Trilobular Thread Forming Screws
Standard: DIN 7500 (DE)
Thread Type: Thread-Rolling
Commodity: Trilobular Thread Forming Screws
Also Named: Taptite Thread Rolling Screws
Material: Carbon Steel
Property Class: A, B
Form: DE
Diameter: M2, M2.5, M3, (M3.5), M4, M5, M6, M8, M10, M12
Finish: Plain, Black Oxide, Zinc Plated, Hot Dipped Galvanized, Oxidation, Dacromet, Phosphating, Cadmium Electroplate, Nickel Plated
Head Type: Hexagon Head
Drive Type: Outer Hex
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 trilobular thread forming screws in China. Please feel free to buy high quality trilobular thread forming 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 | Trilobular Thread Forming Screws |
Also Named | Taptite Thread Rolling Screws |
Material | Carbon Steel |
Property Class | A, B |
Form | DE |
Standard | DIN 7500 (DE) |
Alternative Standard | UNI 8110 |
Diameter | M2, M2.5, M3, (M3.5), M4, M5, M6, M8, M10, M12 |
Finish | Plain, Black Oxide, Zinc Plated, Hot Dipped Galvanized, Oxidation, Dacromet, Phosphating, Cadmium Electroplate, Nickel Plated |
Head Type | Hexagon Head |
Drive Type | Outer Hex |
Thread Type | Thread-Rolling |
Some of the above standards may be approximately equivalent. If there is any objection, the original standard shall prevail | |
Dimensions Table

| Specifications | ||||||||||||
| d | M2 | M2.5 | M3 | (M3.5) | M4 | M5 | M6 | M8 | M10 | M12 | ||
| P | Pitch | 0.4 | 0.45 | 0.5 | 0.6 | 0.7 | 0.8 | 1 | 1.25 | 1.5 | 1.75 | |
| e | Grade A | min | 4.32 | 5.45 | 6.01 | 6.58 | 7.66 | 8.79 | 11.05 | 14.38 | 17.77 | 20.03 |
| Grade B | min | 4.18 | 5.31 | 5.88 | 6.44 | 7.5 | 8.63 | 10.89 | 14.2 | 17.59 | 19.85 | |
| k | Grade A | max | 1.525 | 1.825 | 2.125 | 2.525 | 2.925 | 3.65 | 4.15 | 5.45 | 6.58 | 7.68 |
| min | 1.275 | 1.575 | 1.875 | 2.275 | 2.675 | 3.35 | 3.85 | 5.15 | 6.22 | 7.32 | ||
| Grade B | max | 1.6 | 1.9 | 2.2 | 2.6 | 3 | 3.74 | 4.24 | 5.54 | 6.69 | 7.79 | |
| min | 1.2 | 1.5 | 1.8 | 2.2 | 2.6 | 3.26 | 3.76 | 5.06 | 6.11 | 7.21 | ||
| s | max=nominal size | 4 | 5 | 5.5 | 6 | 7 | 8 | 10 | 13 | 16 | 18 | |
| Grade A | min | 3.82 | 4.82 | 5.32 | 5.82 | 6.78 | 7.78 | 9.78 | 12.73 | 15.73 | 17.73 | |
| Grade B | min | 3.7 | 4.7 | 5.2 | 5.7 | 6.64 | 7.64 | 9.64 | 12.57 | 15.57 | 17.57 | |
Product Details

Product Advantages

Advantages Of Trilobular Thread Forming Screws
1. Trilobular thread forming screws are designed for reliable and secure fixing into materials such as plastics.
2. Taptite thread rolling screws are suitable for applications where the formation of loose chips during thread cutting must be avoided.
3. Thread rolling improves a part's resistance to fatigue failure in several different ways.
4. Trilobular thread forming screws have higher tension, shear, and fatigue strength.
5. AYA's strict control of product quality allows you to use products with more confidence.
Quality Inspection

1. Quality guarantee and concerning testings are vital parts of the fastener's production. In AYA, most comprehensive inspections are carried out to analyze the fastener with the quantitative analysis method. At last, the thorough results report itself will prove the quality well.
2. The QC inspectors are well experienced in product knowledge as well as manufacturing techniques. Special instruments are applied to conduct multiple tests to ensure that the final products could meet the requirements of the market and customers.
3. Experienced QC staff can provide customers with accurate quality inspection reports.
Packaging & Container Loading

1. Our scale and presence create cost efficiencies in intercontinental shipping as well as local custom clearing, warehousing, and road transportation services. We take care of the last-mile logistics and could issue the invoice based on the DDP term and provide 3PL (third-party logistics) services.
2. Automated packing lines improve the quality and speed of the packaging work.
3. The packaging could be customized according to customer needs. And it would be fully reinforced to prevent unexpected damages during the shipment.
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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