Phillips Two-Piece Screw with Square Washer, M3-M5

This Phillips two-piece screw comes with a square washer, offering stable bearing pressure and reduced loosening risk. It is commonly used for electrical boxes, sheet metal, cabinets, panels and other general fastening applications.

Description



The two-piece screw with square washer is a common combined fastener consisting of a Phillips head screw and a square washer. The square washer increases the contact area, distributes clamping pressure, reduces the risk of loosening and improves the stability of the mounting surface.
Available in M3, M4 and M5 sizes, this screw is widely used for electrical box fixing, sheet metal installation, cabinet assembly, panel mounting, electrical enclosure assembly and other fastening tasks. The Phillips head fits standard screwdrivers, making installation convenient for both mass assembly and maintenance.
It is suitable for hardware traders, electrical equipment manufacturers, cabinet producers, sheet metal processors and equipment assembly buyers. Please select size according to hole diameter, material thickness, load requirement and mounting space.