2 | 4.2 | ||
| Form R | / | / | 2.7 | 3.2 | 3.6 | 4.3 | 5 | 6.3 | / | ||
Product Details
Advantages of Hex Head Self-Tapping Screws
Hexagon head self-tapping screws are widely used for applications where strong holding power and high torque are required. With a sturdy hexagonal head design, these screws provide excellent grip and are suitable for fastening sheet metal, wood, plastic components, light steel structures, electrical boxes, and general industrial assemblies.
Product Highlights
- Strong tightening force with hex head design
- Suitable for manual tools and electric drivers
- Excellent vibration resistance
- Sharp cutting threads for fast penetration
- Designed for metal, wood, and composite materials
- Industrial-grade surface protection options
Usage Scenarios
Packaging & Container Loading
Quality Inspection
Why Choose AYA?
- Precision cold forging
- Fully automated thread forming
- Uniform heat treatment
- Salt spray resistance up to 1,000 hours
- Monthly production: 1,000+ tons
- Strict QC for dimensions, hardness, and coatings
FAQ
Q: What is the difference between hex head self-tapping and self-drilling screws?
A: Self-tapping screws require a pilot hole, while self-drilling screws have a drill tip to create their own hole.
Q: Can I get customized hex head dimensions?
A: YES - custom washers, head height, stamped markings, and unique drive types can be produced.
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