What is the flange bolts Look Baidu Encyclopedia

What is the flange bolts? interpretation of the flange bolts: two parts fastened together by a hexagonal head and flange (gasket with hex hexagon below) and screw (cylinder) with an external thread fasteners and nut with connecting the two parts with a hole for fastening ...high pressure hydraulic fittings
To be in conjunction with the nut, connecting the two parts with a hole for fastening.
This form of connection, said bolts. Such as unscrew the nut from a bolt, two separate parts, the bolt connection is detachable connection.hose adapters