8 MS51848, Military High Collar Split Lock Washer Black Phosphate D985A4 The screw is made of

The screw is made of steel and has a black oxide & wax finish for corrosion resistance

5 x 16 DIN 7985 A Metric Phillips Pan Machine Screw Full Thread Zinc is a small

8 Metric Fully Threaded Cap Screw Zinc is a high-quality fastener designed for use in a variety of applications

12-24 x 3/8 Phillips Pan Thread Cutting Screw Type F Fully Threaded 18-8 Stainless Steel

making it one of the strongest bolts available

8 MS51848, Military High Collar Split Lock Washer Black Phosphate D985A4 The screw is made ofMS51848 is a military grade split lock washer in a black phosphate finish. It is designed to prevent loosening of screws and bolts due to vibration and other forces. The washer is made from spring steel and features a split design that allows it to conform to the shape of the fastener and the surface it is mounted on. The black phosphate finish provides corrosion resistance and a non reflective surface. MS51848 is commonly used in military