1/4-14 x 3/8 Phillips Full Contour Truss Self Tapping Screw Type B Full Thread Zinc NF9C Their square recess drive ensures

Their square recess drive ensures a secure fit with your drill bit

which is a corrosion-resistant alloy that is commonly used in marine and other harsh environments

These 8-18 x 3/4 Unslotted Ind Hex Type B Tapping Screws are fully threaded and made of steel with a hard black zinc finish

These 6-20 x 1 1/2 Slotted Indented Hex Washer Self Tapping Screw Type B Fully Threaded Zinc are designed for use in a variety of applications

1/4-14 x 3/8 Phillips Full Contour Truss Self Tapping Screw Type B Full Thread Zinc NF9C Their square recess drive ensuresThe 1 4 14 x 3 8 Phillips Full Contour Truss Self Tapping Screw Type B Full Thread Zinc is a versatile fastener designed for use in a wide range of applications. It features a sharp point that easily penetrates metal, wood, and plastic, and a full thread that provides maximum holding power. The Phillips drive head allows for easy installation with a standard screwdriver or drill bit. The zinc coating provides corrosion resistance for added durability.