Standards:GB/T 5780,GB/T 5781,GB/T 5782,GB/T 5783,GB/T 5785,GB/T 5786
ISO 4014,ISO 4016,ISO 4017,ISO 4018,ISO 8765,ISO 8676
DIN 558,DIN 601,DIN 931,DIN 933,DIN 960,DIN 961
A-6,A-10
BS 916
JIS B 1180
Strength Grade: 4.6, 4.8, 5.6, 5.8, 6.8, 8.8, 9.8, 10.9, 12.9
Size: M6~M52;1/4"to 2"
Surface treatment: Plain, Black, Zinc Plated,HDG

wuxi jinqiu factory has more than 30 years experience in producing fasteners.base on it,we provid clients the best fasteners with the The most favorable price. we were awarded many honor such as quality of trust companies in Jiangsu and we passed the ISO9001 certification in 2008.We can also produce according to customer's requirements and drawings.please contact us if you are interested. Any question will be appreciated.Thanks.