hex socket screw key
1.The main products include high-strength fasteners of 8.8 and 12.9 grade and stainless steel fasteners, like hex socket, set screw, hex socket countersunk screw, half-round head hex socket screw, torx head hilt, umbrella-type hilt, BSP Line Plug Throat Taps, straight pin, taper sleeve screw, connecting screw, spanner, flying ring, double end screw, hex nut, washer and so on.
