(1) Grade:A,B,C,DH,10S.
(2) Size:1/2''-4'', M6-M100.
(3) Material: carbon steel, stainless steel, alloy steel.
(4) Finish:black,plain, zinc, HDG,etc.
(2) Size:1/2''-4'', M6-M100.
(3) Material: carbon steel, stainless steel, alloy steel.
(4) Finish:black,plain, zinc, HDG,etc.