ASTM A563-DH Carbon and Alloy Steel Nuts

ASTM A563-DH Carbon and Alloy Steel Nuts, Heavy Hex Nut for Structural, ASTM A563 & A563M Hexagon Nuts for High-Strength Structural Bolting with Large Width Across Flats, Easy To Install Nut/Bolt High tensile nuts for steel construction

ASTM A563-DH Carbon and Alloy Steel Nuts – This specification covers chemical and mechanical requirements for eight property classes of hex and hex-flange carbon and alloy steel nuts for general structural and mechanical uses on bolts, studs, and other externally threaded parts.
Materials shall be tested and the individual grades shall conform to specified values of material such as hardness and proof load, chemical, and mechanical requirements.
Grades C3 and DH3 nuts have atmospheric corrosion resistance and weathering characteristics comparable to that of the steels covered in Specifications A242/A242M, A588/A588M, and A709/A709M. The atmospheric corrosion resistance of these steels is substantially better than that of carbon steel with or without copper addition (see 5.2). When properly exposed to the atmosphere, these steels can be used bare (uncoated) for many applications.
WINDO METAL offer these nuts in plain steel, mechanically galvanized, hot dip galvanized (dyed and lubricated) and Weathering Steel (Type 3) finishes.

Hex Nut The most common hexagonal fastener with internal threads that screws on to the shank of a bolt or a hex cap screw. Hex nuts have an interior thread that is used to screw the nut onto a hex bolt with matching thread. The use of hex nuts provides a strong, secure join with the bolt that is able to withstand high wear, stress and strain. A finished hex nut is a classic design which is widely used for industrial as well as commercial use. When stainless steel is not an option due to the application or budget, hex nuts are commonly given an electro-deposited zinc plated finish which gives it a different look and feel. HEX NUT DIN934 / BS4032 / BS4190 / BS3692

Nuts made to the requirements of Grade DH shall be marked with the grade symbol, DH (Note 4) on one face.
Heavy hex nuts made to the requirements of Grade DH3 shall be marked with the grade symbol DH3 on one face. Hex nuts made to the requirements of DH3 shall be marked with the symbol HX3 on one face. In addition, the manufacturer may add other distinguishing marks indicating that the nut is atmospheric corrosion resistant and of a weathering type.
In addition, nuts of Grades C, C3, D, DH, and DH3 and hex nuts made to the requirements of DH3, shall be marked with a symbol to identify the manufacturer or private label distributor, as appropriate.

Note 1: Throughout this specification, the term class means property class.
Note 2: Requirements for the four classes 5, 9, 10, and 12 are essentially identical with requirements given for these classes in ISO 898/II. Requirements for Classes 8S and 10S are essentially identical with requirements in an ISO 4775 Hexagon Nuts for High-Strength Structural Bolting with Large Width Across Flats, Product Grade B, Property Classes 8 and 10. Classes 8S3 and 10S3 are not recognized in ISO standards. ASTM A563M Nuts Carbon and Alloy Steel,

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Heavy hex nuts, as defined in ANSI B18.2.2 are greater in width and thickness than standard hex nuts. ASTM A563 is the most commonly referenced ASTM specification for carbon and alloy steel nuts. It includes 8 grades and covers sizes from 1/4″ to 4″.ASTM A194 covers carbon and alloy steel nuts that are intended for use in high pressure and/or high temperature applications. It also covers sizes from 1/4″ to 4″ and includes dozens of grades. SAE J995 is another frequently referenced specification for carbon and alloy steel nuts. It covers sizes from 1/4″ to 1-1/2″ and includes three grades.

WINDO Offers Heavy Hex Nuts in Stainless Steel, Nickel Alloys, Carbon Steel, Alloy Steel, High Tensile alloy Steel, Non ferrous materials like bronze,copper,aluminum,silicon bronze,titanium etc. We manufacture these high/heavy hex nuts as per DIN 5587 Standard, ISO 4033 Standard.