Pre-stressed bolt
USD $15 - $25 /Piece
Min.Order:2000 Pieces
Qingdao Free Trade Zone Health International Co., Ltd.
TRY-B Pre-stressed yield bolt
Can embody repeated on the TRY-A charactics basis by pressure.Tensile strength interposing the first time according to different bolt by ton,first time by pressure x and second by pressure y ton.
Materials:HRB335,HRB400,HRB500,HRB600
SPEC.: 16mm,18mm,22mm,25mm