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Lock Nuts（Locking Details：Friction 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.
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Specification/Dimensions
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Nominal of Thread (M)
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Material
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Applications, Functions
- Standard
- Lock
- For Welding
- Fall-off Prevention
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Thread Type
- Metric, Coarse
- Metric, Coarse (Left)
- Metric, Fine
- Unified, Coarse (UNC)
- Unified, Fine (UNF)
- Whit, Coarse
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Surface Treatment
- Not Provided
- Electroless Nickel Plating
- Trivalent Chromate
- Bright Chrome Plating
- Zinc Plating
- Chromate Plating
- Nickel Plating
- Chrome Plating
- Parkerizing
- Polishing
- Painting, Coating
- Passivated
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Sales Unit
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Locking Details
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Nominal of Thread (inch)
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Surface Treatment (Details)
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Hex Nut Type
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You can add up to 6 items per a category to the compare list.
Until 31/03/2025
Until 31/03/2025Self-Locking Nut【1-250 Pieces Per Package】
KST
The friction ring swaged on the top of the nut engages with the thread of the bolt, providing a high-performance loosening prevention function. Since no special tool is required for linking, workability is excellent.From: ฿ 8.52 Special Price Days to Ship: 
Same day
Same day
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You can add up to 6 items per a category to the compare list.
Until 31/03/2025
Until 31/03/2025E-Lock Nut【1-600 Pieces Per Package】
SUNCO
A lock nut that not only has anti-loosening performance, but also has excellent durability and provides peace of mind and reliability in various vibration situations.
[Features]
· Provides a stable locking effect. Even if the tightening axial force decreases, it is prevented from falling off early.
· Intermediate lock is possible. Most suitable for tightening soft or easily damaged materials.
· Easy installation work and prevent installation mistakes. Since it is an all-metal product, it has excellent heat and cold resistance.
· Can be used repeatedly several times.
[Applications]
· Ideal for places where there is a lot of vibration, such as automobiles and motorcycles, that are prone to loosening, and where safety in construction and civil engineering is required.
· Ideal as a nut for mounting solar panels in places where vibration is likely to occur and there is a high possibility of loosening.
[Materials] Steel, Stainless steel.
[Surface treatment] None, trivalent chromate.From: ฿ 14.28 Special Price Days to Ship:
Same day
Same day
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You can add up to 6 items per a category to the compare list.
SUNCO
U nut with metal ring locking function.
[Features]
· U nut made from two points : the nut body and friction ring (special spring).
· The friction ring is fixed on the upper surface of the nut by crimping and integrated.
[Applications]
· Active in all industries from steel structures such as railways and connecting bridges to cars, motorcycles, and industrial machinery.
[Materials] Steel/Stainless Steel/S45C/Titanium/SCM435(H)
[Surface Processing] Trivalent White/Trivalent Black/None
[Nominal of Thread (M)] 5/10/12/14/16/18/24/30/36/42
[Application/Function] Loosening prevention
[Thread Ridge Type] Metric Coarse/Metric Fine
[Loosening Prevention Details] Friction NutFrom: ฿ 53.34 Days to Ship:
5 Day(s)
5 Day(s)
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You can add up to 6 items per a category to the compare list.
Until 31/03/2025
Until 31/03/2025Lead Lock Nut【80-7,000 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.From: ฿ 2,299.11 Special Price Days to Ship:
Same day
Same day
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You can add up to 6 items per a category to the compare list.
Flanged Lead Lock Nut【400-1,500 Pieces Per Package】
SUNCO
Lead lock nut which is easy to remove while remaining secure even when subjected to strong shaking force.From: ฿ 3,870.97 Days to Ship:
5 Day(s)
5 Day(s)
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You can add up to 6 items per a category to the compare list.
FORTUNE BRIGHT
High-quality, low-cost nut made in Taiwan.
All 4 types available (unichrome, trivalent, hot-dip, stainless steel) can be purchased individually.From: ฿ 7.74 Days to Ship:
Same day
Same day
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You can add up to 6 items per a category to the compare list.
Until 31/03/2025
Until 31/03/2025Lock Nut - SWUS【1-20 Pieces Per Package】
NBK
A nut with a high performance locking (loosening prevention) mechanism. This mechanism prevents loosening caused by vibration.From: ฿ 43.55 Special Price Days to Ship:
Same day
Same day
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You can add up to 6 items per a category to the compare list.
SOHWA SEISAKUSHO
[Materials] SWCH equivalent, SUS304 equivalent.
[Surface treatment] None, Trivalent chromate, bright chromate plating, zinc plating, chromate plating silver / copper / tin plating.From: ฿ 24.60 Days to Ship:
5 Day(s)
5 Day(s)
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You can add up to 6 items per a category to the compare list.
Stable Nut, Thin Type (Friction Nut)【1-1,800 Pieces Per Package】
SOHWA SEISAKUSHO
[Materials] SWCH equivalent, SUS304 equivalent.
[Surface treatment] None, Trivalent chromate, bright chromate plating chromate plating.From: ฿ 61.94 Days to Ship:
Same day
Same day
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You can add up to 6 items per a category to the compare list.
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 cablesFrom: ฿ 4,113.63 Days to Ship:
5 Day(s)
5 Day(s)
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You can add up to 6 items per a category to the compare list.
Lead Lock Nut Fine【300 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.From: ฿ 3,737.30 Days to Ship:
5 Day(s)
5 Day(s)
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You can add up to 6 items per a category to the compare list.
Lead Lock Nut Small【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.From: ฿ 5,773.38 Days to Ship:
5 Day(s)
5 Day(s)
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You can add up to 6 items per a category to the compare list.
V-Lock Nut【1-4,000 Pieces Per Package】
KISHU FASTENER
Double Locking Nut - Definitive Edition Mainly used for light electrical appliances, housing, fences, buildings, etc.From: ฿ 22.40 Days to Ship:
5 Day(s)
5 Day(s)
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You can add up to 6 items per a category to the compare list.
V-Lock Nut (Fine Thread)【200-300 Pieces Per Package】
KISHU FASTENER
The definitive double locking nut with fine threads. Mainly used for light electrical appliances, housing, fences, buildings, etc.From: ฿ 3,251.61 Days to Ship:
5 Day(s)
5 Day(s)
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You can add up to 6 items per a category to the compare list.
Iron and Stainless Steel Stable Nut【1-2,000 Pieces Per Package】
SOHWA SEISAKUSHO
Suitable for the fastening of soft or fragile materials. Capable of performing an intermediate lock. Does not require a spring lock washer, either.From: ฿ 33.91 Days to Ship:
5 Day(s)
5 Day(s)
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You can add up to 6 items per a category to the compare list.
Stable Nut, Thin Shape【1-1,800 Pieces Per Package】
SOHWA SEISAKUSHO
Suitable for the fastening of soft or fragile materials. Capable of performing an intermediate lock. Does not require a spring lock washer, either.From: ฿ 86.09 Days to Ship:
5 Day(s)
5 Day(s)
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You can add up to 6 items per a category to the compare list.
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.From: ฿ 9,754.84 Days to Ship:
5 Day(s)
5 Day(s)
-
You can add up to 6 items per a category to the compare list.
SUNCO
[Materials]Steel "Surface Treatment" trivalent chromate "Thread type" metric fineFrom: ฿ 22.76 Days to Ship:
5 Day(s)
5 Day(s)
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You can add up to 6 items per a category to the compare list.
Stable Nut Thin Type【400 Pieces Per Package】
SUNCO
A thin, stable nut that has a loosening prevention function and an intermediate locking function that prevents temporary fixing and falling.
[Features]
· A friction ring (metal plate spring) is connected to the upper surface of the nut by crimping.
· The friction ring has three blades along the lead angle of the screw to realize a stable locking function.
· Three-dimensional blades along the lead angle of the screw reduce the torque when screwing into the bolt.
· A structure that prevents the blade from passing under the screw threads and causing improper installation.
· Because it is an all-metal product, it has excellent heat and cold resistance and excellent durability.
· Since it has a reasonable structure, it is resistant to repeated use.
[Applications]
· Used outdoors or in places with a lot of vibration.
· Used for motorcycles, automobiles, transport machines, construction machines, agricultural machines, play equipment, processing machines, shipbuilding, railways, civil engineering, construction, electrical machinery, etc.
[Materials] Steel
[Surface Processing] Trivalent White
[Nominal of Thread (M)] 10
[Application/Function] Loosening prevention
[Thread Ridge Type] Metric Coarse
[Loosening Prevention Details] Friction NutFrom: ฿ 7,584.00 Days to Ship:
6 Day(s)
6 Day(s)
-
You can add up to 6 items per a category to the compare list.
V Lock Nut【1,500 Pieces Per Package】
SUNCO
[Material] Steel
[Surface Processing] Trivalent Stainless Coating
[Nominal of Thread (M)] 6
[Application/Function] Loosening prevention
[Thread Ridge Type] Metric Coarse
[Hex Nut Standard] Type 2
[Loosening Prevention Details] Friction NutFrom: ฿ 7,380.00 Days to Ship:
6 Day(s)
6 Day(s)
| Brand |
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| Product Series |
| CAD |
| From |
| 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 |
You can add up to 6 items per a category to the compare list.  Until 31/03/2025 | You can add up to 6 items per a category to the compare list.  Until 31/03/2025 | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  Until 31/03/2025 | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  Until 31/03/2025 | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | |
| Brand | KST | SUNCO | SUNCO | SUNCO | SUNCO | FORTUNE BRIGHT | NBK | SOHWA SEISAKUSHO | SOHWA SEISAKUSHO | KFC | SUNCO | SUNCO | KISHU FASTENER | KISHU FASTENER | SOHWA SEISAKUSHO | SOHWA SEISAKUSHO | SUNCO | SUNCO | SUNCO | SUNCO |
| Product Series | Stable Nut, Thin Type (Friction Nut)【1-1,800 Pieces Per Package】 | Iron and Stainless Steel Stable Nut【1-2,000 Pieces Per Package】 | ||||||||||||||||||
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| From | ฿ 8.52 Special Price On Sale Until 31/03/2025 | ฿ 14.28 Special Price On Sale Until 31/03/2025 | ฿ 53.34 | ฿ 2,299.11 Special Price On Sale Until 31/03/2025 | ฿ 3,870.97 | ฿ 7.74 | ฿ 43.55 Special Price On Sale Until 31/03/2025 | ฿ 24.60 | ฿ 61.94 | ฿ 4,113.63 | ฿ 3,737.30 | ฿ 5,773.38 | ฿ 22.40 | ฿ 3,251.61 | ฿ 33.91 | ฿ 86.09 | ฿ 9,754.84 | ฿ 22.76 | ฿ 7,584.00 | ฿ 7,380.00 |
| Days to Ship | Same day | Same day | 5 Day(s) | Same day | 5 Day(s) | Same day | Same day | 5 Day(s) | Same day | 5 Day(s) | 5 Day(s) | 5 Day(s) | 5 Day(s) | 5 Day(s) | 5 Day(s) | 5 Day(s) | 5 Day(s) | 5 Day(s) | 6 Day(s) | 6 Day(s) |
| Nominal of Thread (M) | 3 ～ 20 | 5 ～ 12 | 5 ～ 42 | 3 ～ 16 | 5 ～ 8 | 3 ～ 30 | 6 ～ 12 | 4 ～ 16 | 6 ～ 12 | 5 ～ 24 | 10 | 8 | 4 ～ 24 | 10 ～ 12 | 4 ～ 20 | 6 ～ 12 | 6 | 10 | 10 | 6 |
| Material | Stainless Steel ～ Steel | Stainless Steel ～ Steel | Stainless Steel ～ Steel | Steel | Steel | Stainless Steel ～ Steel | Stainless Steel | Stainless Steel | Stainless Steel ～ Steel | Stainless Steel ～ Steel | Steel | Steel | Stainless Steel ～ Steel | Steel | Stainless Steel ～ Steel | Stainless Steel ～ Steel | Steel | Steel | Steel | Steel |
| Applications, Functions | Lock | Lock | 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, Coarse | Metric, Coarse | Metric, Coarse | Metric, Coarse | Metric, Coarse | Metric, Coarse | Metric, Fine | Metric, Coarse | Metric, Coarse | Metric, Fine | Metric, Coarse | Metric, Coarse | Metric, Coarse | Metric, Fine | Metric, Coarse | Metric, Coarse |
| Surface Treatment | Not Provided / Bright Chrome Plating / Zinc Plating / Chromate Plating | Trivalent Chromate | Trivalent Chromate | Not Provided / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate Plating | Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating | Not Provided / Bright Chrome Plating / Zinc Plating | Not Provided | Not Provided | Not Provided / Trivalent Chromate / Chromate Plating | Not Provided / Zinc Plating | Trivalent Chromate | Not Provided / Trivalent Chromate | Not Provided / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate Plating | Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating | Not Provided / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate Plating | Not Provided / Trivalent Chromate / Chromate Plating | Trivalent Chromate | Trivalent Chromate | Trivalent Chromate | Painting, Coating |
| 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. | 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.) ～ Box, Pkg. | Box, Pkg. | Box, Pkg. | Box, Pkg. | Low Quantity (Available beginning with 1 pc.) ～ Box, Pkg. | Box, Pkg. | Low Quantity (Available beginning with 1 pc.) ～ Box, Pkg. | Low Quantity (Available beginning with 1 pc.) ～ Box, Pkg. | Box, Pkg. | Low Quantity (Available beginning with 1 pc.) | Box, Pkg. | Box, Pkg. |
| Locking Details | Friction Nut | Friction Nut | Friction Nut | Friction Nut | Friction Nut | Friction Nut | Friction Nut | Friction Nut | Friction Nut | Friction Nut | Friction Nut | Friction Nut | Friction Nut | Friction Nut | Friction Nut | Friction Nut | Friction Nut | Friction Nut | Friction Nut | Friction Nut |
| Nominal of Thread (inch) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Surface Treatment (Details) | Not Provided / Bright Chrome Plating / Hot Zinc Plating / Chromate Plating | Trivalent Chromate | Trivalent Chromate | Not Provided / Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate Plating | Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating | Not Provided / Bright Chrome Plating / Hot Zinc Plating | Not Provided | Not Provided | Not Provided / Trivalent Chromate / Chromate Plating | Not Provided / Hot Zinc Plating | Trivalent Chromate | Not Provided / Trivalent Chromate | Not Provided / Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate Plating | Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating | Not Provided / Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate Plating | Not Provided / Trivalent Chromate / Chromate Plating | Trivalent Chromate | Trivalent Chromate | Trivalent Chromate | - |
| Hex Nut Type | - | - | Class 2 | Class 1 ～ Class 2 | Class 2 | - | - | - | - | Class 1 | Class 2 | Class 2 | Class 1 ～ Class 2 | - | Class 1 ～ Class 2 | Class 3 | Class 2 | - | - | Class 2 |
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