1 Inch Self Tapping Screws
Stainless steel hex self tapping screws with extra sharp threads fulfill your high-strength application, which available in different sizes. The material of hexagon head self-tapping screws provides corrosion resistance, value, and strength.

Standard: ISO 1479
Thread Type: Self-Tapping Screw Thread
Diameter: ST2.2/ ST2.9/ ST3.5/ ST4.2/ ST4.8/ ST5.5/ ST6.3/ ST8/ ST9.5
Alternative Standard: GB /T 5285, DIN EN ISO 1479
MOQ: 1000kgs
Lead Time: 30 to 60 days

| ST2.2 | ST2.9 | ST3.5 | ST4.2 | ST4.8 | ST5.5 | ST6.3 | ST8 | ST9.5 | |||
| P | 0.8 | 1.1 | 1.3 | 1.4 | 1.6 | 1.8 | 1.8 | 2.1 | 2.1 | ||
| a | 0.8 | 1.1 | 1.3 | 1.4 | 1.6 | 1.8 | 1.8 | 2.1 | 2.1 | ||
| s | 3.2 | 5 | 5.5 | 7 | 8 | 8 | 10 | 12 | 16 | ||
| 3.02 | 4.82 | 5.32 | 6.78 | 7.78 | 7.78 | 9.78 | 12.73 | 15.73 | |||
| e | 3.38 | 5.4 | 5.96 | 7.59 | 8.71 | 8.71 | 10.95 | 14.26 | 17.62 | ||
| k | 1.6 | 2.3 | 2.6 | 3 | 3.8 | 4.1 | 4.7 | 6 | 7.5 | ||
| 1.3 | 2 | 2.3 | 2.6 | 3.3 | 3.6 | 4.1 | 5.2 | 6.5 | |||
| r | 0.1 | 0.1 | 0.1 | 0.2 | 0.2 | 0.25 | 0.25 | 0.4 | 0.4 | ||
| y | 2 | 2.6 | 3.2 | 3.7 | 4.3 | 5 | 6 | 7.5 | 8 | ||
| 1.6 | 2.1 | 2.5 | 2.8 | 3.2 | 3.6 | 3.6 | 4.2 | 4.2 | |||
| / | / | 2.7 | 3.2 | 3.6 | 4.3 | 5 | 6.3 | / | |||

1. Stainless steel hex head self tapping screws are a mechanical part. It mainly used in the steel structure of the color steel tile fixed, but also used in the simple building of the thin plate fixed.
2. Hexagon self-tapping screw is constructed by a special electric tool. Drilling, tapping, fixing, and locking can be completed at one time.
3. Self-tapping screws are mainly used for the connection and fixation of some thinner plates, such as the connection of color steel plates and color steel plates, the connection of color steel plates, wall beams, etc.
4. Tapping screws are often exposed outdoors, and they have strong corrosion resistance.
5. Stainless steel screws are also ideal for outdoor applications. It offers both magnetic and non-magnetic styles.

1. Inspection stainless steel hex head self tapping screws raw materials when arrived, ensure they will match customers' requirements.
2. Inspect the semi-finished goods.
3. Online quality control.
4. Final products quality control.
5. Final inspection while packing up all the goods.
6. Our QC will issue the inspection report and release for shipping.


1. Quality control: we make 100% quality test during producing and before shipping.
2. Rich experience: we have been exported screws for more than 20 years.
3. Competitive prices
4. Timely quotation
5. Good services: we supply OEM, ODM, OBM services and the best after-sale services.
6. Punctual delivery
Popularne oznake: 1 inch self tapping screws
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