Unbrako - DIN 7991 M 6 x 40 ; 12.9 / UC6M40 referenced SOCKET HEAD CAP product produced by high technology. DIN 7991 M 6 x 40 ; 12.9 / UC6M40 is the result of a far more developed technology compared to similar regular products. DIN 7991 M 6 x 40 ; 12.9 / UC6M40 referenced product which is satisfy the customer's needs, offers advantages of quality and cost. Thanks to our large disturbiton network, we offer door delivery in most suitable conditions. DIN 7991 M 6 x 40 ; 12.9 / UC6M40 referenced product is an original piece of your foundation or machine, original parts makes your machine live longer.