Description
With a tensile strength of 170,000 psi, these alloy steel screws are stronger than Grade 8 steel screws and are nearly two and a half times stronger than stainless steel thread-locking screws. Their black-oxide finish provides mild corrosion resistance in dry environments. A nylon patch bonded to the threads adds friction to resist loosening from vibration. Screws are reusable, but their holding power lessens with each use. Length is measured from under the head.
Manufacturer Part Number: 91205A240
McMaster-Carr
