Haixin® DASt021 10 HV hex nuts are the key products of our factory. DASt-richtlinie021 is a larger specification versions of DIN6915, namely M39-M64.DASt-richtlinie021 does not belong to DIN standard, which is in line with international standards.The large size is not included by the national standard system because of the different machining tolerance level among enterprises,but only as the standard of the German Wind Power Commission.
Product Parameter (Specification)
| Standard | Grade | Diameter | Surface |
| DASt-richtlinie021 | 10HV | M39-M72 Plain | Plain |
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| Black |
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| HDG |
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| MoS2 |
Product CertificationsDASt021 certification is very challenging and difficult to obtain. Our factory has spent lots of manpower and resources and bought a lot of equipment for it. The on-site audit has been completed. Samples were sent to German laboratory for testing in July.2022. We expect to have cert. for DASt021 10 HV hex nuts before Nov.Hot Tags: DASt021 10 HV Hex Nuts, Manufacturers, Suppliers, Factory, China, Made in China, CE, API, HV
