Back Home / Fasteners / Nuts / HEX JAM NUT ZINC 3/4″-10 HEX JAM NUT ZINC 3/4″-10 SKU: XJN3410 Categories: Fasteners, Nuts A hex nut which is only 2/3 the thickness of a full form nut. Jam nuts are tightened against the work surface and a finished or heavy hex nut is tightened against the jam nut to keep it from loosening. Made from low carbon zinc plated steel. Proof load: 54,000 psi. Zinc plated. Size: 3/4″-10. Case Quantity: 25 Log In For Pricing