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Lock Nuts（Hex Nut Type：Class 2）
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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18 items
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U Nut Class 1 and 2 (Steel/SUS304)【1-2,500 Pieces Per Package】
FUJI SEIMITSU
Definitive edition of Locking Nuts
- Volume Discount
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 3 ～ 45 Steel Lock Metric, Coarse Not Provided / Electroless Nickel Plating / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate Plating Low Quantity (Available beginning with 1 pc.) / Box, Pkg. U Nut - Not Provided / Electroless Nickel Plating / Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate Plating Class 2 From: ₹ 26.65 Days to Ship: 5 Day(s) or more 
5 Day(s) or more
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You can add up to 6 items per a category to the compare list.
U Nut Type 1 (Fine Details)【1-65 Pieces Per Package】
FUJI SEIMITSU
Definitive edition of Locking Nuts
- Volume Discount
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 24 ～ 27 Steel Lock Metric, Fine - Low Quantity (Available beginning with 1 pc.) / Box, Pkg. U Nut - Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating Class 2 From: ₹ 364.55 Days to Ship: 5 Day(s) or more
5 Day(s) or more
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You can add up to 6 items per a category to the compare list.
Nylon Lock Nut (Type 2)【1-2,000 Pieces Per Package】
TOMOE KOGYO
Frictional force generated between the nylon ring and the screw part of the bolt reduces shock and vibration and prevents the screw from loosening.
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 5 ～ 12 Stainless Steel ～ Steel Lock Metric, Coarse Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating Low Quantity (Available beginning with 1 pc.) / Box, Pkg. Nylon Nut - Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating Class 2 From: ₹ 5.50 Days to Ship: 5 Day(s) or more
5 Day(s) or more
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You can add up to 6 items per a category to the compare list.
Hex Nylon Lock Nut - Inch Size
SAIMA CORPORATION
A nut. Standardized in inches.
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 - Stainless Steel Lock Unified, Coarse (UNC) / Unified, Fine (UNF) Passivated Box, Pkg. Nylon Nut No. 2 ～ No. 12 Barrel, Passivated Class 2 From: ₹ 63.38 Days to Ship: 7 Day(s) or more
7 Day(s) or more
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You can add up to 6 items per a category to the compare list.
SUNCO
[Material] 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 NutNominal of Thread (M) Material Applications, Functions Thread Type Surface Treatment Sales Unit Locking Details Nominal of Thread (inch) Surface Treatment (Details) Hex Nut Type 5 ～ 42 Stainless Steel ～ Steel Lock Metric, Coarse Trivalent Chromate Low Quantity (Available beginning with 1 pc.) Friction Nut - Trivalent Chromate Class 2 From: ₹ 112.00 Days to Ship: 5 Day(s) or more
5 Day(s) or more
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You can add up to 6 items per a category to the compare list.
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 4Nominal of Thread (M) Material Applications, Functions Thread Type Surface Treatment Sales Unit Locking Details Nominal of Thread (inch) Surface Treatment (Details) Hex Nut Type 30 Steel Lock Metric, Coarse - Low Quantity (Available beginning with 1 pc.) U Nut - Bright Chrome Plating Class 2 From: ₹ 2,604.18 Days to Ship: 5 Day(s) or more
5 Day(s) or more
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You can add up to 6 items per a category to the compare list.
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 NutNominal of Thread (M) Material Applications, Functions Thread Type Surface Treatment Sales Unit Locking Details Nominal of Thread (inch) Surface Treatment (Details) Hex Nut Type 20 Steel Lock Metric, Fine Trivalent Chromate Low Quantity (Available beginning with 1 pc.) U Nut - Trivalent Chromate Class 2 From: ₹ 430.40 Days to Ship: 6 Day(s) or more
6 Day(s) or more
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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 plating, nickel plating- Volume Discount
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 5 ～ 18 Stainless Steel ～ Steel Lock Metric, Coarse Trivalent Chromate / Bright Chrome Plating / Chromate Plating Low Quantity (Available beginning with 1 pc.) Nylon Nut - Trivalent Chromate / Bright Chrome Plating / Chromate Plating Class 2 From: ₹ 8.00 Days to Ship: 5 Day(s) or more
5 Day(s) or more
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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.
- Volume Discount
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 4 ～ 12 Steel Lock Metric, Coarse Not Provided / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate Plating Low Quantity (Available beginning with 1 pc.) / Box, Pkg. Friction Nut - Not Provided / Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate Plating Class 2 From: ₹ 8.00 Days to Ship: 5 Day(s) or more
5 Day(s) or more
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You can add up to 6 items per a category to the compare list.
U Nut Type 2 (Fine Details)【1-120 Pieces Per Package】
FUJI SEIMITSU
Definitive edition of Locking Nuts
- Volume Discount
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 10 ～ 56 Steel Lock Metric, Fine - Low Quantity (Available beginning with 1 pc.) / Box, Pkg. U Nut - Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating Class 2 From: ₹ 148.80 Days to Ship: Same day or more
Same day or more
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You can add up to 6 items per a category to the compare list.
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 NutNominal of Thread (M) Material Applications, Functions Thread Type Surface Treatment Sales Unit Locking Details Nominal of Thread (inch) Surface Treatment (Details) Hex Nut Type 12 Steel Lock Metric, Fine Trivalent Chromate Low Quantity (Available beginning with 1 pc.) U Nut - Trivalent Chromate Class 2 From: ₹ 103.20 Days to Ship: 6 Day(s) or more
6 Day(s) or more
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You can add up to 6 items per a category to the compare list.
Lead Lock Nut【200-7,000 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.
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 3 ～ 12 Steel Lock Metric, Coarse Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating Box, Pkg. Friction Nut - Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating Class 2 From: ₹ 9.60 Days to Ship: 5 Day(s) or more
5 Day(s) or more
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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.
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 5 ～ 8 Steel Lock Metric, Coarse Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating Box, Pkg. Friction Nut - Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating Class 2 From: ₹ 12.00 Days to Ship: 5 Day(s) or more
5 Day(s) or more
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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.
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 10 Steel Lock Metric, Fine Trivalent Chromate Box, Pkg. Friction Nut - Trivalent Chromate Class 2 From: ₹ 29.06 Days to Ship: 5 Day(s) or more
5 Day(s) or more
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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.
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 8 Steel Lock Metric, Coarse Not Provided / Trivalent Chromate Box, Pkg. Friction Nut - Not Provided / Trivalent Chromate Class 2 From: ₹ 17.60 Days to Ship: 5 Day(s) or more
5 Day(s) or more
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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.
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 4 ～ 16 Stainless Steel ～ Steel Lock Metric, Coarse Not Provided / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate Plating Low Quantity (Available beginning with 1 pc.) / Box, Pkg. Friction Nut - Not Provided / Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate Plating Class 2 From: ₹ 8.93 Days to Ship: 5 Day(s) or more
5 Day(s) or more
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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.
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 6 Steel Lock Metric, Coarse Trivalent Chromate Box, Pkg. Friction Nut - Trivalent Chromate Class 2 From: ₹ 11.63 Days to Ship: 5 Day(s) or more
5 Day(s) or more
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You can add up to 6 items per a category to the compare list.
Nut, Whitworth【80 Pieces Per Package】
FUJI SEIMITSU
Definitive edition of Locking Nuts
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 - Steel Lock Whit, Coarse - Box, Pkg. U Nut 7/8 Bright Chrome Plating Class 2 From: ₹ 356.22 Days to Ship: 5 Day(s) or more
5 Day(s) or more
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| Nominal of Thread (M) |
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| 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.  | 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.  | 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 | FUJI SEIMITSU | FUJI SEIMITSU | TOMOE KOGYO | SAIMA CORPORATION | SUNCO | FUJI SEIMITSU | SUNCO | SUNCO | KISHU FASTENER | FUJI SEIMITSU | SUNCO | SUNCO | SUNCO | SUNCO | SUNCO | SOHWA SEISAKUSHO | SUNCO | FUJI SEIMITSU |
| Product Series | U Nut Class 1 and 2 (Steel/SUS304)【1-2,500 Pieces Per Package】 | Iron and Stainless Steel Stable Nut【1-2,000 Pieces Per Package】 | ||||||||||||||||
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| From | ₹ 30.00 | ₹ 567.49 | ₹ 12.00 | ₹ 63.38 | ₹ 112.00 | ₹ 2,604.18 | ₹ 430.40 | ₹ 8.00 | ₹ 49.36 | ₹ 148.80 | ₹ 103.20 | ₹ 5,600.00 | ₹ 8,000.00 | ₹ 8,715.20 | ₹ 14,080.00 | ₹ 91.05 | ₹ 20,920.00 | ₹ 28,497.33 |
| Days to Ship | 5 Day(s) or more | 5 Day(s) or more | 5 Day(s) or more | 7 Day(s) or more | 5 Day(s) or more | 5 Day(s) or more | 6 Day(s) or more | 5 Day(s) or more | 5 Day(s) or more | Same day or more | 6 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) | 3 ～ 45 | 24 ～ 27 | 5 ～ 12 | - | 5 ～ 42 | 30 | 20 | 5 ～ 18 | 4 ～ 12 | 10 ～ 56 | 12 | 3 ～ 12 | 5 ～ 8 | 10 | 8 | 4 ～ 16 | 6 | - |
| Material | Steel | Steel | Stainless Steel ～ Steel | Stainless Steel | Stainless Steel ～ Steel | Steel | Steel | Stainless Steel ～ Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Stainless Steel ～ Steel | Steel | Steel |
| Applications, Functions | Lock | Lock | Lock | Lock | Lock | Lock | Lock | Lock | Lock | Lock | Lock | Lock | Lock | Lock | Lock | Lock | Lock | Lock |
| Thread Type | Metric, Coarse | Metric, Fine | Metric, Coarse | Unified, Coarse (UNC) / Unified, Fine (UNF) | Metric, Coarse | Metric, Coarse | Metric, Fine | Metric, Coarse | Metric, Coarse | Metric, Fine | Metric, Fine | Metric, Coarse | Metric, Coarse | Metric, Fine | Metric, Coarse | Metric, Coarse | Metric, Coarse | Whit, Coarse |
| Surface Treatment | Not Provided / Electroless Nickel Plating / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate Plating | - | Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating | Passivated | Trivalent Chromate | - | Trivalent Chromate | Trivalent Chromate / Bright Chrome Plating / Chromate Plating | Not Provided / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate Plating | - | Trivalent Chromate | Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating | Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating | Trivalent Chromate | Not Provided / Trivalent Chromate | Not Provided / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate Plating | Trivalent Chromate | - |
| 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.) | 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.) / 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. | Box, Pkg. | Box, Pkg. |
| Locking Details | U Nut | U Nut | Nylon Nut | Nylon Nut | Friction Nut | U Nut | U Nut | Nylon Nut | Friction Nut | U Nut | U Nut | Friction Nut | Friction Nut | Friction Nut | Friction Nut | Friction Nut | Friction Nut | U Nut |
| Nominal of Thread (inch) | - | - | - | No. 2 ～ No. 12 | - | - | - | - | - | - | - | - | - | - | - | - | - | 7/8 |
| 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 / Bright Chrome Plating / Chromate Plating | Barrel, Passivated | Trivalent Chromate | Bright Chrome Plating | Trivalent Chromate | Trivalent Chromate / Bright Chrome Plating / Chromate Plating | Not Provided / Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate Plating | Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating | Trivalent Chromate | Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating | Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating | Trivalent Chromate | Not Provided / Trivalent Chromate | Not Provided / Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate Plating | Trivalent Chromate | Bright Chrome Plating |
| Hex Nut Type | Class 2 | Class 2 | Class 2 | Class 2 | Class 2 | Class 2 | Class 2 | Class 2 | Class 2 | Class 2 | Class 2 | Class 2 | Class 2 | Class 2 | Class 2 | Class 2 | Class 2 | Class 2 |
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Configure
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
- Parkerizing
- Polishing
- Painting, Coating
- Passivated
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Sales Unit
- Low Quantity (Available beginning with 1 pc.)
- Box, Pkg.
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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
Payment Method
- Credit Card
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- Debit Cart
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- Net Banking
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- UPI
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- Cheque on delivery
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- Online payment
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