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ASME/ANSI B18.2.2 T13 Hex Coupling Nut

ASME/ANSI B18.2.2 T13 Hex Coupling Nut is designed to join and extend threaded rods or externally threaded fasteners in structural and mechanical assemblies. Manufactured to recognized dimensional requirements, it provides dependable thread engagement and secure connections.

The extended body length offers increased contact area between mating threads, helping improve joint stability and load transfer. Its hexagonal exterior allows convenient installation and removal using standard tools, reducing maintenance time and simplifying assembly procedures.

Produced from high-quality metal materials, the coupling nut delivers excellent strength, wear resistance, and durability under demanding operating conditions. Precision-machined threads contribute to smooth engagement and reliable fastening performance.

Suitable for construction, machinery, equipment maintenance, and industrial fabrication projects, this coupling nut provides an efficient and economical solution for connecting threaded components with confidence and consistency.

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Unit: inch

Nominal diameter d

s

L

max

min

max

min

#6

0.312

0.302

0.51

0.47

#8

0.312

0.302

0.645

0.595

#10

0.312

0.302

0.76

0.711

1/4

0.438

0.428

1.76

1.69

5/16

0.5

0.489

1.76

1.69

3/8

0.562

0.551

1.76

1.69

7/16

0.625

0.607

1.76

1.69

1/2

0.688

0.663

1.76

1.69

9/16

0.813

0.782

2.135

2.067

5/8

0.813

0.782

2.135

2.067

3/4

1

0.963

2.26

2.19

7/8

1.25

1.212

2.51

2.44

1

1.375

1.325

2.76

2.69

1–1/8

1.5

1.45

3.01

2.94

1–1/4

1.625

1.575

3.01

2.94

1–1/2

2

1.95

3.51

3.44

1–5/8

2.562

2.481

4.91

4.83

1–3/4

2.75

2.662

5.29

5.21

  

Nominal diameter d

s

L

max

min

max

min

1–7/8

2.938

2.844

5.67

5.58

2

3.125

3.025

6.04

5.95

2–1/4

3.5

3.388

6.8

6.7

2–1/2

3.875

3.75

7.55

7.44

2–3/4

4.25

4.112

8.31

8.19

3

4.625

4.475

9.06

8.94

3–1/4

5

4.838

9.81

9.68

3–1/2

5.375

5.2

10.57

10.43

3–3/4

5.75

5.562

11.32

11.17

4

6.125

5.925

12.08

11.92

4–1/4

6.5

6.288

12.83

12.67

4–1/2

6.875

6.65

13.58

13.42

4–3/4

7.25

7.012

14.34

14.16

5

7.625

7.375

15.09

14.91

5–1/4

8

7.738

15.85

15.65

5–1/2

8.375

8.1

16.6

16.4

5–3/4

8.75

8.462

17.35

17.15

6

9.125

8.825

18.11

17.89

 

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Better Fastener is a professional fastener enterprise specializing in the manufacturing of steel washers, stainless steel washers, spring washers and sealingwashers. Founded in 2001 as a washer factory, the company expanded into a comprehensive enterprise integrating washers, nuts, bolts, spring nuts and other fastener products in 2010.

The company positions itself as a provider of comprehensive one-stop services for customers, relying on technological R&D, industrial investment and trade distribution.

With an experienced professional team and a sound sales network, Better Fastener has achieved excellent sales performance in both domestic and foreign markets,and has grown into one of the competitive manufacturers and suppliers in China's industrial fastener industry.

Better Fastener is committed to becoming a trusted fastener supplier for customers with reliable product quality, reasonable prices and on-time delivery

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NEWS

Latest News

  • What is a Screw?

    A screw is a fastening tool that utilizes the principle of an inclined spiral plane to join or secure objects together. Its core structure consists of a cylindrical body with continuous threads (like spiral ridges), typically featuring a head at one end for convenient rotation. When turned, the rotational motion is con...

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  • What is a Nuts?

    Now that we've covered bolts, their "perfect partner" — the nut — is much easier to understand. Simply put, a nut is a small metal block or disc with a round hole in the center and internal threads on the wall of that hole. Its core function is to work with an externally threaded bolt to clamp two or more components to...

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  • What is a Washers?

    Simply put, a washer is a thin, disc-shaped ring with a central hole, typically made of metal (such as carbon steel, stainless steel, or copper) or non-metallic materials (such as rubber, plastic, or asbestos). It is placed between the head of a bolt/nut and the surface of the workpiece, or at the junction between the ...

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  • What is a Bolt?

    Simply put, a bolt is a cylindrical fastener with external threads. It works with a matching nut or is screwed directly into a threaded hole of the mating part to firmly hold two or more components together. To put it intuitively, think of it as a "metal nail." However, unlike a nail that is driven in with a hammer, a ...

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