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Lock Nuts（Locking Type：U Nut）
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U-Nuts (Pack)【1-100 Pieces Per Package】
MISUMI
•Shape: Hex nut
•Locking Type: U Nut
•Application/Function: Loosening Prevention
•Thread Ridge Type: Metric Coarse- Volume Discount
- inCAD Components
Days to Ship: Same day or more Show Stock Products
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U Nut Type 1 (Fine Details)【1-65 Pieces Per Package】
Fuji Seimitsu
Definitive edition of Locking Nuts
- Volume Discount
Days to Ship: Same day or more Show Stock Products
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Thin, Fine U-Nut【1-800 Pieces Per Package】
Fuji Seimitsu
Definitive edition of Locking Nuts
- Volume Discount
Days to Ship: Same day or more Show Stock Products
-
Fuji Seimitsu
The 270° friction ring (special spring) shape allows for even better loosening prevention. Standard for the next generation loosening prevention.
- Volume Discount
Days to Ship: 8 Days or more -
U Nut, Unified (UNF)【1-2,000 Pieces Per Package】
Fuji Seimitsu
Definitive edition of Locking Nuts
- Volume Discount
Days to Ship: 8 Days 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.
- Volume Discount
Days to Ship: 8 Days or more -
Fine 4T Tough Locking【200 Pieces Per Package】
Sato Rashi
Since three of the six surfaces of the nut are sloped conically, the tightening torque increases and helps prevent nut loosening..
- Volume Discount
Days to Ship: 8 Days or more -
Small 4T Tough Lock【500 Pieces Per Package】
Sato Rashi
Since three of the six surfaces of the nut aroe sloped conically, the tightening torque increases helps prevent nut loosening.
- Volume Discount
Days to Ship: 8 Days or more -
Compact, Fine 4T Tough Locking【200 Pieces Per Package】
Sato Rashi
Since three of the six surfaces of the nut are sloped conically, the tightening torque increases and helps prevent nut loosening..
- Volume Discount
Days to Ship: 8 Days or more -
4T Tough Lock Flange【350-500 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.
- Volume Discount
Days to Ship: 8 Days or more -
4T Tough Lock Flange (Fine Thread)【120-250 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 of loosening.
- Volume Discount
Days to Ship: 8 Days or more -
8T Tough Lock Flange【250-500 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 1.5- Volume Discount
Days to Ship: 7 Days or more -
U Nut Class 1 and 2 (Steel/SUS304)【1-2,500 Pieces Per Package】
Fuji Seimitsu
Definitive edition of Locking Nuts
- Volume Discount
Days to Ship: Same day or more Show Stock Products
-
Fuji Seimitsu
The definite locking nuts
For complete product overview and details on Type 1 U-Nut (SUS316L) see the sections below:- Volume Discount
Days to Ship: 8 Days 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 4- Volume Discount
Days to Ship: 8 Days or more -
U Nut Type 2 (Fine Details)【1-120 Pieces Per Package】
Fuji Seimitsu
Definitive edition of Locking Nuts
- Volume Discount
Days to Ship: Same day or more Show Stock Products
-
Nut, Whitworth【1-1,000 Pieces Per Package】
Fuji Seimitsu
Definitive edition of Locking Nuts
- Volume Discount
Days to Ship: 8 Days or more -
U-Nut Unified (UNC)【1-2,000 Pieces Per Package】
Fuji Seimitsu
Definitive edition of Locking Nuts
- Volume Discount
Days to Ship: 8 Days or more -
Left-Handed U-Nut【1-3,000 Pieces Per Package】
Fuji Seimitsu
The definite locking nuts
For complete product overview and details on Left-Handed U-Nut see the sections below:- Volume Discount
Days to Ship: 8 Days or more -
Days to Ship: 8 Days or more -
Small U-Nut【1-1,400 Pieces Per Package】
Fuji Seimitsu
Definitive edition of Locking Nuts
- Volume Discount
Days to Ship: 8 Days or more -
U-Nut, Small, Fine Type【1-800 Pieces Per Package】
Fuji Seimitsu
Definitive edition of Locking Nuts
- Volume Discount
Days to Ship: 8 Days 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 Plating- Volume Discount
Days to Ship: 8 Days 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 2.5- Volume Discount
Days to Ship: Same day or more Show Stock Products
-
Days to Ship: 8 Days 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.- Volume Discount
Days to Ship: 8 Days or more
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| Brand | MISUMI | Fuji Seimitsu | Fuji Seimitsu | Fuji Seimitsu | Fuji Seimitsu | Sato Rashi | Sato Rashi | Sato Rashi | Sato Rashi | 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 | Fuji Seimitsu | Fuji Seimitsu | Trusco Nakayama |
| Product Series | 4T Tough Lock Flange (Fine Thread)【120-250 Pieces Per Package】 | U Nut Class 1 and 2 (Steel/SUS304)【1-2,500 Pieces Per Package】 | ||||||||||||||||||||||||
| CAD |
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| Days to Ship |
Same day or more
Show Stock Products |
Same day or more
Show Stock Products |
Same day or more
Show Stock Products | 8 Days or more | 8 Days or more | 8 Days or more | 8 Days or more | 8 Days or more | 8 Days or more | 8 Days or more | 8 Days or more | 7 Days or more |
Same day or more
Show Stock Products | 8 Days or more | 8 Days or more |
Same day or more
Show Stock Products | 8 Days or more | 8 Days or more | 8 Days or more | 8 Days or more | 8 Days or more | 8 Days or more | 8 Days or more |
Same day or more
Show Stock Products | 8 Days or more | 8 Days or more |
| Specifications |
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| Nominal of Thread (M) | 4 ～ 16 | 8 ～ 27 | 8 ～ 18 | 8 ～ 16 | - | 6 ～ 8 | 10 | 8 | 12 | 6 ～ 8 | 10 ～ 12 | 6 ～ 10 | 3 ～ 60 | 4 ～ 30 | 10 ～ 36 | 10 ～ 56 | - | - | 6 ～ 20 | 12 ～ 27 | 8 | 10 ～ 20 | 12 | 4 ～ 20 | 10 ～ 12 | 4 ～ 20 |
| Material | Stainless Steel ～ Steel | Stainless Steel ～ Steel | Steel | Steel | Stainless Steel ～ Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Stainless Steel ～ Steel | Stainless Steel | Steel | Steel | Stainless Steel ～ Steel | Stainless Steel ～ Steel | Stainless Steel ～ Steel | Stainless Steel ～ Steel | Steel | Steel | Steel | Stainless Steel ～ Steel | Steel | Stainless Steel ～ Steel |
| Surface Treatment | No / Trivalent Chromate / Bright Chromate Plating | - | - | - | - | Trivalent Chromate | Trivalent Chromate | Trivalent Chromate | Trivalent Chromate | Trivalent Chromate | Trivalent Chromate | Trivalent Chromate | No / Electroless Nickel / Trivalent Chromate / Bright Chromate Plating / Zinc Plating / Chromate Plating | - | - | - | No | - | - | - | - | - | - | - | - | - |
| Thread ridge type | Metric coarse | Metric fine | Metric fine | Metric coarse | Unify Fine UNF | Metric coarse | Metric fine | Metric coarse | Metric fine | Metric coarse | Metric fine | Metric coarse | Metric coarse | Metric coarse | Metric coarse | Metric fine | Whitworth Coarse | Unified coarse UNC | Metric coarse (Left) | Metric fine | Metric fine | Metric fine | Metric fine | Metric coarse | Metric fine | Metric coarse |
| Application / function | Stop loosening | Stop loosening | Stop loosening | Stop loosening | Stop loosening | Stop loosening | Stop loosening | Stop loosening | Stop loosening | Stop loosening | Stop loosening | Stop loosening | Stop loosening | Stop loosening | Stop loosening | Stop loosening | Stop loosening | Stop loosening | Stop loosening | Stop loosening | Stop loosening | Stop loosening | Stop loosening | Stop loosening | For welding | Stop loosening |
| Sales Unit | - | Low Quantity Available beginning with 1 pc. / Box/package | Low Quantity Available beginning with 1 pc. / Box/package | Low Quantity Available beginning with 1 pc. | Low Quantity Available beginning with 1 pc. / Box/package | Box/package | Box/package | Box/package | Box/package | Box/package | Box/package | Box/package | Low Quantity Available beginning with 1 pc. / Box/package | Low Quantity Available beginning with 1 pc. | Low Quantity Available beginning with 1 pc. / Box/package | Low Quantity Available beginning with 1 pc. / Box/package | Low Quantity Available beginning with 1 pc. / Box/package | Low Quantity Available beginning with 1 pc. / Box/package | Low Quantity Available beginning with 1 pc. / Box/package | Low Quantity Available beginning with 1 pc. | Low Quantity Available beginning with 1 pc. / Box/package | Low Quantity Available beginning with 1 pc. / Box/package | Low Quantity Available beginning with 1 pc. | Low Quantity Available beginning with 1 pc. / Box/package | Low Quantity Available beginning with 1 pc. | - |
| Nominal of Thread (inch) | - | - | - | - | 1/2 ～ 7/8 | - | - | - | - | - | - | - | - | - | - | - | 1 ～ 7/8 | 1 ～ 7/16 | - | - | - | - | - | - | - | - |
| Surface Treatment (Details) | No / Trivalent Chromate / Bright Chromate Plating | No / Trivalent Chromate / Bright Chromate Plating / Chromate Plating | No / Trivalent Chromate / Bright Chromate Plating / Chromate Plating | Trivalent Chromate | No / Bright Chromate Plating / Chromate Plating | Trivalent Chromate | Trivalent Chromate | Trivalent Chromate | Trivalent Chromate | Trivalent Chromate | Trivalent Chromate | Trivalent Chromate | No / Electroless Nickel Plating / Trivalent Chromate / Bright Chromate Plating / Hot Zinc Plating / Chromate Plating | No | Bright Chromate Plating / Chromate Plating | No / Trivalent Chromate / Bright Chromate Plating / Chromate Plating | No / Bright Chromate Plating / Hot Zinc Plating / Chromate Plating | No / Bright Chromate Plating / Chromate Plating | No / Trivalent Chromate / Bright Chromate Plating / Chromate Plating | No / Trivalent Chromate / Bright Chromate Plating / Chromate Plating | No / Trivalent Chromate / Bright Chromate Plating / Chromate Plating | No / Trivalent Chromate / Bright Chromate Plating / Chromate Plating | Bright Chromate Plating / Chromate Plating | No / Trivalent Chromate / Bright Chromate Plating / Chromate Plating | No | Trivalent Chromate / Bright Chromate Plating |
| Hex nut standard | - | A Type ～ Two Types | - | - | - | - | - | - | - | - | - | - | A Type ～ Two Types | A Type | Two Types | Two Types | A Type ～ Two Types | - | - | - | - | - | - | Three Types | - | - |
| Locking Type | 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 |
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Specification/Dimensions
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Metric / Inch
- metric
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Nominal of Thread (M)
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Material
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Surface Treatment
- No
- Electroless Nickel
- Trivalent Chromate
- Bright Chromate Plating
- Zinc Plating
- Chromate Plating
- Nickel Plating
- Chrome Plating
- Parker
- Polishing
- Painting / Coating
- Passivated
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Thread ridge type
- Metric coarse
- Metric coarse (Left)
- Metric fine
- Unified coarse UNC
- Unify Fine UNF
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Application / function
- General
- Stop loosening
- For welding
- Fall Prevention
-
Sales Unit
- Low Quantity Available beginning with 1 pc.
- Box/package
-
Nominal of Thread (inch)
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Surface Treatment (Details)
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Hex nut standard
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Locking Type
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