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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
Standard |
DIN 478 |
Thread Type |
Coarse Thread / Partial Thread |
Commodity |
Square Head Bolts With Collar |
Also Named |
Galvanized Square Head Bolts |
Material |
Steel |
Property Class |
4.6~12.9 |
Diameter |
M5, M6, M8, M10, M12, M16, M16, M20, M20, M24 |
Finish |
Plain/ Black/ Zinc Plated/ Hot Dipped Galvanized/ Organic/ Dacromet/ Phosphating/ Cadmium Electroplate/ Nickel Plated |
Head Type |
Square Head |
Drive Type |
External Square |
MOQ |
1000kgs |
Lead Time |
30 to 60 days |
Dimensions Table
| Thread Size d |
M5 | M6 | M8 | M10 | M12 | M16 | M16 | M20 | M20 | M24 | ||||
| P | Pitch | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2 | 2.5 | 2.5 | 3 | |||
| b | +2P，0 | L≤125 | 16 | 18 | 22 | 26 | 30 | 38 | 38 | 46 | 46 | 54 | ||
| L＞125 | - | - | - | 32 | 36 | 44 | 44 | 52 | 52 | 60 | ||||
| c | min | 1.88 | 1.88 | 1.88 | 2.88 | 2.88 | 3.85 | 3.85 | 4.85 | 4.85 | 5.85 | |||
| max | 2.12 | 2.12 | 2.12 | 3.12 | 3.12 | 4.15 | 4.15 | 5.15 | 5.15 | 6.15 | ||||
| dc | max=nominal size | 9.5 | 10.5 | 13.5 | 16.5 | 19.5 | 25 | 25 | 31 | 31 | 36 | |||
| min | 8.92 | 9.8 | 12.8 | 15.8 | 18.66 | 24.16 | 24.16 | 30 | 30 | 35 | ||||
| ds | max=nominal size | 5 | 6 | 8 | 10 | 12 | 16 | 16 | 20 | 20 | 24 | |||
| min | 4.82 | 5.82 | 7.78 | 9.78 | 11.73 | 15.73 | 15.73 | 19.67 | 19.67 | 23.67 | ||||
| k | min | 6.82 | 7.82 | 9.82 | 12.78 | 14.78 | 19.74 | 19.74 | 24.74 | 24.74 | 27.74 | |||
| max | 7.18 | 8.18 | 10.18 | 13.22 | 15.22 | 20.26 | 20.26 | 25.26 | 25.26 | 28.26 | ||||
| s | max=nominal size | 5 | 6 | 8 | 10 | 13 | 16 | 17 | 21 | 22 | 24 | |||
| min | 4.82 | 5.82 | 7.78 | 9.78 | 12.73 | 15.73 | 16.73 | 20.67 | 21.67 | 23.67 | ||||
| e | max=nominal size | 6.5 | 8 | 10 | 13 | 17 | 21 | 22 | 27 | 28 | 32 | |||
| min | 5.92 | 7.42 | 9.42 | 12.3 | 16.3 | 20.16 | 21.16 | 26.16 | 27.16 | 31 | ||||
Product Details
Product Advantages
Advantages Of Square Head Bolts With Collar
1. The offered DIN 478 square head bolts with collar by AYA is available in a qualitative range of sizes, grades, and finish.
2. We offer square bolts from M5 to M24 and in larger quantities to be delivered in a diverse range of industries. For example, oil refineries, mining industry, chemical manufacturing, steel and aluminum manufacturing, utilities and transportation, and Industrial construction and other industries.
3. These Metric DIN 478 Square Head Bolts are externally threaded that provides a significantly larger surface area dependent on the diameter and length of the bolt.
4. AYA has been deeply involved in fastener industry with a single-minded and dedicated attitude, devoting to providing our customers with more industry-specific, professional, standardized, and precise Fasteners solutions.
5. As a professional fastening solutions supplier, AYA provides exclusive services to more than 1000 of our members around the globe and unique chain service solution system. To get a exclusive Fastening solution by a simple click.
Quality Inspection
The QC inspectors are well experienced in the products knowledge as well as the manufacturing techniques. Special instruments are applied to conduct multiple testings to ensure that the final products could meet the requirements of the market and customers.
Packaging & Container Loading
Door-to-door services don't stop at the harbour. AYA has professional logistics department and established impressive logistic system all over the world.
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/
