NingBo ZhengHai YongDing Fastener Co., Ltd., established in 2007? located at DuJiaAo Village, JiuLongHu Town, NingBo. This covers an area of 16000 square meters with 13000 square meters construction....
We mainly produce as following: the stud bolts include B7, B7M, L7, L7M and B16. Our producing range: diameter: 5/ 16 -4 , M8-M100, Length: 16MM-6000MM. The bolts grade 8.8, 10.9, 12....
Model: YD-4001 Category: Article teeth Description: Name: ASTM A193 B7 threaded rods Specifications: length of 1/ 2 " - 4" in diameter 20mm-6000mm Level: B7 Surface treatment: ....