M4 x 18W9 JIS B1188 Phil Pan Split Washer Flat Washer Sems M/S Zinc BSWB The 6-lobe drive requires a

The 6-lobe drive requires a specialized driver for installation

while the slotted hex washer head allows for easy installation with a hex key or screwdriver

Its 1/4-14 thread size and 1/2-inch length make it suitable for securing materials of various thicknesses

This 7/16-20 x 1 1/2 Hex Tap Bolt Grade 5 Fully Threaded Zinc is a high-quality fastener designed for secure and durable connections in various applications

Made of durable zinc

M4 x 18W9 JIS B1188 Phil Pan Split Washer Flat Washer Sems M/S Zinc BSWB The 6-lobe drive requires aThe M4 x 18W9 JIS B1188 Phil Pan Split Washer Flat Washer Sems M S Zinc is a type of washer that is used to distribute the load of a screw or bolt. It is made of zinc plated steel and has a split washer design that helps to prevent the screw or bolt from loosening. The washer has a diameter of 4mm and a thickness of 1. 8mm. It is designed to be used with screws or bolts that have a diameter of 4mm.