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As a global supplier of customized fastening solutions, AYA's senvice 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 |
Hexagon Bolts With Flange |
Also Named |
Hex Flange Head Screw |
Material |
Steel |
Standard |
DIN 6921 |
Alternative standard |
DIN EN 1665, EN 1665 |
Property Class |
8.8、10.9、12.9 |
Diameter |
M5/ M6/ M8/ M10/ M12/ M14/ M16/ M20 |
Finish |
Plain, Black, Zinc Plated, Hot Dipped Galvanized, Oxidation, Dacromet, Phosphating, Cadmium Electroplate, Nickel Plated |
Head Type |
Hexagon Head |
Drive Type |
External Hex |
Thread Type |
Coarse Thread, Full Thread |
Dimensions Table
| Screw Thread d |
M5 | M6 | M8 | M10 | M12 | M14 | M16 | M20 | ||
| P | Pitch | Coarse thread | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2 | 2.5 |
| Fine thread-1 | / | / | 1 | 1.25 | 1.5 | 1.5 | 1.5 | 1.5 | ||
| Fine thread-2 | / | / | / | 1 | 1.25 | / | / | / | ||
| b | L≤125 | 16 | 18 | 22 | 26 | 30 | 34 | 38 | 46 | |
| 125＜L≤200 | / | / | 28 | 32 | 36 | 40 | 44 | 52 | ||
| L＞200 | / | / | / | / | / | / | 57 | 65 | ||
| c | min | 1 | 1.1 | 1.2 | 1.5 | 1.8 | 2.1 | 2.4 | 3 | |
| da | Form A | max | 5.7 | 6.8 | 9.2 | 11.2 | 13.7 | 15.7 | 17.7 | 22.4 |
| Form B | max | 6.2 | 7.4 | 10 | 12.6 | 15.2 | 17.7 | 20.7 | 25.7 | |
| dc | max | 11.8 | 14.2 | 18 | 22.3 | 26.6 | 30.5 | 35 | 43 | |
| ds | max | 5 | 6 | 8 | 10 | 12 | 14 | 16 | 20 | |
| min | 4.82 | 5.82 | 7.78 | 9.78 | 11.73 | 13.73 | 15.73 | 19.67 | ||
| du | max | 5.5 | 6.6 | 9 | 11 | 13.5 | 15.5 | 17.5 | 22 | |
| dw | min | 9.8 | 12.2 | 15.8 | 19.6 | 23.8 | 27.6 | 31.9 | 39.9 | |
| e | min | 8.71 | 10.95 | 14.26 | 16.5 | 17.62 | 19.86 | 23.15 | 29.87 | |
| f | max | 1.4 | 2 | 2 | 2 | 3 | 3 | 3 | 4 | |
| k | max | 5.4 | 6.6 | 8.1 | 9.2 | 11.5 | 12.8 | 14.4 | 17.1 | |
| k1 | min | 2 | 2.5 | 3.2 | 3.6 | 4.6 | 5.1 | 5.8 | 6.8 | |
| r1 | min | 0.25 | 0.4 | 0.4 | 0.4 | 0.6 | 0.6 | 0.6 | 0.8 | |
| r2 | max | 0.3 | 0.4 | 0.5 | 0.6 | 0.7 | 0.9 | 1 | 1.2 | |
| r3 | min | 0.1 | 0.1 | 0.15 | 0.2 | 0.25 | 0.3 | 0.35 | 0.4 | |
| r4 | ≈ | 3 | 3.4 | 4.3 | 4.3 | 6.4 | 6.4 | 6.4 | 8.5 | |
| s | max=nominal size | 8 | 10 | 13 | 15 | 16 | 18 | 21 | 27 | |
| min | 7.78 | 9.78 | 12.73 | 14.73 | 15.73 | 17.73 | 20.67 | 26.67 | ||
| t | max | 0.15 | 0.2 | 0.25 | 0.3 | 0.35 | 0.45 | 0.5 | 0.65 | |
| min | 0.05 | 0.05 | 0.1 | 0.15 | 0.15 | 0.2 | 0.25 | 0.3 | ||
Product Details
Product Advantages
Advantages of DIN 6921 Full Thread
1. The washer of the hexagon bolts with flange is as strong as itself.
2. The use of hexagon bolts with flange will not cause loss of bolt tension.
3. Hex flange head screw will not cause indentation problems.
4. DIN 6921 full thread reduce the wear and tear caused by embedding.
5. Hexagonal flange bolt no need to use gaskets, making the operation easier.
6. The hexagon bolts with flange are widely used in the construction of oil drilling platforms, energy plants, manufacturing plants, large automobiles and ships.
7. AYA provides you with more targeted fastening solutions.
Quality Inspection
Raw materials quality will be under strict control from the initial stage of the products R&D to the final production.
All production procedures will be supervised by QC inspectors to ensure that the final products are able to meet customers' expectations.
Packaging & Container Loading
AYA has always attached great importance to the R&D of the packaging to improve the appearance as well as the durability in the process of 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.
http://www.ayafasteners.com/
