Screw flush long thread DIN 609 M20x130-8.8

Product detailed description

The long thread flush bolt according to DIN 609 and ČSN 021111 is made of steel of strength class 8.8, which guarantees high strength and resistance to mechanical stress. The bolt has a total length of 130 mm and is equipped with a hexagonal head, which allows for effective transmission of torque during assembly. The thread diameter is M20 with a thread length of 30.5 mm and a pitch of 2.50 mm, which is a standard metric thread suitable for a precise and solid connection. The outer diameter d is 20 mm, while the diameter D is 21 mm, which ensures a precise fit in the holes with minimal clearance. The head width B1 is 30 mm and the head height H is 13 mm, which provides sufficient contact area for the wrench. The bolt is supplied without surface treatment, which is suitable for applications where additional corrosion protection is not required. This type of screw is often used in mechanical engineering and construction, where it is necessary to ensure a precise and firm connection of components.