(1) The disc anchor bolt is coded as Y according to the construction method;
(2) The flange anchor bolt is T. according to the structural code;
(3) According to the anchor bolt installation method, it is divided into screw-in anchor bolt (code X);
(4) Percussion anchor bolt (code Q);
(5) According to the bearing mechanism, it is divided into the anchor bolt (code C) of the anchor bolt that is only carried by friction and the bearing by friction and mechanical locking (code J);
(6) According to the expansion parts and casing materials of the anchor bolt, they are divided into carbon steel (code G), plastic (code S), and stainless steel (code B).
