Hexagon socket screws are widely used in house constructions
Hexagon socket screws has passed many serious tests.such as mill test,Tensile strength Rm/MPa,Proof load,Rockwell hardness (1d,Half radius）/HRB.easy to install.
Hexagon socket screws is ISO 9001 certificate
We provide sea and air transportation, door-to-door transportation services for Hexagon socket screws. While guaranteeing the order delivery time, we have professional salespersons to track each customer's order.