M4 x 16 ISO 7045 Metric Phillips Pan External Washer Sems M/S Fully Threaded Zinc MPPB while the flat washer helps

while the flat washer helps to distribute the load and prevent damage to the material being fastened

The 1/4-20 x 1/2 Phillips Pan Square Cone 410 Stainless Sems Fully Threaded 18-8 Stainless Steel is a type of screw that is used in a variety of applications

The 6-32 x 2 Combination (Phil/Slot) Round Head Fully Threaded Machine Screw Zinc is a versatile and durable fastener designed for a wide range of applications

This 4-24 x 7/16 Phillips Pan Self Tapping Screw Type AB is a fully threaded screw made of 18-8 stainless steel

and a length of 5mm

M4 x 16 ISO 7045 Metric Phillips Pan External Washer Sems M/S Fully Threaded Zinc MPPB while the flat washer helpsThe M4 x 16 ISO 7045 Metric Phillips Pan External Washer Sems M S Fully Threaded Zinc is a type of screw that is used in a variety of applications. It is made of steel and has a zinc coating for corrosion resistance. The screw has a Phillips pan head and an external washer. It is fully threaded and has a length of 16 mm. The screw is designed to be used with a nut or washer to secure two pieces of material together.