Using a wrench, loosen the diaphragm assembly by turning the hex bolt counterclockwise.
Using a wrench, reassemble the diaphragm assembly by turning the hex bolt clockwise to tighten.
Stainless steel screw, hex bolt series: tighten screw, machine screw, nail screw, self-tapping screw, expansion bolts, carriage, lifting eyebolt, a tooth, flat mat, play split cotters cushion etc.
Different types of products include high strength bolts, hex bolts, hex socket head cap screws, foundation bolts, stud bolts, U bolts, bolts for electric power steel tower, bolts for oil well, etc.
Founded in 2008, Haiyan Changde Hardware Manufacturing Co. , Ltd. specializes in manufacturing carriage bolts, hex bolts and guard bolts with standards of DIN, ANSI and GB and non-standard bolts.
