| Product Number | AJMA0420012 |
| Description | Internal hexagon socket set screw |
| Specifications | 1/2-20TX11.5 |
| Material | SUS304 |
| Surface Treatment | Passivated, natural finish |
| Application Industry | Doors and windows |


Lock Nut(Locking Nut/Self Locking Nut)–Internal Hexagon Socket Set Screw for Doors and Windows
What Is This Lock Nut?
The Lock Nut,also known as a Locking Nut or Self Locking Nut,is a fastening component designed to prevent loosening caused by vibration,repeated motion,or long-term use.
Product Number AJMA0420012 is an internal hexagon socket set screw manufactured from SUS304 stainless steel,featuring a 1/2-20 thread with 11.5 mm length and a passivated natural finish.
This type of locking fastener is widely used in doors and windows systems,where stable positioning,corrosion resistance,and long service life are critical.Unlike ordinary nuts or screws,this self locking structure maintains fastening force even under frequent opening and closing.
Material Selection–Why SUS304 Stainless Steel?
The choice of SUS304 stainless steel gives this Lock Nut significant advantages:
- Strong resistance to rust and oxidation
- Suitable for indoor and outdoor environments
- Good mechanical strength with excellent toughness
- Easy maintenance and long service life
- Environmentally friendly and recyclable material
For doors and windows exposed to moisture,temperature fluctuations,or urban pollution,SUS304 is a reliable and cost-effective choice.
Product Parameters
Product Number | AJMA0420012 |
Description | Internal hexagon socket set screw |
Specifications | 1/2-20TX11.5 |
Material | SUS304 |
Surface Treatment | Passivated, natural finish |
Application Industry | Doors and windows |
FAQ
Q1:Is this product a Lock Nut or a set screw?
A:It functions as a Self Locking Nut in fastening systems while structurally being an internal hexagon socket set screw,offering strong anti-loosening performance.
Q2:Can this Locking Nut be reused?
A:Yes.Under normal conditions,it maintains locking performance after multiple installations.
Q3:Is SUS304 suitable for outdoor doors and windows?
A:Yes.SUS304 stainless steel provides excellent corrosion resistance for most outdoor environments.
Q4:Do you support customization for size or material?
A:Yes.Custom thread sizes,lengths,materials,and surface treatments are available upon request.
Q5:What industries besides doors and windows can use this Self Locking Nut?
A:It is also suitable for furniture hardware,architectural fittings,light machinery,and industrial assemblies.
| Product Number | AJMA0420012 |
| Description | Internal hexagon socket set screw |
| Specifications | 1/2-20TX11.5 |
| Material | SUS304 |
| Surface Treatment | Passivated, natural finish |
| Application Industry | Doors and windows |