Catalogue number: BX4020 Features: ●Standard all-purpose small screw. ●Available in a wide range of sizes, and comes in a half-value pack for easy access on-site. ●For installing wiring devices such as switch boxes. Applications: ●For installing wiring devices such as switch boxes Specifications: ●Dimensions (mm) d: 4 ●Total length (mm): 20 ●Head shape: Flat head ●Type: Full thread ●Packed ●Body screw Material/Finish: ●Iron ●Surface treatment: Trivalent chromium
