(!)Due to Microsoft's end of support for Internet Explorer 11 on 15/06/2022, this site does not support the recommended environment.
- [Announcement] MISUMI Malaysia website new user interface. Clearer navigation, easy product search and more. Explore now! May contact us at (60) 3 7890 6399 for any inquiries.
Lock Nuts（Locking Details：U Nut）
Selection is also possible based on loosening prevention method (friction ring/spring/nylon, etc.).
[Lock Nuts/Non-Loosening Nuts]
These products prevent bolts from loosening by adding a locking mechanism to the nut body. Mechanism and characteristics of the loosening prevention mechanism differ depending on the brand.
| Days to Ship |
|
|---|
-
U-Nuts (Pack)【1-100 Pieces Per Package】
MISUMI
[Features]
· Capable of stable anti-loosening effect. Prevents screws from falling off even when declines in axial tension.
· Being a solid metal product, the nuts are highly resistant to heat and cold.
· Simplified fastening task makes work management easier.
· Easy parts management prevents inappropriate installation.
· Reusable.
[Materials] SS400, SUS304, Equivalent, SUS301.
[Surfacetreatment] Trivalent bright chromate plating, Trivalent chromate.
[Nominal of Thread (M)] 4, 5, 6, 8, 10, 12, 16.
[Pitch] 0.7, 0.8, 1, 1.25, 1.5, 1.75, 2- Volume Discount
Standard Price: MYR 6.02- Days to Ship: 1 Day(s) or more -
U Nut Class 1 and 2 (Steel/SUS304)【1-2,500 Pieces Per Package】
FUJI SEIMITSU
Definitive edition of Locking Nuts
Standard Price: MYR 2.10- Days to Ship: 1 Day(s) or more -
U Nut Type 3【1-4,000 Pieces Per Package】
FUJI SEIMITSU
Thread
[Type]Metric coarse, Application/Function, Locking, Locking for detail, U-nut
[Nominal Thread (M)] 4 5 6 8 10 12 14 16 20
[Materials] Steel, Stainless steel
[Sales unit] Minimum Quantity (Available for Purchase from 1 pc) Box and Pkg.
[Surface treatment](Details) non-trivalent chromate, trivalent black, trivalent white, bright chromate plating, chromate plating, black chromate
[Pitch (mm)] 0.7 0.8 1 1.25 1.5 1.75 2 2.5Standard Price: MYR 2.10- Days to Ship: 5 Day(s) or more -
FUJI SEIMITSU
Prevailing torque type lock nut with "metal ring anti-loosening function".
[Features]
·A locking nut that can be reused and exhibits a stable locking function.
·Prevents early disengagement even when the axial force is reduced. An all-metal product with excellent heat and cold resistance.
·Tightening is easy, and neither skilled techniques nor special tools are required.
·Since it exerts a self-locking effect by itself, parts management becomes easier and installation errors are prevented.
[Applications]
·It is used in a wide range of industries, from steel structures such as railways and bridges to automobiles, motorcycles, and industrial machinery.
·In addition to its anti-loosening performance, it continues to evolve in terms of durability and vibration resistance, and works reliably in any operating environment.Standard Price: MYR 15.22- Days to Ship: 5 Day(s) or more -
U Nut (Fine)【1-65 Pieces Per Package】
SUNCO
[Material] Steel
[Surface Processing] Trivalent White / Trivalent Black
[Nominal of Thread (M)] 12/20/22/24/30/36/39/42
[Application/Function] Loosening prevention
[Thread Ridge Type] Metric Fine
[Loosening Prevention Details] U NutStandard Price: MYR 7.08- Days to Ship: 9 Day(s) or more -
![[Clean & Pack]U Nut - Single Item](//content.misumi-ec.com/image/upload/t_product_view_b/t_misumi_wm/v1/p/jp/product/series/110310607049/110310607049_002_20230911105917.jpg?$product_view_b$)
[Clean & Pack]U Nut - Single Item
MISUMI
Three types of cleaning methods are available: degreasing, precision cleaning, and electrolytic polishing + precision cleaning. They can be ordered from one piece with the standard part number.
This eliminates the need for customer cleaning or outsourced cleaning, reducing the amount of time and effort required.■Part Number for Clean & Pack Products·Degreasing (Anti-rust single packing) : Part Number SL-□□ ·Precision cleaning (Degassing double packing) : Part Number SH-□□ ·Electrolytic polishing + precision cleaning (Degassing double packing) : Part Number SHD-□□ Product Part Number Cleaning Method Packaging Type Effects Compared to Uncleaned Product Environment (Standard) Process SL-□□ Degreasing Anti-rust packing Oil removal General environment Regular assembly process Post battery assembly process SH-□□ Precision cleaning Degassing double packing Oil removal
Dust removalClean environment (Class 10 to 1,000) Battery assembly process LCD-related post assembly process In-vehicle camera assembly process SHD-□□ Electrolytic polishing + precision cleaning Degassing double packing Oil removal
Dust removal
Outgas reductionVacuum environment
Clean environment (Class 10 to 1,000)Pre-semiconductor process Liquid crystal deposition process Pre-OLED process ■Notes
Cleaning also removes rust prevention oil, which may make the product more susceptible to rusting than an uncleaned product.
Please be careful about the application location and storage environment.- Volume Discount
Standard Price: MYR 20.08- Days to Ship: 6 Day(s) or more -
FUJI SEIMITSU
The 270° friction ring (special spring) shape allows for even better loosening prevention. Standard for the next generation loosening prevention.
Standard Price: MYR 4.31- Days to Ship: 5 Day(s) or more -
U Nut Type 2【1-600 Pieces Per Package】
FUJI SEIMITSU
[Materials] SCM435 Threaded
[Type]Metric coarse, Application/Function: Loosening prevention, Detailed loosening prevention, U nuts
[Nominal Thread (M)] 6 8 10 12 14 16 18 20 22 24 27 30 33 36
[Sales unit] Individual (Available for Purchase as 1pc) Box and Packaging.
[Surface treatment](Detailed) trivalent white, uni-chromate plating, chrome plating - Hex nut standard: Type 2
[Pitch (mm)] 1 1.25 1.5 1.75 2 2.5 3 3.5 4Standard Price: MYR 173.85- Days to Ship: 5 Day(s) or more -
Standard Price: MYR 5.90- Days to Ship: 5 Day(s) or more -
SUNCO
[Material] Steel
[Surface Processing] None / Bright Chromate Plating / Trivalent White / Trivalent Black
[Nominal of Thread (M)] 12/30
[Application/Function] Loosening prevention
[Thread Ridge Type] Metric Fine
[Loosening Prevention Details] U NutStandard Price: MYR 7.08- Days to Ship: 9 Day(s) or more -
Iron U-Nut Thin Type (Smooth Cut)【1-500 Pieces Per Package】
SUNCO
[Material] Steel
[Surface Processing] None / Bright Chromate Plating / Trivalent White / Trivalent Black
[Nominal of Thread (M)] 8/12/14/16/20/24
[Application/Function] Loosening prevention
[Thread Ridge Type] Metric Fine
[Loosening Prevention Details] U NutStandard Price: MYR 7.73- Days to Ship: 5 Day(s) or more -
4T Tough Locking【400-600 Pieces Per Package】
SATO RASHI
Three of the six surfaces of the nut have a conical slope, increasing tightening torque and preventing loosening.
Standard Price: MYR 244.87- Days to Ship: 5 Day(s) or more -
4T Tough Lock Flange【500 Pieces Per Package】
SATO RASHI
The combination of a flange and Tuflok patch keep the screw fastened securely to the bearing surface and offers more effective prevention against loosening.
Standard Price: MYR 246.56 Days to Ship: 5 Day(s) or more -
8T Tough Lock Flange【120-350 Pieces Per Package】
SATO RASHI
[Materials] Iron
[Surface treatment] Trivalent chromate, Screw thread ridge
[Type] Metric coarse, Application/Function, Locking
[Sales unit] Box/package
[Surface treatment](Details) Trivalent white Locking details: tough lock
[Nominal Thread (M)] 6 8 10
[Pitch (mm)] 1 1.25 1.5Standard Price: MYR 223.51- Days to Ship: 5 Day(s) or more -
U Nut Type 1 (Fine Details)【1-65 Pieces Per Package】
FUJI SEIMITSU
Definitive edition of Locking Nuts
Standard Price: MYR 3.42- Days to Ship: 5 Day(s) or more -
U Nut Type 2 (Fine Details)【1-120 Pieces Per Package】
FUJI SEIMITSU
Definitive edition of Locking Nuts
Standard Price: MYR 9.71- Days to Ship: 2 Day(s) or more -
Standard Price: MYR 2.88- Days to Ship: 5 Day(s) or more -
Standard Price: MYR 11.34- Days to Ship: 5 Day(s) or more -
Standard Price: MYR 7.28- Days to Ship: 5 Day(s) or more -
Left-Handed U-Nut【1-3,000 Pieces Per Package】
FUJI SEIMITSU
The definitive locking nut that incorporates a "metal ring locking function". (Left-Handed Screw)
[Features]
·In addition to its anti-loosening performance, it continues to evolve in terms of durability and vibration resistance, and works reliably in any operating environment.
[Applications]
·It is used in a wide range of industries, from steel structures such as railways and bridges to automobiles, motorcycles, and industrial machinery.Standard Price: MYR 2.89- Days to Ship: 5 Day(s) or more -
Standard Price: MYR 5.17- Days to Ship: 5 Day(s) or more -
Standard Price: MYR 3.40- Days to Ship: 5 Day(s) or more -
Standard Price: MYR 3.79- Days to Ship: 5 Day(s) or more -
U Nut Thin Special Pitch P=1.5
FUJI SEIMITSU
[Nominal Thread (M)] 12
[Materials] Steel Thread
[Type]Metric fine, Application/Function, Locking
[Sales unit] Minimum Quantity (Available for Purchase from 1 pc), Locking for Detail, U-nut
[Pitch (mm)] 1.5
[Surface treatment](Details) Bright Chromate PlatingStandard Price: MYR 7.69 Days to Ship: 5 Day(s) or more -
Standard Price: MYR 5.05- Days to Ship: 5 Day(s) or more -
U Nut【1-20 Pieces Per Package】
TRUSCO NAKAYAMA
[Features]
- The metallic friction ring makes contact with the thread on the bolt, increasing torque on the thread and preventing loosening. - Heat resistant, usable in locations with vibration, and reusable.
[Use]
- For locations where bolts can easily loosen.Standard Price: MYR 48.49- Days to Ship: 5 Day(s) or more -
SUNCO
[Material] Steel
[Surface Processing] Chromate Plating / Trivalent White / Trivalent Black
[Nominal of Thread (M)] 4/10/12/14/16/20/24
[Application/Function] Loosening prevention
[Thread Ridge Type] Metric Coarse
[Loosening Prevention Details] U Nut- Volume Discount
Standard Price: MYR 2.07- Days to Ship: 5 Day(s) or more
![[Clean & Pack]U Nut - Single Item](http://content.misumi-ec.com/image/upload/t_product_view_b/t_misumi_wm/v1/p/jp/product/series/110310607049/110310607049_002_20230911105917.jpg?$product_view_b$)
| Brand |
|---|
| Product Series |
| CAD |
| Days to Ship |
| Nominal of Thread (M) |
| Material |
| Applications, Functions |
| Thread Type |
| Surface Treatment |
| Sales Unit |
| Locking Details |
| Nominal of Thread (inch) |
| Surface Treatment (Details) |
| Hex Nut Type |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
| Brand | MISUMI | FUJI SEIMITSU | FUJI SEIMITSU | FUJI SEIMITSU | SUNCO | MISUMI | FUJI SEIMITSU | FUJI SEIMITSU | FUJI SEIMITSU | SUNCO | SUNCO | SATO RASHI | SATO RASHI | SATO RASHI | FUJI SEIMITSU | FUJI SEIMITSU | FUJI SEIMITSU | FUJI SEIMITSU | FUJI SEIMITSU | FUJI SEIMITSU | FUJI SEIMITSU | FUJI SEIMITSU | FUJI SEIMITSU | FUJI SEIMITSU | FUJI SEIMITSU | TRUSCO NAKAYAMA | SUNCO |
| Product Series | U Nut Class 1 and 2 (Steel/SUS304)【1-2,500 Pieces Per Package】 | ||||||||||||||||||||||||||
| CAD |
| ||||||||||||||||||||||||||
| Days to Ship | 1 Day(s) or more | 1 Day(s) or more | 5 Day(s) or more | 5 Day(s) or more | 9 Day(s) or more | 6 Day(s) or more | 5 Day(s) or more | 5 Day(s) or more | 5 Day(s) or more | 9 Day(s) or more | 5 Day(s) or more | 5 Day(s) or more | 5 Day(s) or more | 5 Day(s) or more | 5 Day(s) or more | 2 Day(s) or more | 5 Day(s) or more | 5 Day(s) or more | 5 Day(s) or more | 5 Day(s) or more | 5 Day(s) or more | 5 Day(s) or more | 5 Day(s) or more | 5 Day(s) or more | 5 Day(s) or more | 5 Day(s) or more | 5 Day(s) or more |
| Nominal of Thread (M) | 4 ～ 16 | 3 ～ 64 | 4 ～ 20 | 4 ～ 30 | 12 ～ 42 | - | 8 ～ 16 | 10 ～ 30 | 10 ～ 12 | 12 ～ 30 | 8 ～ 24 | 6 ～ 8 | 6 | 6 ～ 10 | 8 ～ 27 | 10 ～ 56 | - | - | - | 6 ～ 20 | 12 ～ 27 | 8 | 10 ～ 20 | 12 | 8 ～ 18 | 4 ～ 20 | 4 ～ 24 |
| Material | Stainless Steel ～ Steel | Stainless Steel ～ Steel | Stainless Steel ～ Steel | Stainless Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Stainless Steel ～ Steel | Steel | Stainless Steel ～ Steel | Stainless Steel ～ Steel | Stainless Steel ～ Steel | Stainless Steel ～ Steel | Stainless Steel ～ Steel | Steel | Steel | Steel | Steel | Stainless Steel ～ Steel | Steel |
| Applications, Functions | Lock | Lock | Lock | Lock | Lock | Standard / Clean Env. Compatible / For Vacuum Equipment | Lock | Lock | For Welding | Lock | Lock | Lock | Lock | Lock | Lock | Lock | Lock | Lock | Lock | Lock | Lock | Lock | Lock | Lock | Lock | Lock | Lock |
| Thread Type | Metric, Coarse | Metric, Coarse | Metric, Coarse | Metric, Coarse | Metric, Fine | Metric, Coarse | Metric, Coarse | Metric, Coarse | Metric, Fine | Metric, Fine | Metric, Fine | Metric, Coarse | Metric, Coarse | Metric, Coarse | Metric, Fine | Metric, Fine | Whit, Coarse | Unified, Coarse (UNC) | Unified, Fine (UNF) | Metric, Coarse (Left) | Metric, Fine | Metric, Fine | Metric, Fine | Metric, Fine | Metric, Fine | Metric, Coarse | Metric, Coarse |
| Surface Treatment | Not Provided / Trivalent Chromate / Bright Chrome Plating | Not Provided / Electroless Nickel Plating / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate Plating | - | - | Trivalent Chromate | - | - | - | - | Trivalent Chromate / Bright Chrome Plating | Trivalent Chromate / Bright Chrome Plating | Trivalent Chromate | Trivalent Chromate | Trivalent Chromate | - | - | Not Provided | - | - | - | - | - | - | - | - | - | Trivalent Chromate / Chromate Plating |
| Sales Unit | Low Quantity (Available beginning with 1 pc.) ～ Box, Pkg. | Low Quantity (Available beginning with 1 pc.) ～ Box, Pkg. | Low Quantity (Available beginning with 1 pc.) ～ Box, Pkg. | Low Quantity (Available beginning with 1 pc.) | Low Quantity (Available beginning with 1 pc.) ～ Box, Pkg. | Low Quantity (Available beginning with 1 pc.) | Low Quantity (Available beginning with 1 pc.) | Low Quantity (Available beginning with 1 pc.) ～ Box, Pkg. | Low Quantity (Available beginning with 1 pc.) | Low Quantity (Available beginning with 1 pc.) ～ Box, Pkg. | Low Quantity (Available beginning with 1 pc.) ～ Box, Pkg. | Box, Pkg. | Box, Pkg. | Box, Pkg. | Low Quantity (Available beginning with 1 pc.) ～ Box, Pkg. | Low Quantity (Available beginning with 1 pc.) ～ Box, Pkg. | Low Quantity (Available beginning with 1 pc.) ～ Box, Pkg. | Low Quantity (Available beginning with 1 pc.) ～ Box, Pkg. | Low Quantity (Available beginning with 1 pc.) ～ Box, Pkg. | Low Quantity (Available beginning with 1 pc.) ～ Box, Pkg. | Low Quantity (Available beginning with 1 pc.) | Low Quantity (Available beginning with 1 pc.) ～ Box, Pkg. | Low Quantity (Available beginning with 1 pc.) ～ Box, Pkg. | Low Quantity (Available beginning with 1 pc.) | Low Quantity (Available beginning with 1 pc.) ～ Box, Pkg. | - | Low Quantity (Available beginning with 1 pc.) ～ Box, Pkg. |
| Locking Details | U Nut | U Nut | U Nut | U Nut | U Nut | U Nut | U Nut | U Nut | U Nut | U Nut | U Nut | U Nut | U Nut | U Nut | U Nut | U Nut | U Nut | U Nut | U Nut | U Nut | U Nut | U Nut | U Nut | U Nut | U Nut | U Nut | U Nut |
| Nominal of Thread (inch) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1/2 ～ 7/8 | 1 ～ No. 10 | 1/2 ～ No. 10 | - | - | - | - | - | - | - | - |
| Surface Treatment (Details) | - | Not Provided / Electroless Nickel Plating / Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate Plating | Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating | Not Provided | Trivalent Chromate | - | Trivalent Chromate | Bright Chrome Plating / Chromate Plating | Not Provided | Trivalent Chromate / Bright Chrome Plating | Trivalent Chromate / Bright Chrome Plating | Trivalent Chromate | Trivalent Chromate | Trivalent Chromate | Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating | Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating | Not Provided / Bright Chrome Plating / Hot Zinc Plating / Chromate Plating | Not Provided / Bright Chrome Plating / Chromate Plating | Not Provided / Bright Chrome Plating / Chromate Plating | Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating | Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating | Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating | Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating | Bright Chrome Plating / Chromate Plating | Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating | Trivalent Chromate / Bright Chrome Plating | Trivalent Chromate / Chromate Plating |
| Hex Nut Type | - | Class 1 ～ Class 2 | Class 3 | Class 1 | Class 2 | - | - | Class 2 | - | Class 2 | - | - | - | - | Class 1 ～ Class 2 | Class 2 | Class 1 ～ Class 2 | - | - | - | - | - | - | - | - | - | - |
![[Clean & Pack]U Nut - Single Item](http://content.misumi-ec.com/image/upload/t_product_view_c/t_misumi_wm/v1/p/jp/product/series/110310607049/110310607049_002_20230911105917.jpg?$product_view_c$)
Loading...
Configure
Specification/Dimensions
-
Nominal of Thread (M)
-
Material
-
Applications, Functions
- Standard
- Lock
- For Welding
- Fall-off Prevention
- Clean Env. Compatible
- For Vacuum Equipment
-
Thread Type
- Metric, Coarse
- Metric, Coarse (Left)
- Metric, Fine
- Unified, Coarse (UNC)
- Unified, Fine (UNF)
- Whit, Coarse
-
Surface Treatment
- Not Provided
- Electroless Nickel Plating
- Trivalent Chromate
- Bright Chrome Plating
- Zinc Plating
- Chromate Plating
- Nickel Plating
- Chrome Plating
- Parkerizing
- Dacrotizing
- Polishing
- Painting, Coating
- Passivated
-
Sales Unit
-
Locking Details
-
Nominal of Thread (inch)
-
Surface Treatment (Details)
-
Hex Nut Type
Narrow search by specifying Manufacturer
-
- FUJI SEIMITSU (17)
- SUNCO (4)
- SATO RASHI (3)
- TRUSCO NAKAYAMA (1)
- OHSATO (0)
- HARDLOCK (0)
- FESTO (0)
- SAKAMURA (0)
- SAIMA (0)
- KST (0)
- NABEYA BI-TECH (0)
- YAHATA (0)
- SOWA (0)
- KISHU FASTENER (0)
- KHI (0)
- TOMOE KOGYO (0)
- ESCO (0)
- KFC_ (0)
- LOCKFASTENER (0)
- FORTUNE BRIGHT (0)
CAD
-
- 2D
- 3D
- Credit Card
- Bank Transfer
Social Media
MISUMI Contact
Copyright © MISUMI Corporation All Rights Reserved.
How can we improve?
How can we improve?
While we are not able to respond directly to comments submitted in this form, the information will be reviewed for future improvement.
Customer Privacy Policy
Thank you for your cooperation.
While we are not able to respond directly to comments submitted in this form, the information will be reviewed for future improvement.
Please use the inquiry form.
Customer Privacy Policy