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Lock Nuts（Application / function：Stop loosening Page2）
| Days to Ship |
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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 -
Nylon Nut (Type 1, Fine Details)【1-500 Pieces Per Package】
Lock Fastener
When the internal nylon ring mates with a male screw, loosening as a result of rotation in any direction, linear vibration, or shock is avoided.
- Volume Discount
Days to Ship: 8 Days or more -
Nylon Nut (Type 1, Small Size)
Lock Fastener
The included nylon ring is fitted with a male screw to prevent loosening due to rotation applied from various directions, direct vibration, and shock.
- Volume Discount
Days to Ship: 8 Days or more -
Nylon Nut (Type 1, Small Size, Fine Details)
Lock Fastener
Frictional force generated between the nylon ring and the screw part of the bolt reduces shock and vibration and prevents the screw from loosening.
- Volume Discount
Days to Ship: 8 Days or more -
Nylon Nut (Type 1)【1-3,000 Pieces Per Package】
Tomoe
Frictional force generated between the nylon ring and the screw part of the bolt reduces shock and vibration, and prevents the screw from loosening.
- Volume Discount
Days to Ship: 8 Days or more -
Nylon Nut (Type 1, Fine Details)【1-200 Pieces Per Package】
Tomoe
Frictional force generated between the nylon ring and the screw part of the bolt reduces shock and vibration and prevents the screw from loosening.
- Volume Discount
Days to Ship: 8 Days or more -
Nylon Nut (Type 1, Small Size)【1-500 Pieces Per Package】
Tomoe
Frictional force generated between the nylon ring and the screw part of the bolt reduces shock and vibration and prevents the screw from loosening.
- Volume Discount
Days to Ship: 8 Days or more -
Nylon Nut (Type 1, Small Size, Fine Details)【1-150 Pieces Per Package】
Tomoe
Frictional force generated between the nylon ring and the screw part of the bolt reduces shock and vibration and prevents the screw from loosening.
- Volume Discount
Days to Ship: 8 Days or more -
Nylon Nut (Type 2)【1-2,000 Pieces Per Package】
Tomoe
Frictional force generated between the nylon ring and the screw part of the bolt reduces shock and vibration and prevents the screw from loosening.
- Volume Discount
Days to Ship: 8 Days or more -
Nylon Nut (Type 3)【500 Pieces Per Package】
Tomoe
Frictional force generated between the nylon ring and the screw part of the bolt reduces shock and vibration and prevents the screw from loosening.
- Volume Discount
Days to Ship: 8 Days or more -
Thin, Lead Locking Nut【1,800 Pieces Per Package】
Sunco
If necessary, it can be removed when required, and it does not become loose even it is shaken intensely during use, the lead lock nut is a product that resolves this contradictory duality well.
- Volume Discount
Days to Ship: 8 Days or more -
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 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 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
-
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 -
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
-
Wedge Nut Type A (Stainless Steel) (Pack Product)
Yahata Neji
The special shape with a wedge face makes a wedge effect and locks the target bolt tightly.
For mounting on bicycles, vibrating machinery, tools, casters, etc.
Sold in small boxes. When placing an order, please enter the number of pieces in the quantity column.- Volume Discount
Days to Ship: 11 Days or more -
Wedge Nut Type F (Iron/Trivalent Chromate) (Pack Product)
Yahata Neji
The special wedge face shape locks the target bolt tightly.
For mounting onto bicycles, vibrating machinery, tools, casters, etc.
Fits into small boxes. When placing an order, please enter the number of pieces in the quantity column.- Volume Discount
Days to Ship: 11 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 -
K Nut with Washer【80-1,000 Pieces Per Package】
KFC
[Features]
• Friction rings apply firm pressure on the screw threads when tightening, with an excellent anti-loosening effect
• Simplifies work processes and material management
• Passes tests specified in NASA standards NAS3350 and NAS3354
[Applications]
• Locations subject to constant vibration, such as roads and railroads
• Hanging ceiling bolts and ceiling racks
• Mounting support brackets for cables- Volume Discount
Days to Ship: 8 Days or more -
Locking K Nut【25-1,000 Pieces Per Package】
KFC
[Features]
- Friction rings firmly press screw threads when tightening nuts, preventing them from coming loose.
- Handled like a standard nut; no special tools required.
- Compliant with NASA-standard NAS3350 and NAS3354 testing.
[Use]
- Locations with constant vibration, such as roads and railroads
- Ceiling-hung bolts and racks
- Mounting support brackets for cables- Volume Discount
Days to Ship: 8 Days or more -
Days to Ship: 10 Days or more
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| CAD |
| Days to Ship |
| Nominal of Thread (M) |
| Material |
| Surface Treatment |
| Thread ridge type |
| Application / function |
| Sales Unit |
| Nominal of Thread (inch) |
| Surface Treatment (Details) |
| Hex nut standard |
| Locking Type |
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| Brand | Sato Rashi | Sato Rashi | Sato Rashi | Sato Rashi | Lock Fastener | Lock Fastener | Lock Fastener | Tomoe | Tomoe | Tomoe | Tomoe | Tomoe | Tomoe | Sunco | 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 | Fuji Seimitsu | Yahata Neji | Yahata Neji | Trusco Nakayama | KFC | KFC | Saima |
| Product Series | 4T Tough Lock Flange (Fine Thread)【120-250 Pieces Per Package】 | Nylon Nut (Type 1, Small Size, Fine Details)【1-150 Pieces Per Package】 | U Nut Class 1 and 2 (Steel/SUS304)【1-2,500 Pieces Per Package】 | |||||||||||||||||||||||||||||||
| CAD | ||||||||||||||||||||||||||||||||||
| Days to Ship | 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 | 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 |
Same day or more
Show Stock Products | 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 | 11 Days or more | 11 Days or more | 8 Days or more | 8 Days or more | 8 Days or more | 10 Days or more |
| Nominal of Thread (M) | 8 | 12 | 6 ～ 8 | 10 ～ 12 | 8 ～ 12 | 8 | 10 | 2 ～ 30 | 8 ～ 24 | 8 | 10 ～ 12 | 5 ～ 12 | 6 | 6 | 8 ～ 16 | 3 ～ 60 | 4 ～ 30 | 8 ～ 27 | 10 ～ 36 | 10 ～ 56 | - | - | 6 ～ 20 | 12 ～ 27 | 8 | 10 ～ 20 | 12 | 8 ～ 18 | 4 ～ 12 | 4 ～ 10 | 4 ～ 20 | 5 ～ 16 | 5 ～ 24 | - |
| Material | Steel | Steel | Steel | Steel | Stainless Steel | Stainless Steel | Stainless Steel | Brass ～ Steel | Steel | Steel | Steel | Stainless Steel ～ Steel | Steel | Steel | Steel | Stainless Steel ～ Steel | Stainless Steel | Stainless Steel ～ Steel | Steel | Steel | Stainless Steel ～ Steel | Stainless Steel ～ Steel | Stainless Steel ～ Steel | Stainless Steel ～ Steel | Steel | Steel | Steel | Steel | Stainless Steel | Steel | Stainless Steel ～ Steel | Stainless Steel ～ Steel | Stainless Steel ～ Steel | Stainless Steel |
| Surface Treatment | Trivalent Chromate | Trivalent Chromate | Trivalent Chromate | Trivalent Chromate | No | No | No | No / Trivalent Chromate / Bright Chromate Plating / Chromate Plating / Nickel Plating | Trivalent Chromate / Bright Chromate Plating / Chromate Plating | Trivalent Chromate / Bright Chromate Plating / Chromate Plating | Trivalent Chromate / Bright Chromate Plating / Chromate Plating | No / Trivalent Chromate / Bright Chromate Plating / Chromate Plating | Trivalent Chromate | Trivalent Chromate | - | No / Electroless Nickel / Trivalent Chromate / Bright Chromate Plating / Zinc Plating / Chromate Plating | - | - | - | - | No | - | - | - | - | - | - | - | No | Trivalent Chromate | - | No / Zinc Plating | No / Zinc Plating | Passivated |
| Thread ridge type | Metric coarse | Metric fine | Metric coarse | Metric fine | Metric fine | Metric coarse | Metric fine | Metric coarse | Metric fine | Metric coarse | Metric fine | Metric coarse | Metric coarse | Metric coarse | Metric coarse | Metric coarse | Metric coarse | Metric fine | Metric coarse | Metric fine | Whitworth Coarse | Unified coarse UNC | Metric coarse (Left) | Metric fine | Metric fine | Metric fine | Metric fine | Metric fine | Metric coarse | Metric coarse | Metric coarse | Metric coarse | Metric coarse | Unified coarse UNC / Unify Fine UNF |
| 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 | Stop loosening | Stop loosening | Stop loosening | Stop loosening | Stop loosening | Stop loosening | Stop loosening | Stop loosening | Stop loosening | Stop loosening |
| Sales Unit | Box/package | Box/package | Box/package | 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 | Box/package | 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. | 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. / 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 | Box/package | Box/package | - | Box/package | Box/package | Box/package |
| Nominal of Thread (inch) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 ～ 7/8 | 1 ～ 7/16 | - | - | - | - | - | - | - | - | - | - | - | NO.12 ～ NO.8 |
| Surface Treatment (Details) | Trivalent Chromate | Trivalent Chromate | Trivalent Chromate | Trivalent Chromate | No | No | No | Other Special Processings / No / Trivalent Chromate / Bright Chromate Plating / Chromate Plating / Nickel Plating | Trivalent Chromate / Bright Chromate Plating / Chromate Plating | Trivalent Chromate / Bright Chromate Plating / Chromate Plating | Trivalent Chromate / Bright Chromate Plating / Chromate Plating | No / Trivalent Chromate / Bright Chromate Plating / Chromate Plating | Trivalent Chromate | Trivalent Chromate | Trivalent Chromate | No / Electroless Nickel Plating / Trivalent Chromate / Bright Chromate Plating / Hot Zinc Plating / Chromate Plating | No | No / Trivalent Chromate / Bright Chromate Plating / Chromate Plating | 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 | Trivalent Chromate / Bright Chromate Plating | No / Hot Zinc Plating | No / Hot Zinc Plating | Passivated |
| Hex nut standard | - | - | - | - | A Type | A Type | A Type | A Type | A Type | A Type | A Type | Two Types | Three Types | Two Types | - | A Type ～ Two Types | A Type | A Type ～ Two Types | Two Types | Two Types | A Type ～ Two Types | - | - | - | - | - | - | - | - | - | - | A Type | A Type | Two Types |
| Locking Type | U Nut | U Nut | U Nut | U Nut | Nylon Nut | Nylon Nut | Nylon Nut | Nylon Nut | Nylon Nut | Nylon Nut | Nylon Nut | Nylon Nut | Nylon Nut | Friction 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 | Other Special Shapes | Friction Nut | Nylon Nut |
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- Bright Chromate Plating
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Thread ridge type
- Metric coarse
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Application / function
- General
- Stop loosening
- For welding
- Fall Prevention
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- Low Quantity Available beginning with 1 pc.
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