5/16-18 x 3 1/2 Hex Cap Screw Grade 5 Zinc 1-14 which means that it has

which means that it has 12 threads per inch

It has a 5/16-18 thread size and a length of 1 1/2 inches

while the full threads provide maximum holding power

they feature a hexagonal head for easy tightening with a wrench or socket

The 7/16-14 x 2 1/4 Hex Cap Screw Grade 5 Zinc is a high-quality screw that is perfect for a variety of applications

5/16-18 x 3 1/2 Hex Cap Screw Grade 5 Zinc 1-14 which means that it has5 16 18 x 3 1 2 Hex Cap Screw Grade 5 Zinc is a high quality screw designed for use in a variety of applications. It is made of steel and has a zinc coating for added durability. The screw has a hex head for easy driving and a 3 1 2 inch length. It is grade 5, which means it has a tensile strength of 120,000 psi. This screw is perfect for use in projects that require a strong and durable fastener.