Quarter Turn series 550

Quarter turn fastener for electrical, electronic devices, apparatus and vehicle construction for the attachment of panels, inserts and inspection hatches. The quick release fastener is supplied with a slotted, Phillips, plastic knurled or steel knurled head aplus a star grip.

Function:
With a 1/4 turn, the inserted bolt with cross pin is axially tensioned against the spring by the curve in the lower part. The cross pin engages at the end of the curve.

Assembly:
A hole of Ø 9.5 mm is drilled through the cover plate, the locking bolt is pushed through and secured from the back with the retaining washer. To attach the lower part, a center hole of Ø 12 mm and two fastening holes are drilled according to the hole pattern of the respective base. It can be fastened with screws, rivets or spot welding.