Types of Fasteners Products

HEAVY HEX NUT FASTENER

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Specification

CHEMICAL & MECHANICAL COMPOSITION

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HEAVY HEX NUT FASTENER

ASTM A563 Heavy Hex Nuts Available In Various Forms And Size, Products Like Nuts, Bolts, Stud Bolts And Washers Etc.

ASTM A194 Stainless Steel 304/304H/304L Heavy Hex Nut Fasteners, ASTM A182 SS 316/316Ti Fasteners, ASTM A194 SS 317/317L/321 Heavy Hex Nut, Carbon Steel ASTM A194 B6/B7 Heavy Hex Nut Fasteners.

Detailed Information

Prashaant Steel & Alloys specializes in manufacturing large caliber Heavy Hex Nut Fasteners. Among others, the Heavy Hex Nut Fasteners we make are common thanks to their superlative quality. At Prashaant Steel & Alloys Building, we are a well-equipped manufacturing facility with state-of-the-art technologies that enable us to produce industry-appreciated Heavy Hex Nut Fasteners. At Prashaant Steel & Alloys, we believe in consumer service and so we aim to fulfill our customers’ price and quantity demands and aspirations. Our massive inventory helps deliver bulk orders to our customers in no time. We market our products to various countries around the world and store our Heavy Hex Nut Fasteners in appropriate wooden boxes to avoid any damage to our product while shipping. We also include all the documents you require with our packaging. Some of the documents that we provide with our Heavy Hex Nut Fasteners are raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report, etc. 

Fastener dimensions, dimensional tolerances are defined in the ASTM A307/A563 standards. ASTM A563 Heavy Hex Nuts standard covers pressure-temperature ratings, materials, dimensions, tolerances,marking, testing, and methods of designating openings for fasteners. Owing to our in-depth industry experience and precise knowledge of this domain, we are offering an outstanding assortment of Heavy Hex Nut.

Heavy hex nuts are washer faces are slightly larger and thicker than standard hex nuts. The heavy hex pattern is typically used for large diameter and high strength bolts. Galvanized nuts are always tapped over-size to accommodate for the extra thickness added by the galvanizing process. Hex bolts are bolts with a hexagonal head on one end with no washer face on the bearing surface and a threaded shaft on the other end. The head of a heavy hex bolt is wider and thicker than that of a hex bolt. A heavy hex bolt goes with a heavy hex nut.

Specifications:

Size

M6 to M100 in metric series,¼” to 4” in imperial..

Standard

ASTM / ASME / BS / DIN / JIS / BS EN ISO / IS

Specialize

As per drawing

Form

Stud Bolts (Hex, Eye, Square, (U, J,) Nuts, (Nylock,) Washer (Star, Plain), Allen Caps, Screws, (CSK, Pen Head, Philip) etc

Stainless Steel

ASTM a182 , ASTM a193, ASTM 194, B8 (304), B8C (SS347), B8M (SS316), B8T (SS321), A2, A4, 304 / 304L / 304H, 310, 310S, 316 / 316L / 316H / 316 Ti, 317 / 317L, 321 / 321H, A193 B8T 347 / 347 H, 431, 410

Duplex Steel

2205, 31803, 32750, 32760, 2101, 2304

Alloy Steel

ASTM a320 L7, L7A, L7B, L7C, L70, L71, L72, L73

Carbon Steel

ASTM a193, ASTM 194, B6, B7/ B7M, B16, 2, 2HM, 2H, Gr6, B7, B7M

Grade of Heavy Hex Nut:

  • Stainless Steel – Grade: ASTM a182 , ASTM a193, ASTM 194, B8 (304), B8C (SS347), B8M (SS316), B8T (SS321), A2, A4, 304 / 304L / 304H, 310, 310S, 316 / 316L / 316H / 316 Ti, 317 / 317L, 321 / 321H, A193 B8T 347 / 347 H, 431, 410
  • Carbon Steel – Grade: ASTM a193, ASTM 194, B6, B7/ B7M, B16, 2, 2HM, 2H, Gr6, B7, B7M
  • Alloy Steel – Grade: ASTM a320 L7, L7A, L7B, L7C, L70, L71, L72, L73
  • Brass – Grade: C270000
  • Naval Brass – Grade: C46200, C46400
  • Copper – Grade: 110
  • Duplex & Super Duplex – Grade: S31803, S32205
  • Aluminum – Grade: C61300, C61400, C63000, C64200
  • Hastelloy – Grade: Hastelloy B2, Hastelloy B3, Hastelloy C22, Hastelloy C276, Hastelloy X
  • Incoloy – Grade: Incoloy 800, Inconel 800H, 800HT
  • Inconel – Grade: Inconel 600, Inconel 601, Inconel 625, Inconel 718
  • Monel – Grade: Monel 400, Monel K500, Monel R-405
  • High Tensile Bolt – Grade: 9.8, 12.9, 10.9, 19.9.3
  • CUPRO-Nickel – Grade: 710, 715
  • Nickel Alloy – Grade: UNS 2200 (Nickel 200) / UNS 2201 (Nickel 201), UNS 4400 (Monel 400), UNS 8825 (Inconel 825), UNS 6600 (Inconel 600) / UNS 6601 (Inconel 601), UNS 6625 (Inconel 625),UNS 10276 (Hastelloy C 276), UNS 8020 (Alloy 20 / 20 CB 3)
Heavy Hex Nuts: Dimensions (ANSI/ASME B18.2.2)

Nominal or Basic Major Diameter of Thread

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Width Across Flats (F)

Width Across Corners (G)

Thickness of Hex Nuts (H) 

Basic

Max

Min

Max

Min

Basic

Max

Min 

1/4

0.2500

1/2

.500

.488

.577

.556

15/64

0.250

0.218

5/16

0.3125

9/16

.562

.546

.650

.622

19/64

0.314

0.280

3/8

0.3750

11/16

.688

.669

.794

.763

23/64

0.377

0.341

7/16

0.4375

3/4

.750

.728

.866

.830

27/64

0.441

0.403

1/2

0.5000

7/8

.875

.850

1.010

.969

31/64

0.504

0.464

9/16

0.5625

15/16

.938

.909

1.083

1.037

35/64

0.568

0.526

5/8

0.6250

1-1/16

1.062

1.031

1.227

1.175

39/64

0.631

0.587

3/4

0.7500

1-1/4

1.250

1.212

1.443

1.382

47/64

0.758

0.710

7/8

0.8750

1-7/16

1.438

1.394

1.660

1.589

55/64

0.885

0.833

1

1.0000

1-5/8

1.625

1.575

1.876

1.796

63/64

1.012

0.956

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

1.310

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

2.000

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

3.000

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

3.760

3.616

4

4.0000

6-1/8

6.125

5.925

7.073

6.755

3-15/16

4.014

3.862

Heavy Hex Nuts Properties
Forming Hot & Cold Forged
Metric Size M10 to M100
Imperial Size 3/8 to 8″
Threads UNC, UNF, ISO, BSW & ACME.
Standards ASME,BS,DIN,ISO,UNI,DIN-EN
Sub types 1. Fully Threaded Heavy Hex Nuts
2. Partial Threaded Heavy Hex Nuts
3. Metric Heavy Hex Nuts
4. Imperial Heavy Hex Nuts
Fastener Applications Industries:

ASME B16.9 Degree Forged are known to deliver exceptional performance and are generally developed for meeting the demands. We offer a broad range of Socket Weld Fittings Degree Forged through a worldwide network of stock-keeping branches. Socket Weld Forged is use in various industries like :

  • Fastener uses in Paper & Pulp Companies
  • Stainless Steel Fastener uses in Oil and Gas Industry
  • Fastener Pipe Forged uses in Chemical Refinery
  • Alloy Steel Threaded Elbows Used in Pipeline
  • Fastener Pipe Forged uses in High Temperature Application
  • Fastener uses in Water Pipe Line
  • ANSI B16.9 Socket Weld Fittings Pipe Forged can be used in Nuclear power plants
  • Fastener useful for High Pressure Applications
  • Fastener Long Radius Forged uses in Fabrication and welding Job
  • Fastener uses in Food Processing and Dairy Industries
  • Fastener Short Radius Forged uses in boiler & heat exchangers
FAQ
Why use heavy hex nuts?

In fact, heavy hex nuts are exactly a 1/8” larger across the flats than a standard hex nut in all sizes, requiring a 1/8” larger socket or wrench to install. Also, heavy hex nuts have a higher proof load strength compared to hex nuts according to ASTM A563.

What is a heavy hex jam nut?

Jam nuts are a six-sided internally threaded fastener that is only 2/3 the thickness of a full-form nut. Heavy hex jam nuts are a six-sided internally threaded fastener that is only 2/3 the thickness of a heavy hex nut.

What are heavy hex bolts?
Heavy Hex Bolts are designed for use in a variety of high-temperature, high-strength industrial applications, such as steel fabrication and general construction. They feature a thicker head than standard or regular hex bolts and offer a greater bearing surface that distributes the clamping load over a wider area.
What is the difference between a hex bolt and a heavy hex bolt?
The main difference between a heavy hex bolt and a regular (or finished) hex bolt is the distance across opposite flats of the hex. Heavy hex bolts are 1/8 of an inch larger than a finished hex bolt of the same diameter. The formula for determining hex size is one-and-a-half times the diameter plus 1/8″.
What is the difference between hex and heavy hex?
The main difference between a heavy hex bolt and a regular (or finished) hex bolt is the distance across opposite flats of the hex. Heavy hex bolts are 1/8 of an inch larger than a finished hex bolt of the same diameter. The formula for determining hex size is one-and-a-half times the diameter plus 1/8″
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