A sample of SPC Threaded's products can be viewed below. Any locknut below can be provided to meet your application, or your special design can also be quoted. Metric or standard, coarse, fine, or special threads

Our self locking nuts can be made in Titanium, Aluminum, Inconel, Monel, 18-8 stainless, 316 stainless, Hastealloy, Nickel Alloys, Grade 8, Class 8, Class 10, Class 12, 17-4, H1025,H1150, Brass, and many more

Multiple inorganic and electro-deposited coatings available. Including Silver, Cadmium, Zinc, Nickel


It's  what we do, its our main stocking item, the only thing we manufacture in the United State.

From our FlexSlot­® flex type locknut, to Nylon Insert locknuts, 12 points, barrel nuts, Fuji Locknuts, Stover or chamfer top styles, or Metrics, We manufacture and stock in the United States.

We also understand that a one size fits all solution is not a winning solution for modern fastener distributors. SPC has partnered with many US and International manufacturers to assure that any order, large or small, gets the attention and quality it deserves.