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Scope This specification2 covers a variety of carbon, alloy, and martensitic stainless steel nuts in the size range 1⁄4″ through 4″ nominal. It also covers austenitic stainless steel nuts in the size range 1⁄4″ nominal and above. These nuts are intended for high-pressure or high-temperature service, or both. Other grades of A194 nuts exist but […]

Scope 1.1 This specification covers the requirements for a coating of zinc mechanically deposited on iron and steel basis metals. The mechanical zinc coating is provided in several thicknesses up to and including 107 μm. The coating as deposited shall have a uniform silvery appearance, and a matte to medium-bright luster. Zinc coatings are usually […]

Scope This specification covers quenched and tempered steel hex cap screws, bolts, and studs having a minimum tensile strength of 120 ksi for diameters 1″ and smaller, 105 ksi for diameters over 1″ to 1-1/2″ and 90 ksi for diameters 1-3/4″ to 3″ inclusive. It covers hex cap screws, bolts and studs for general engineering […]

Scope This specification covers the chemical, mechanical and dimensional requirements for hardened steel washers for use with fasteners having nominal thread diameters of 1/4″ through 4″ and are intended for for general purpose mechanical and structural use with bolts, nuts, studs and other internally threaded and externally threaded fasteners. These washers are suitable for use with fasteners […]

Q: I need my certs right now, I can’t wait, how can I get them ASAP? A: Ask to be registered in our online certification program and you can access your certification documents any time after they have been invoiced. Certifications are uploaded the day after the order ships and in most cases has been […]

Scope 1.1 This specification covers chemical and mechanical requirements for eight grades of carbon and alloy steel nuts for general structural and mechanical uses on bolts, studs and other externally threaded parts. 1.3 Grades C3 and DH3 nuts have atmospheric corrosion resistance and weathering characteristics comparable to that of the steels covered in Specifications A242, […]

Scope This specification covers straight, bent, headed and headless anchor bolts/rods made of carbon, medium carbon boron, alloy, or high-strength low alloy steel. Anchor bolts are used for anchoring structural supports (ie columns/sign structures) to concrete foundations. This specification does not cover mechanical expansion anchors, powder-activated nails/studs or anchor bolts fabricated from deformed bar (rebar.) […]