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  1. Home
  2. Nuts
  3. Heavy Hex Nuts

Heavy Hex Nuts

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A563 GRADE A HEAVY HEX NUT, ZINC CR+3 (INCH)

Hex nuts are six-sided, internally threaded fasteners, mated with bolts, studs, screws, and other externally threaded products. The addition of the hex nut ensures that the bolt, etc., stays in place.

Heavy hex nuts are wider across the flats and thicker than hex nuts.

A563 GRADE A HEAVY HEX NUT, PLAIN (INCH)

Heavy Hex Nuts, A563 Grade A Plain (22)

A563 GRADE A HEAVY HEX NUT, ZINC CR+3 (INCH)

Heavy Hex Nuts, A563 Grade A Zinc (34)

A563 GRADE A HEAVY HEX NUT, ZINC YELLOW CR+6 (INCH)

Heavy Hex Nuts, A563 Grade A Yellow Zinc (4)

A563 GRADE A HEAVY HEX NUT, HDG (INCH)

Heavy Hex Nuts, A563 Grade A Galvanized (38)

A563 GRADE C HEAVY HEX NUT, PLAIN (INCH)

Heavy Hex Nuts, A563 Grade C Plain (4)

USA A563 GRADE C HEAVY HEX NUT, PLAIN

Heavy Hex Nuts, A563 Grade C Plain (USA) (3)

A563 GRADE C HEAVY HEX NUT, ZINC CR+3 (INCH)

Heavy Hex Nuts, A563 Grade C Zinc (3)

A563 GRADE DH HEAVY HEX NUT, PLAIN (INCH)

Heavy Hex Nuts, A563 Grade DH Plain (4)

USA A563 GRADE DH HEAVY HEX NUT, PLAIN (INCH)

Heavy Hex Nuts, A563 Grade DH Plain (USA) (5)

A563 GRADE DH HEAVY HEX NUT, HDG / WAX & BLUE DYE (INCH)

Heavy Hex Nuts, A563 Grade DH Galvanized (11)

USA A563 GRADE DH HEAVY HEX NUT, HDG & WAX (INCH)

Heavy Hex Nuts, A563 Grade DH Galvanized (USA) (4)

2H HEAVY HEX NUT, A194/SA 194, PLAIN (INCH)

Heavy Hex Nuts, A194 Grade 2H Plain (44)

USA 2H HEAVY HEX NUT, A194/SA 194, PLAIN (INCH)

Heavy Hex Nuts, A194 Grade 2H Plain (USA) (14)

2H HEAVY HEX NUT, A194/SA 194, ZINC CR+3 (INCH)

Heavy Hex Nuts, A194 Grade 2H Zinc (22)

2H HEAVY HEX NUT, A194/SA 194, HDG (INCH)

Heavy Hex Nuts, A194 Grade 2H Galvanized (13)

USA 2H HEAVY HEX NUT, A194/SA 194, HDG & BLUE WAX (INCH)

Heavy Hex Nuts, A194 Grade 2H Galvanized (USA) (5)

STAINLESS 18 8 HEAVY HEX NUT (INCH)

Heavy Hex Nuts, 18-8 Stainless (16)

STAINLESS 316 HEAVY HEX NUT (INCH)

Heavy Hex Nuts, 316 Stainless (15)

STAINLESS 18 8 GRADE 8 ASTM A194 HEAVY HEX NUT (INCH)

Heavy Hex Nuts, A194 Grade 8 (28)

STAINLESS 316 GRADE 8M ASTM A194 HEAVY HEX NUT (INCH)

Heavy Hex Nuts, A194 Grade 8M (24)

ASTM A194 Grade 2H Nuts Information

ASTM A194 Grade 2H Nuts are a type of heavy hex nut made to meet the ASTM A194 specification. Here's a breakdown of what this means:

  1. ASTM A194: This is a specification issued by the American Society for Testing and Materials (ASTM) covering carbon steel, alloy steel, and stainless steel nuts used in high-pressure and high-temperature service.

  2. Grade 2H: The "2H" designation refers to a specific grade within the ASTM A194 standard. Grade 2H nuts are made from medium-carbon steel that is quenched and tempered. They are designed for use in high-pressure and high-temperature environments, particularly in bolting applications.

  3. Heavy Hex Nut: "Heavy hex" refers to the shape and dimensions of the nut. These nuts are thicker and have larger dimensions across the flats than standard hex nuts, providing greater strength and durability.

Applications: ASTM A194 Grade 2H Nuts are commonly used in the oil, gas, and petrochemical industries, particularly in flanges, fittings, and other bolted connections that require high-strength fasteners to withstand extreme pressures and temperatures.

See More ASTM A194 Grade 2H Nuts  
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