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These 6-20 x 1 3/8-inch Phillips bugle head full thread self-drilling drywall screws are made of hardened steel and feature a black phosphate finish for corrosion resistance
This carriage bolt is ideal for securing wood
The bugle head design countersinks easily into the wood
Keep your boat dock sparkling clean with our heavy-duty 1' Dock Washer Galvanized
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 These 6-20 x 1 3/8-inch1 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.
