For those unfamiliar with the terminology, slotted hex nuts may need to be clarified. However, these fasteners are used in many applications and can be extremely useful for the right project. This blog post will take a closer look at what slotted hex nuts are and how they can be used in different settings.
What Is Slotted Hex Nut?
Slotted hex nuts are a type of nut that features a slot or groove on the outside surface of its hexagonal shape. This slot helps to prevent loosening due to vibration by allowing a screwdriver to be inserted into it and tightened. This makes them ideal for use in applications where vibration is an issue, such as machine parts or construction equipment.
Benefits of Slotted Hex Nuts
Slotted hex nuts have several benefits over other types of fasteners:
- They provide an extra degree of security against vibration-related loosening because the slot allows easy tightening with a screwdriver.
- They are more aesthetically pleasing than other nuts because the slot is less visible than traditional methods, such as washers or cotter pins.
- They can be easily reused since the slot allows easy removal and reinstallation without damaging the threads on the nut itself.
When Should I Use Slotted Hex Nut?
Slotted hex nuts should be used whenever there could be an issue with vibration-related loosening. This includes anything from machinery parts to construction equipment like scaffolding and ladders – anything that could move around or vibrate during use. Additionally, suppose you’re looking for a visually appealing way to secure two parts together. Slotted hex nuts may also be a good choice, as their aesthetic appeal is often superior to other fasteners, such as washers or cotter pins.
Slotted Hex Nut Properties
- The slotted hex nut has a six-sided head with a slot cut into one side.
- The slotted hex nut is used in applications where it is necessary to prevent the nut from rotating.
- The slotted hex nut is also known as a jam nut.
- The slotted hex nut is available in various sizes and materials.
- The slotted hex nut is easy to install and remove.
Slotted Hex Nut Dimension
|
Nominal Size or Basic Major Diameter of Thread
|
F
|
G
|
H
|
T
|
S
|
Runout of Bearing Surface FIM
|
||||||||
|
Width Across Flats
|
Width Across Corners
|
Thickness
|
Unslotted Thickness
|
Width of Slot
|
||||||||||
|
Basic
|
Max
|
Min
|
Max
|
Min
|
Basic
|
Max
|
Min
|
Max
|
Min
|
Max
|
Min
|
Max
|
||
|
3/8
|
0.375
|
9/16
|
0.562
|
0.551
|
0.650
|
0.625
|
21/64
|
0.337
|
0.32
|
0.21
|
0.19
|
0.15
|
0.12
|
0.018
|
|
7/16
|
0.4375
|
11/16
|
0.688
|
0.675
|
0.794
|
0.738
|
3/8
|
0.385
|
0.365
|
0.23
|
0.21
|
0.15
|
0.12
|
0.018
|
|
1/2
|
0.500
|
3/4
|
0.750
|
0.736
|
0.866
|
0.840
|
7/19
|
0.448
|
0.427
|
0.29
|
0.27
|
0.18
|
0.15
|
0.019
|
|
5/8
|
0.625
|
15/16
|
0.938
|
0.922
|
1.083
|
1.051
|
35/64
|
0.559
|
0.535
|
0.34
|
0.32
|
0.24
|
0.18
|
0.021
|
|
3/4
|
0.750
|
1 – 1/8
|
1.125
|
1.088
|
1.299
|
1.240
|
61/64
|
0.665
|
0.617
|
0.40
|
0.38
|
0.24
|
0.18
|
0.023
|
|
7/8
|
0.875
|
1 – 5/16
|
1.312
|
1.269
|
1.516
|
1.447
|
3/4
|
0.776
|
0.724
|
0.52
|
0.49
|
0.24
|
0.18
|
0.025
|
|
1
|
1.000
|
1 – 1/2
|
1.500
|
1.45
|
1.732
|
1.653
|
55/64
|
0.887
|
0.831
|
0.59
|
0.56
|
0.30
|
0.24
|
0.027
|
|
1 – 1/8
|
1.125
|
1 – 11/16
|
1.688
|
1.631
|
1.949
|
1.859
|
31/32
|
0.999
|
0.939
|
0.64
|
0.61
|
0.33
|
0.24
|
0.030
|
|
1 – 1/4
|
1.250
|
1 – 7/8
|
1.875
|
1.812
|
2.165
|
2.066
|
1 – 1/16
|
1.094
|
1.03
|
0.70
|
0.67
|
0.40
|
0.31
|
0.033
|
|
1 – 1/2
|
1.500
|
2 – 1/4
|
2.25
|
2.175
|
2.598
|
2.48
|
1 – 9/32
|
1.317
|
1.245
|
0.86
|
0.82
|
0.46
|
0.37
|
0.039
|
Conclusion:
Slotted hex nuts are an incredibly useful tool when it comes to securing two components together where there might be issues with vibration-related loosening or aesthetics are important. They offer increased security over traditional methods while being easy to install and remove if necessary due to their slotted design, which allows for easy tightening with a screwdriver. Whether you’re dealing with machinery parts or construction equipment, slotted hex nuts can help ensure that your components remain secured in place even under high levels of vibration or movement. They’re an invaluable tool for anyone needing reliable fasteners!
Rachana is a dedicated and ambitious young woman who has made a name for herself in the metal industry. From her earliest days in the industry, Rachana showed a natural talent for problem-solving and a keen eye for detail. In her free time, She enjoys reading up on the latest advancements in the industry, as well as exploring new ways to innovate and improve upon existing processes.
