With a tensile strength up to 180,000 psi, these alloy steel screws are among the strongest we carry. They are stronger than Grade 8 steel screws

Plastic screws are chemical and oil resistant, nonconductive, and lightweight.

Prevent loosening from vibration with these screws, which have a locking feature to hold them tight.

Seal out contaminants and prevent leaks—a rubber O-ring under the head prevents leaks and seals out contaminants.