wafer head screws Combinating with CNC precision machining technology,meet the standard requirements. The hardness of the surface is high and the toughness of the core is good. Packaging Details: 1.bulk+carton+pallet 2.small box + carton + pallet 3.color
Drywall anchor screws is one piece self-drilling anchor designed for use in hollow gypsum wallboard for light duty loads. It is available in both engineered nylon and zamac alloy for use with either a No.6 or No.8 screws in 3/8” to 1” wallboard. The drywa
self tapping locking screw is mainly used for the connection and fixation of some plate parts, such as the connection between color plate and color steel plate, the connection of color steel plate with purlin and wall beam, and its penetration ability gen
high-low thread screw must be heat-treated. Carbon steel high-low thread screw must be carburized, and stainless steel self tapping screws must be treated by solid solution hardening. It can also be made of stainless steel or nonferrous metal. The mechani