6-19 x 1/4#5HD Phillips Truss High Low Screw Fully Threaded Zinc 1/4-10 and the split washer helps

and the split washer helps to create a tight seal

measured from the underside of the head to the tip

which means it can create its own threads in the metal

this washer provides excellent electrical insulation and resistance to corrosion

The 3/8-16 x 2 Hex Cap Screw Grade 2 Non A307 Black Oxide and Oil is a versatile and durable fastener designed for a wide range of applications

6-19 x 1/4#5HD Phillips Truss High Low Screw Fully Threaded Zinc 1/4-10 and the split washer helps**6 19 x 1 4#5HD Phillips Truss High Low Screw Fully Threaded Zinc** This screw is designed for high performance fastening applications. It features a #5 Phillips drive head for secure driving, a truss head for a flush finish, and a high low thread design for exceptional holding power. The 1 4" diameter and 6 19 thread pitch provide optimal strength and versatility. Made from durable zinc plated steel, this screw resists corrosion and wear, ensuring