1/4-20 x 1 1/4 Phillips Fillister Head Machine Screw Fully Threaded Zinc NY188 The bugle head design countersinks

The bugle head design countersinks easily into the wood

This 5/16 x 1 1/2 fender washer is made of steel and has a black oxide finish

The 7/16-14 x 8 Hex Cap Screw Grade 8 Yellow Zinc is a high-strength fastener designed for demanding applications

5/8" Internal Tooth Lock Washer Zinc is a type of washer used to prevent nuts and bolts from loosening due to vibration or movement

The grade 5 rating indicates its high tensile strength

1/4-20 x 1 1/4 Phillips Fillister Head Machine Screw Fully Threaded Zinc NY188 The bugle head design countersinks1 4 20 x 1 1 4 Phillips Fillister Head Machine Screw Fully Threaded Zinc: This screw has a 1 4 20 thread size, which means it has a diameter of 1 4 inch and 20 threads per inch. It is 1 1 4 inches long and has a fully threaded shank. The head of the screw is a Phillips fillister head, which has a flat top with a cross shaped recess for a Phillips screwdriver. The screw is made of zinc plated steel, which provides corrosion resistance.