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ASTM A194 GR 2HM Nuts

ASTM A194 GR 2HM Nuts, ASTM A194 GR 2HM Heavy Hex Nuts, 2HM Nuts & 2HM Nut Manufacturer and Supplier in Mumbai, India

Unifit Metal Alloys is a manufacturer, supplier, stockist and exporter of ASTM A194 GR 2HM Nuts in Mumbai, India, supplying high-strength carbon steel nuts for pressure equipment, piping networks, valves, flanges and demanding industrial assemblies. These nuts are intended for bolted joints where reliable mechanical strength and secure fastening are essential under high-pressure and elevated-temperature service conditions. We supply different sizes, thread configurations and surface finishes for standard as well as customized requirements.

ASTM A194 GR 2HM Nuts are manufactured and heat-treated to provide the mechanical properties required for demanding pressure and mechanical connections. Their robust steel construction enables them to withstand high tightening loads and maintain dependable clamping force when paired with compatible high-strength bolts or studs. They are commonly specified for flange connections and pressure-containing assemblies where joint reliability is critical.

ASTM A194 GR 2HM Nuts, ASTM A194 GR 2HM Heavy Hex Nuts, 2HM Nuts & 2HM Nut Bolting Manufacturer and Supplier in Mumbai, India

These nuts are widely used in oil and gas plants, refineries, petrochemical facilities, power-generation units, pressure vessels, process piping, valves, flanged joints and heavy engineering equipment. Their high-strength characteristics make them suitable for fastening systems exposed to substantial operating loads and demanding service conditions.

The ASTM A194 GR 2HM Nuts range can be supplied in various dimensions, thread forms and finishes to suit different assembly requirements. They are suitable for industrial maintenance, fabrication, equipment installation and project-based applications requiring dependable high-strength nut-and-bolt connections.

Get the Best Quote for ASTM A194 GR 2HM Nuts. We Stock ASTM A194 GR 2HM Nuts in Various Diameters, Thread Sizes, Specifications and Surface Finishes. Contact Us Today for a Competitive Quote.

ASTM A194 GR 2HM Nuts Specifications

Material Carbon Steel
Grade ASTM A194 Grade 2HM
Standard ASTM A194 / ASME SA194
Product Type Heavy Hex Nuts, Hex Nuts, Lock Nuts and Custom Nuts
Size Range 1/4″ to 4″ | M6 to M100 | Custom Sizes Available
Thread Standard UNC, UNF, UNEF, Metric and Custom Threads
Manufacturing Process Hot Forged, Cold Forged and Machined
Heat Treatment Quenched and Tempered
Material Condition High-Strength Carbon Steel
Finish Plain, Black Oxide, Zinc Plated, Hot-Dip Galvanized and Custom Finishes
Corrosion Resistance Suitable for General Industrial and High-Temperature Applications; Protective Coatings Can Be Applied for Improved Corrosion Resistance
Temperature Service Suitable for High-Temperature and High-Pressure Bolting Applications
Application Pressure Vessels, Piping Systems, Flanges, Valves, Oil & Gas, Petrochemical, Refineries, Power Generation and Chemical Processing Equipment

Size Chart for ASTM A194 GR 2HM Nuts

Nut Size Nominal Diameter Width Across Flats Width Across Corners Nut Thickness
1/4″ 6.35 mm 7/16″ 0.505″ 7/32″
5/16″ 7.94 mm 1/2″ 0.577″ 9/32″
3/8″ 9.53 mm 9/16″ 0.650″ 11/32″
1/2″ 12.70 mm 3/4″ 0.866″ 7/16″
5/8″ 15.88 mm 15/16″ 1.083″ 35/64″
3/4″ 19.05 mm 1-1/8″ 1.299″ 41/64″
7/8″ 22.23 mm 1-5/16″ 1.516″ 3/4″
1″ 25.40 mm 1-1/2″ 1.732″ 7/8″
1-1/8″ 28.58 mm 1-11/16″ 1.949″ 31/32″
1-1/4″ 31.75 mm 1-7/8″ 2.165″ 1-3/32″
1-3/8″ 34.93 mm 2-1/16″ 2.382″ 1-3/16″
1-1/2″ 38.10 mm 2-1/4″ 2.598″ 1-5/16″
1-5/8″ 41.28 mm 2-7/16″ 2.815″ 1-7/16″
1-3/4″ 44.45 mm 2-5/8″ 3.031″ 1-9/16″
1-7/8″ 47.63 mm 2-13/16″ 3.248″ 1-11/16″
2″ 50.80 mm 3″ 3.464″ 1-13/16″

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Dimension Chart of ASTM A194 GR 2HM Nuts

Nominal Nut Size Diameter (mm) Width Across Flats (mm) Width Across Corners (mm) Nut Thickness (mm)
1/4″ 6.35 11.11 12.83 5.56
5/16″ 7.94 12.70 14.66 7.14
3/8″ 9.53 14.29 16.51 8.73
1/2″ 12.70 19.05 22.00 11.11
5/8″ 15.88 23.81 27.51 13.89
3/4″ 19.05 28.58 33.02 16.26
7/8″ 22.23 33.34 38.49 19.05
1″ 25.40 38.10 43.99 22.23
1-1/8″ 28.58 42.86 49.48 24.61
1-1/4″ 31.75 47.63 54.99 27.78
1-3/8″ 34.93 52.39 60.48 30.16
1-1/2″ 38.10 57.15 66.05 33.34
1-5/8″ 41.28 61.91 71.50 36.51
1-3/4″ 44.45 66.68 76.99 39.69
1-7/8″ 47.63 71.44 82.49 42.86
2″ 50.80 76.20 87.99 46.04

Ready Stock of ASTM A194 GR 2HM Nuts

ASTM A194 GR 2HM Heavy Hex Nuts
ASTM A194 GR 2HM Hex Nuts
ASTM A194 GR 2HM Hex Jam Nuts
ASTM A194 GR 2HM Heavy Hex Jam Nuts
ASTM A194 GR 2HM Lock Nuts
ASTM A194 GR 2HM Coupling Nuts
ASTM A194 GR 2HM Flange Nuts
ASTM A194 GR 2HM Plain Nuts
ASTM A194 GR 2HM Structural Nuts
ASTM A194 GR 2HM High-Strength Nuts
Carbon Steel ASTM A194 GR 2HM Nuts
ASTM A194 GR 2HM Black Finish Nuts

ASTM A194 GR 2HM Nuts Application Industries

Refineries
90%
Oil and Gas Industry
96%
Power Generation
80%
Pharmaceutical Equipment
85%
Pulp & Paper Industry
88%

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