some statistics about us you must know
Choose the plan that suits you best.
18
+
YEARS OF EXPERIENCE
3000㎡+
FLOOR SPACE
160
+
MACHINERY EQUIPMENT
3500
+
SATISFIED CUSTOMERS
The left-hand thread hex nut, also known as a reverse thread nut, is similar to a regular hex nut in shape and function, but with different threads designed to rotate in the opposite direction.
The primary feature of a left-hand thread hex nut is its counterclockwise thread direction. This unique design helps prevent loosening in situations where regular nuts might unscrew due to rotational forces. When used alongside a regular hex nut, the opposing thread directions create a balanced force, significantly reducing the risk of the nut coming undone.
Left-hand-thread hex nuts are commonly used in situations where parts are exposed to high rotational or shock forces. Especially in brake systems where safety and stability are critical.
Used in tire mounting systems to prevent bolts from loosening during motion. Typically made from high-strength materials like stainless steel, they are highly resistant to corrosion and have strong tensile strength. This makes them suitable for use in harsh environments, including outdoor, marine, or industrial applications.
Especially useful in applications with heavy vibrations or rotational movements, like motor parts, machinery, and automotive applications. These nuts provide added security, such as in motorcycle brake systems or rotating equipment. Their resistance to corrosion and high durability make them perfect for outdoor and marine environments, ensuring long-lasting performance even under tough conditions.
Specification

|
d |
p |
m |
s |
||
|
max |
min |
max |
min |
||
|
M4 |
0.7 |
3.2 |
3.7 |
7 |
6.78 |
|
M5 |
0.8 |
4 |
3.7 |
8 |
7.78 |
|
M6 |
1 |
5 |
4.7 |
10 |
9.78 |
|
M8 |
1/1.25 |
6.5 |
6.14 |
13 |
12.73 |
|
M10 |
1/1.25/1.5 |
8 |
7.64 |
17 |
16.73 |
|
M12 |
1.25/1.5/1.75 |
10 |
9.64 |
19 |
18.67 |
|
M14 |
1.5/2 |
11 |
10.3 |
22 |
21.67 |
|
M16 |
1.5/2 |
13 |
12.3 |
24 |
23.67 |
|
M18 |
1.5/2/2.5 |
15 |
14.3 |
27 |
26.16 |
|
M20 |
1.5/2/2.5 |
16 |
14.9 |
30 |
29.16 |
Product Picture






Production Process










Quality Control









Surface Treatment
Offer a variety of surface treatments for our screws to meet different needs and environmental conditions. Such as zinc plating, nickel plating, hot-dip galvanizing, anodizing, zinc nickel alloy, dacromet coating, phosphating, etc.

Custom Service
With 18 years of experience in the fasteners area, Zeyao Hardware specializes in manufacturing custom fasteners, including screws, bolts, nuts, rivets, standoffs, spacers, wrenches, pins, and more. Welcome to send your inquiries to get a free quote.

Hot Tags: left-hand-thread hex nut, China left-hand-thread hex nut manufacturers, suppliers, factory, Thin Profile Hex Nut, Hex Flange Nut, Hex Speed Nuts
