Gr.*2.9 high-strength hex bolt DIN**3
Wenzhou shengchuang hardware co., ltd. Professional production of
*2.9 level and *0.9 level high-strength outer hexagon, sunk,
hexagon inside semi-circle bolt.
Excellence constant innovation, we will be first-class management,
first-class equipment, the development of And production of
products consistent with customer requirements.
