Ohun elo pupọ Harden Hex Bolt pẹlu HRC 35 ~ 58
0 agbeyewo
Awọn ọja akọkọ: 4.8 grade, 8.8 grade, 10.9 grade, 12.9 grade Hex Bolts, Countersunk Bolts, Bọtini ori bọtini, Awọn boluti Imugboroosi pẹlu awọn eso ti o baamu ati awọn fifọ. A le gbe awọn ẹru pẹlu awọn ipele oriṣiriṣi bii GB, DIN, ANSI, BC, JIS ati ISO, ati pe o ti ni orukọ rere lati AMẸRIKA, Tọki, Brasil, Japan, Argentina bbl