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SUNCO Lock Nuts（Sales Unit：Low Quantity (Available beginning with 1 pc.)）
SUNCO offers products Lock Nuts specified by Sales Unit Low Quantity (Available beginning with 1 pc.) from Fasteners product category. There are a total of 19 items. The most popular types of screws, bolts, washers, nuts and bolts that can be used with all types of fastening work. SUNCO products are available to order through MISUMI online 24 hours a day. Free shipping, no minimum order.
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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 31/03/2025SUNCO
[Shape]
· Nylon ring is caulked on the outlet side of the nut.
· Nylon material is 66 nylon.
[Features]
· When the nut is tightened, a male thread is made on the nylon ring, and the friction of that part creates a locking effect.
· There is little torque drop even after repeated use.
· Because it is nylon, it will not damage the bolt.
· Can be used at -40 °C to 120 °C
[Materials] S45C, Equivalent to steel SWCH, SUS303, Titanium, Brass.
[Surface treatment] None, trivalent chromate, bright chromate plating, chromate plating, nickel plating
[Nominal designation of screw (M)] 1/2/2.6/3/4/5/6/8/10/12/14/16/16/18/20/22/24/27/30/33/36
[Application/Function] Prevents loosening
[Type of screw thread] Metric coarse.
[Details of locking] Nylon nutFrom: ฿ 3.10 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 31/03/2025SUNCO
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.
Until 31/03/2025
Until 31/03/2025SUNCO
[Material] Stainless steel/S45C
[Surface Processing] None / Trivalent White / Parkerizing (Phosphate Coating)
[Nominal of Thread (M)] 10/14/16/18/20/24/30
[Application/Function] Loosening prevention
[Thread Ridge Type] Metric Fine
[Loosening Prevention Details] Hard Lock NutFrom: ฿ 89.91 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
[Shape] Upper nut (convex type) and lower nut (concave type) are available.
· The top nut is perfectly circular with respect to the bolt, but the bottom nut has been eccentrically machined off-center with respect to the bolt.
[Features] Since the lower nut is eccentric, tightening the upper nut will apply a lateral force due to the wedging action. Friction to this male thread prevents loosening.
· Can be manually tightened to your desired position.
· Can be used repeatedly.
[Material] Steel/S45C/SCM435 (H)
[Surface Processing] Parkerizing (Phosphate Coating) / Trivalent White
[Nominal of Thread (M)] 8/10/12/14/16/18/22/24/30/33/36/39/45/48/52/56/64
[Application/Function] Loosening prevention
[Thread Ridge Type] Metric Coarse
[Loosening Prevention Details] Hard Lock NutFrom: ฿ 143.24 Days to Ship:
6 Day(s)
6 Day(s)
-
You can add up to 6 items per a category to the compare list.
SUNCO
U-nut (fine) 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
[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 NutFrom: ฿ 48.00 Days to Ship:
6 Day(s)
6 Day(s)
-
You can add up to 6 items per a category to the compare list.
SUNCO
U-nut with metal ring locking function (fine P=1.5).
[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.
[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 Nut.From: ฿ 49.94 Days to Ship:
6 Day(s)
6 Day(s)
-
You can add up to 6 items per a category to the compare list.
Hard Locking Bearing Nuts (Thin)
SUNCO
[Material] Steel/S45C/Stainless Steel
[Surface Processing] Trivalent White / Molten Zinc Plating / Parkerizing (Phosphate Coating) / None
[Nominal of Thread (M)] 16/20/22/24/27/36
[Application/Function] Loosening prevention
[Thread Ridge Type] Metric Coarse / Metric Fine
[Loosening Prevention Details] Hard Lock NutFrom: ฿ 159.44 Days to Ship:
6 Day(s)
6 Day(s)
-
You can add up to 6 items per a category to the compare list.
Until 31/03/2025
Until 31/03/2025SUNCO
[Materials] Steel S45C SWCH equivalent SUS304 equivalent
[Surface treatment] None, trivalent chromate, bright chromate plating, chromate platingFrom: ฿ 7.90 Special Price Days to Ship:
Same day
Same day
-
You can add up to 6 items per a category to the compare list.
SUNCO
[Material] Steel/Stainless Steel.
[Surface Processing] Bright Chromate Plating/Trivalent White/None.
[Nominal of Thread (M)] 5/6/22/30.
[Application/Function] Loosening prevention.
[Thread Ridge Type] Metric Coarse.
[Loosening Prevention Details] Hard Lock Nut.From: ฿ 1,188.58 Days to Ship:
5 Day(s)
5 Day(s)
-
You can add up to 6 items per a category to the compare list.
Until 31/03/2025
Until 31/03/2025SUNCO
[Materials] Equivalent to SWCH, Equivalent to SUS304.
[Surface treatment] None, trivalent chromate, bright chromate plating, chromate plating, nickel plating.
[Nominal designation of screw (M)] 5/6/8/10/12/12.
[Application/Function] Prevents loosening.
[Type of screw thread] Metric coarse.
[Details of locking] Nylon nut.From: ฿ 2.70 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 31/03/2025SUNCO
A hexagonal nylon nut with a unified UNC unified screw.
[Features]
· Nylon is attached to the top of the hexagon nut to fulfill the loosening prevention function and can be used repeatedly without damaging the mating material.
[Applications]
· Ideal for American cars and motorcycles.
[Materials] Equivalent to SWCH, Equivalent to SUS304.
[Surface treatment] None, bright chromate plating.From: ฿ 6.58 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 31/03/2025SUNCO
Thin 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
[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 NutFrom: ฿ 35.34 Special Price Days to Ship:
Same day
Same day
-
You can add up to 6 items per a category to the compare list.
Iron U-Nut Thin Type (Smooth Cut)
SUNCO
Metal thin U-nut (fine) with 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.
· Screw accuracy: JIS6H (2nd grade).
[Applications]
· Active in all industries from steel structures such as railways and connecting bridges to cars, motorcycles, and industrial machinery.
[Materials] 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 NutFrom: ฿ 24.28 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] Equivalent to SWCH, Equivalent to SUS304
[Surface treatment] None, trivalent chromate, bright chromate plating, chromate platingFrom: ฿ 7.50 Days to Ship:
5 Day(s)
5 Day(s)
-
You can add up to 6 items per a category to the compare list.
Until 31/03/2025
Until 31/03/2025Nylon Nut Class 1 Small and Fine
SUNCO
[Materials] Equivalent to SWCH/Equivalent to SUS304
[Surface treatment] None, trivalent chromate, bright chromate plating, chromate platingFrom: ฿ 10.60 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.
Nylon Nut Unified (UNF)【1-250 Pieces Per Package】
SUNCO
[Materials] Equivalent to SWCH, Equivalent to SUS304
[Surface treatment] None, bright chromate platingFrom: ฿ 6.60 Days to Ship:
5 Day(s)
5 Day(s)
-
You can add up to 6 items per a category to the compare list.
SUNCO
A locking nut used in combination with a normal nut. Does not get loose due to vibration and shock.
It is easy to attach and remove, reusable, no change in effectiveness.From: ฿ 7.46 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)
| Brand |
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| 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.  | 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.  | 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.  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.  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.  | |
| Brand | SUNCO | SUNCO | SUNCO | SUNCO | SUNCO | SUNCO | SUNCO | SUNCO | SUNCO | SUNCO | SUNCO | SUNCO | SUNCO | SUNCO | SUNCO | SUNCO | SUNCO | SUNCO | SUNCO |
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| From | ฿ 3.10 Special Price On Sale Until 31/03/2025 | ฿ 53.34 | ฿ 14.28 Special Price On Sale Until 31/03/2025 | ฿ 89.91 Special Price On Sale Until 31/03/2025 | ฿ 143.24 | ฿ 48.00 | ฿ 49.94 | ฿ 159.44 | ฿ 7.90 Special Price On Sale Until 31/03/2025 | ฿ 1,188.58 | ฿ 2.70 Special Price On Sale Until 31/03/2025 | ฿ 6.58 Special Price On Sale Until 31/03/2025 | ฿ 35.34 Special Price On Sale Until 31/03/2025 | ฿ 24.28 | ฿ 7.50 | ฿ 10.60 Special Price On Sale Until 31/03/2025 | ฿ 6.60 | ฿ 7.46 | ฿ 22.76 |
| Days to Ship | Same day | 5 Day(s) | Same day | Same day | 6 Day(s) | 6 Day(s) | 6 Day(s) | 6 Day(s) | Same day | 5 Day(s) | Same day | Same day | Same day | 5 Day(s) | 5 Day(s) | Same day | 5 Day(s) | 5 Day(s) | 5 Day(s) |
| Nominal of Thread (M) | 2 ～ 36 | 5 ～ 42 | 6 ～ 12 | 10 ～ 30 | 14 ～ 18 | 12 ～ 24 | 12 | 16 ～ 36 | 8 ～ 20 | 24 | 5 ～ 18 | - | 10 ～ 24 | 8 ～ 24 | 8 ～ 10 | 10 ～ 12 | - | - | 10 |
| Material | Brass ～ Titanium | Stainless Steel ～ Steel | Stainless Steel ～ Steel | Stainless Steel ～ Steel | Steel | Steel | Steel | Steel | Stainless Steel ～ Steel | Steel | Stainless Steel ～ Steel | Stainless Steel ～ Steel | Steel | Steel | Stainless Steel ～ Steel | Stainless Steel ～ Steel | Stainless Steel ～ Steel | Stainless Steel ～ Steel | Steel |
| Applications, Functions | Lock | Lock | Lock | Lock | Lock | Lock | Lock | Lock | Lock | Lock | Lock | Lock | Lock | Lock | Lock | Lock | Lock | Standard | Lock |
| Thread Type | Metric, Coarse | Metric, Coarse | Metric, Coarse | Metric, Fine | Metric, Coarse | Metric, Fine | Metric, Fine | Metric, Coarse | Metric, Fine | Metric, Coarse | Metric, Coarse | Unified, Coarse (UNC) | Metric, Coarse | Metric, Fine | Metric, Coarse | Metric, Fine | Unified, Fine (UNF) | Whit, Coarse | Metric, Fine |
| Surface Treatment | Trivalent Chromate / Bright Chrome Plating / Chromate Plating | Trivalent Chromate | Trivalent Chromate | Trivalent Chromate / Parkerizing | Parkerizing | Trivalent Chromate | Trivalent Chromate | Trivalent Chromate / Zinc Plating / Parkerizing | Trivalent Chromate / Bright Chrome Plating / Chromate Plating | Trivalent Chromate | Trivalent Chromate / Bright Chrome Plating / Chromate Plating | Bright Chrome Plating | Trivalent Chromate / Chromate Plating | Trivalent Chromate / Bright Chrome Plating | Bright Chrome Plating | Trivalent Chromate / Bright Chrome Plating / Chromate Plating | Bright Chrome Plating | Chromate Plating | Trivalent Chromate |
| Sales Unit | Low Quantity (Available beginning with 1 pc.) | Low Quantity (Available beginning with 1 pc.) | Low Quantity (Available beginning with 1 pc.) | Low Quantity (Available beginning with 1 pc.) | Low Quantity (Available beginning with 1 pc.) | Low Quantity (Available beginning with 1 pc.) | Low Quantity (Available beginning with 1 pc.) | Low Quantity (Available beginning with 1 pc.) | Low Quantity (Available beginning with 1 pc.) | Low Quantity (Available beginning with 1 pc.) | Low Quantity (Available beginning with 1 pc.) | Low Quantity (Available beginning with 1 pc.) | Low Quantity (Available beginning with 1 pc.) | Low Quantity (Available beginning with 1 pc.) | Low Quantity (Available beginning with 1 pc.) | Low Quantity (Available beginning with 1 pc.) | Low Quantity (Available beginning with 1 pc.) | Low Quantity (Available beginning with 1 pc.) | Low Quantity (Available beginning with 1 pc.) |
| Locking Details | Nylon Nut | Friction Nut | Friction Nut | Hard Lock Nut | Hard Lock Nut | U Nut | U Nut | Hard Lock Nut | Nylon Nut | Hard Lock Nut | Nylon Nut | Nylon Nut | U Nut | U Nut | Nylon Nut | Nylon Nut | Nylon Nut | - | Friction Nut |
| Nominal of Thread (inch) | - | - | - | - | - | - | - | - | - | - | - | 1/2 ～ No. 10 | - | - | - | - | 1/2 ～ 5/16 | 1/2 ～ 5/8 | - |
| Surface Treatment (Details) | Trivalent Chromate / Bright Chrome Plating / Chromate Plating | Trivalent Chromate | Trivalent Chromate | Other Special Treatment / Trivalent Chromate | Other Special Treatment | Trivalent Chromate | Trivalent Chromate | Other Special Treatment / Trivalent Chromate / Hot Zinc Plating | Trivalent Chromate / Bright Chrome Plating / Chromate Plating | Trivalent Chromate | Trivalent Chromate / Bright Chrome Plating / Chromate Plating | Bright Chrome Plating | Trivalent Chromate / Chromate Plating | Trivalent Chromate / Bright Chrome Plating | Bright Chrome Plating | Trivalent Chromate / Bright Chrome Plating / Chromate Plating | Bright Chrome Plating | Chromate Plating | Trivalent Chromate |
| Hex Nut Type | Class 1 | Class 2 | - | - | - | Class 2 | Class 2 | - | Class 1 | - | Class 2 | Class 1 | - | - | Class 1 | Class 1 | Class 1 | - | - |
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