简体中文 / ENGLISH New Product Socket head series Hex head series Steel structural series High temperature and pressure series Self-tapping screws and wood screws Set screws Nuts Carriage bolts,plow bolts Fasteners used in automobiles and other vehicles Special designed fasteners Wind power generation equipments\main projects Add：Xijingtang,jiulonghu town,zhenhai district,ningbo city,P.R.china Zip：315205 Overseas sales：0574-86532777 86532818 Fax：0574-86532222 Domestic sales：0574-86533602 86533603 Fax：0574-86533603 ·Socket head series ·Hex head series ·Steel structural series ·High temperature and pressure series ·Self-tapping screws and wood screws ·Set screws ·Nuts ·Carriage bolts,plow bolts ·Fasteners used in automobiles and other vehicles ·Special designed fasteners ·Wind power generation equipments\main projects HEX HEAD SERIES Material: Carbon Steel, Alloy Steel, Stainless Steel Diameter: M4~M100 (8# ~ 4'') Length:6-1000mm Property Class: Steel: ISO898: 4.6 ~ 12.9; ASTM A307, A354, A449, SAE J429 Gr.2~Gr.8 Stainless Steel: ISO3506: A2 (50 ~ 80), A4 (50 ~ 80), C1, C3, ASTM F593, F594, F738M