ASTM A194 Grade 2H is medium carbon steel quenched and tempered having proof load stress of 175 ksi . Bhalla Fasteners is the leading 2H nut manufacturer in India manufacturing these high tensile ASTM A194 Grade 2H nuts from Hot Forging process .Normally these 2H nut bears a clear marking on the Fastener face indicating grade 2H. When it comes to 2H nut dimensions, precision is key. Our expertly crafted 2H nuts are available in a variety of sizes to suit your specific needs. With our comprehensive range, finding the perfect fit is a breeze. Our 2H nut dimensions ensure a seamless match for any construction or machinery project. Whether you require smaller sizes for delicate applications or larger dimensions for heavy-duty tasks, we've got you covered. Trust in our high-quality 2H nuts to deliver the exact dimensions you require, ensuring a secure and reliable connection every time. Don't settle for anything less than precise 2H nut dimensions – choose us for unmatched accuracy and quality.
Bhalla Fasteners is the best manufacturer , supplier and exporter of ASTM A194 Grade 2h material which includes metals like manganese and silicon with addition of phosphorus,sulphur and carbon. Due to these elements grade 2H nuts have enhanced corrosion resistance and increase strength.These High tensile nuts are used in heavy vibration and high stress applications such as aircraft engine components, automobile engine components,power generation,petrochemicals ,Gas processing,Pharmaceuticals and sea water equipment. In order to evenly distribute the load of the Fastener the ASTM A194 grade 2H nut is used in conjunction with ASTM A193 Hex Bolt .
ASTM A563 grade DH nut may sometimes be substituted for an ASTM A194 grade 2H nut but ASTM A563 nuts are not subjected to heat treatment unlike ASTM A194 grade 2H.
Bhalla Fasteners is the leading manufacturer, supplier and exporter of ASTM A-194/HEAVY HEX NUTS USA ,UK ,Poland, Germany ,France, Spain, Belgium, Greece, Denmark, Estonia, Hungary, Austria, Portugal, Finland, Czech Republic, Sweden, Latvia, Lithuania, Slovakia, Croatia, Bulgaria, Austrailia, Scotland, Panama, Ireland, Netherlands, Italy, Canada, Mexico, Brazil, Argentina, Colombia, Cuba, Peru, Chile, Costa Rica, Paraguay, Uruguay
Bhalla Fasteners is the leading manufacturer, supplier, exporter, trader of ASTM A-194/HEAVY HEX NUTS in Kolkata, Coimbatore, Salem, Chennai, Hosur, Hyderabad, Andhra Pradesh,Gujrat, Karnataka, Kerala, Perambur, Ennore, Ambattur, Pune, Mumbai, Nasik, Aurangabad, Nagpur, Chandrapur, Ichalkaranji, Jalgoan, Kohlapur, Sriperumpudur, Meerut, Durgapur, Kharagpur, Kalyani.
Astm A194 grade 2h nut dimensions metric are mentioned below as follows . |
Understanding 2H Heavy Nuts:
What are 2H Heavy Nuts? 2H heavy nuts, also known as ASTM A194 Grade 2H nuts, are high-strength nuts made from carbon steel. They are designed to be used in conjunction with ASTM A193 Grade B7 bolts, forming a powerful bolt and nut assembly. These nuts possess exceptional strength and are typically used in applications where high-pressure and high-temperature conditions are encountered.
Characteristics of 2H Heavy Nuts:
Applications of 2H Heavy Nuts:
Construction Industry: The construction industry often requires robust fasteners to secure structural components. 2H heavy nuts, when paired with ASTM A193 Grade B7 bolts, provide a reliable fastening solution for critical applications, including bridges, high-rise buildings, and industrial infrastructure.
Petrochemical and Energy Sectors: In environments where extreme temperatures and pressures are present, such as oil refineries and power plants, 2H heavy nuts are extensively used. Their high-strength properties make them suitable for critical connections in pipelines, heat exchangers, boilers, and other equipment.
Heavy Machinery and Equipment: 2H heavy nuts find applications in heavy machinery and equipment, such as mining machinery, turbines, compressors, and pumps. These nuts ensure secure and reliable connections, even under heavy loads and vibrations.
Advantages of 2H Heavy Nuts:
High Strength and Reliability: The primary advantage of 2H heavy nuts is their exceptional strength, offering reliable fastening and resistance to deformation. This strength is crucial in applications where the failure of a fastener can lead to catastrophic consequences.
Compatibility with Grade B7 Bolts: 2H heavy nuts are specifically designed to be used with ASTM A193 Grade B7 bolts. This compatibility ensures a reliable and efficient bolted connection that can withstand demanding conditions.
Versatility: 2H heavy nuts are available in various sizes, allowing for versatility in application. They can be easily integrated into different projects, accommodating different bolt sizes and requirements.
Conclusion:
In the world of mechanical engineering, 2H heavy nuts play a vital role in ensuring secure connections and structural integrity. With their exceptional strength, corrosion resistance, and compatibility with Grade B7 bolts, these nuts are widely used in construction, petrochemical, energy, and heavy machinery sectors. When working on projects that demand robust fastening solutions, considering the use of 2H heavy nuts is essential for reliable and long-lasting connections.
SIZE |
APPROX PCS PER 50 KGS |
---|---|
5/16" | 6600 |
3/8" | 3650 |
7/16" | 2500 |
1/2" | 1690 |
5/8" | 950 |
3/4" | 580 |
7/8" | 395 |
1" | 278 |
1.1/8" | 190 |
1.1/4" | 146 |
1.3/8" | 113 |
1.1/2" | 83 |
1.5/8" | 68 |
1.3/4" | 55 |
2" | 37 |
2.1/4" | 27 |
2.1/2" | 21 |
2.3/4" | 15 |
3" | 11 |
Nominal Size or Basic Major Thread Diameter | F | G | H | ||||||
Width Across Flats |
Width Across Corners |
Thickness | |||||||
Basic | Max | Min | Max | Min | Basic | Max | Min | ||
1/4 | .2500 | 7/16 | .438 | .428 | .505 | .488 | 7/32 | .226 | .212 |
5/16 | .3125 | 1/2 | .500 | .489 | .577 | .557 | 17/64 | .273 | .258 |
7/16 | .4375 | 11/16 | .688 | .675 | .794 | .768 | 3/8 | .385 | .365 |
1/2 | .5000 | 3/4 | .750 | .736 | .866 | .840 | 7/16 | .448 | .427 |
9/16 | .5625 | 7/8 | .875 | .861 | 1.010 | .982 | 31/64 | .496 | .473 |
3/4 | .7500 | 1-1/8 | 1.125 | 1.088 | 1.299 | 1.240 | 41/64 | .665 | .617 |
7/8 | .8750 | 1-5/16 | 1.312 | 1.269 | 1.516 | 1.447 | 3/4 | .776 | .724 |
1-1/8 | 1.1250 | 1-11/16 | 1.688 | 1.631 | 1.949 | 1.859 | 31/32 | .999 | .939 |
1-3/8 | 1.3750 | 2-1/16 | 2.062 | 1.994 | 2.382 | 2.273 | 1-11/64 | 1.206 | 1.138 |
1-1/2 | 1.500 | 2-1/4 | 2.250 | 2.175 | 2.598 | 2.480 | 1-9/32 | 1.ASTM A194 GR. 8 | 1.245 |
1-3/4 | 1.7500 | 2-5/8 | 2.625 | 2.538 | 3.031 | 2.893 | 1-1/2 | 1.540 | 1.460 |
2 | 2.0000 | 3 | 3.000 | 2.900 | 3.464 | 3.306 | 1-23/32 | 1.763 | 1.675 |
2-1/4 | 2.2500 | 3-3/8 | 3.375 | 3.263 | 3.897 | 3.719 | 1-15/16 | 1.986 | 1.890 |
2-3/4 | 2.7500 | 4-1/8 | 4.125 | 3.988 | 4.763 | 4.546 | 2-3/8 | 2.431 | 2.319 |
Class |
Diameter, [mm] |
Brinell Hardness |
Rockwell Hardness |
|
C Scale |
B Scale |
|||
2H |
To 1.1/2” |
248-327 |
24-35 |
- |
over 1.1/2” |
212-327 |
35 max |
95 min |
Dimensions Of ASTM A194 Grade 2H Heavy Hex Nut
Nominal Size or Basic Major Thread Diameter
|
F
|
G
|
H
|
||||||
Width Across Flats
|
Width Across Corners
|
Thickness
|
|||||||
Basic
|
Max
|
Min
|
Max
|
Min
|
Basic
|
Max
|
Min
|
||
1/4
|
.2500
|
1/2
|
.500
|
.488
|
.577
|
.556
|
15/64
|
.250
|
.218
|
5/16
|
.3125
|
9/16
|
.562
|
.546
|
.650
|
.622
|
19/64
|
.314
|
.280
|
3/8
|
.3750
|
11/16
|
.688
|
.669
|
.794
|
.763
|
23/64
|
.377
|
.341
|
7/16
|
.4375
|
3/4
|
.750
|
.728
|
.866
|
.830
|
27/64
|
.441
|
.403
|
1/2
|
.5000
|
7/8
|
.875
|
.850
|
1.010
|
.969
|
31/64
|
.504
|
.464
|
9/16
|
.5625
|
15/16
|
.938
|
.909
|
1.083
|
1.037
|
35/64
|
.568
|
.526
|
5/8
|
.6250
|
1-1/16
|
1.062
|
1.031
|
1.227
|
1.175
|
39/64
|
.631
|
.587
|
3/4
|
.7500
|
1-1/4
|
1.250
|
1.212
|
1.443
|
1.382
|
47/64
|
.758
|
.710
|
7/8
|
.8750
|
1-7/16
|
1.438
|
1.394
|
1.660
|
1.589
|
55/64
|
.885
|
.833
|
1
|
1.0000
|
1-5/8
|
1.325
|
1.575
|
1.876
|
1.796
|
63/64
|
1.012
|
.956
|
1-1/8
|
1.1250
|
1-13/16
|
1.812
|
1.756
|
2.093
|
2.002
|
1-7/64
|
1.139
|
1.079
|
1-1/4
|
1.2500
|
2
|
2.000
|
1.938
|
2.309
|
2.209
|
1-7/32
|
1.251
|
1.187
|
1-3/8
|
1.3750
|
2-3/16
|
2.188
|
2.119
|
2.526
|
2.416
|
1-11/32
|
1.378
|
1.460
|
1-1/2
|
1.5000
|
2-3/8
|
2.375
|
2.300
|
2.742
|
2.622
|
1-15/32
|
1.505
|
1.433
|
1-5/8
|
1.6250
|
2-9/16
|
2.562
|
2.481
|
2.959
|
2.828
|
1-19/32
|
1.632
|
1.556
|
1-3/4
|
1.7500
|
2-3/4
|
2.750
|
2.662
|
3.175
|
3.035
|
1-23/32
|
1.759
|
1.679
|
2
|
2.0000
|
3-1/8
|
3.125
|
3.025
|
3.608
|
3.449
|
1-31/32
|
2.013
|
1.925
|
2-1/4
|
2.2500
|
3-1/2
|
3.500
|
3.388
|
4.041
|
3.862
|
2-13/64
|
2.251
|
2.155
|
2-1/2
|
2.5000
|
3-7/8
|
3.875
|
3.750
|
4.474
|
4.275
|
2-29/64
|
2.505
|
2.401
|
2-3/4
|
2.7500
|
4-1/4
|
4.250
|
4.112
|
4.907
|
4.688
|
2-45/64
|
2.759
|
2.647
|
3
|
3.0000
|
4-5/8
|
4.625
|
4.475
|
5.340
|
5.102
|
2-61/64
|
3.013
|
2.893
|
3-1/4
|
3.2500
|
5
|
5.000
|
4.838
|
5.774
|
5.515
|
3-3/16
|
3.252
|
3.124
|
3-1/2
|
3.5000
|
5-3/8
|
5.375
|
5.200
|
6.207
|
5.928
|
3-7/16
|
3.506
|
3.370
|
3-3/4
|
3.7500
|
5-3/4
|
5.750
|
5.562
|
6.640
|
6.341
|
3-11/16
|
3.670
|
3.616
|
4
|
4.0000
|
6-1/8
|
6.125
|
5.925
|
7.073
|
6.755
|
3-15/16
|
4.014
|
3.862
|