Following a rigorous testing programme, as a result of enquiries from wind turbine manufacturers seeking cost-effective, maintenance-free alternatives to nut and bolt fastening solutions, the Huck® BobTail® lockbolt fastener from Alcoa Fastening Systems (AFS) has earned the prestigious German national technical approval, otherwise known as, allgemeine bauaufsichtliche Zulassungen (abZ). The accreditation was awarded by internationally recognised approval body Deutsches Institut f
Product Model | Inside Diameter | Outside Diameter | Thickness |
NF326 NACHI | 130 | 280 | 58 |
NF226 NACHI | 130 | 230 | 40 |