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Lock Nuts（Nominal of Thread (inch)：3/4）
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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LOCKFASTENER
The included nylon ring is fitted with a male screw to prevent loosening due to rotation applied from various directions, direct vibration, and shock.
From: ₹ 150.40 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.
From: ₹ 1,097.15 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.
HARDLOCK INDUSTRY
Nut that uses the principle of the wedge. Bolts and nuts are integrated, and any kinds of vibration and shock are kept away.
From: ₹ 546.82 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.
From: ₹ 1,434.98 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
[Materials] Equivalent to SWCH, Equivalent to SUS304
[Surface treatment] None, bright chromate plating- Volume Discount
From: ₹ 185.00 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.
From: ₹ 256.82 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.
HARDLOCK Nut (Whitworth)【80 Pieces Per Package】
SUNCO
[Material] S45C
[Surface Processing] Trivalent White / Parkerizing (Phosphate Coating)
[Nominal of Thread (inch)] 3/8, 1/2, 5/8, 3/4, 7/8, 1
[Application/Function] Loosening prevention
[Thread Ridge Type] Whitworth Coarse
[Loosening Prevention Details] Hard Lock NutFrom: ₹ 765.39 Days to Ship: 6 Day(s) or more
6 Day(s) or more
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| Product Series |
| CAD |
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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.  | 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 | LOCKFASTENER | FUJI SEIMITSU | HARDLOCK INDUSTRY | FUJI SEIMITSU | SUNCO | FUJI SEIMITSU | SUNCO |
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| From | ₹ 150.40 | ₹ 2,209.58 | ₹ 546.82 | ₹ 1,973.56 | ₹ 185.00 | ₹ 407.56 | ₹ 61,231.20 |
| Days to Ship | 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 | 6 Day(s) or more |
| Nominal of Thread (M) | - | - | - | - | - | - | - |
| Material | Steel | Stainless Steel ～ Steel | Steel | Stainless Steel ～ Steel | Steel | Stainless Steel ～ Steel | Steel |
| Applications, Functions | Lock | Lock | Lock | Lock | Lock | Lock | Lock |
| Thread Type | Unified, Coarse (UNC) | Unified, Fine (UNF) | Whit, Coarse | Unified, Coarse (UNC) | Unified, Coarse (UNC) | Whit, Coarse | Whit, Coarse |
| Surface Treatment | Bright Chrome Plating | - | Trivalent Chromate | - | Bright Chrome Plating | Not Provided | Parkerizing |
| Sales Unit | 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. | Low Quantity (Available beginning with 1 pc.) | Low Quantity (Available beginning with 1 pc.) ～ Box, Pkg. | Box, Pkg. |
| Locking Details | Nylon Nut | U Nut | Hard Lock Nut | U Nut | Nylon Nut | U Nut | Hard Lock Nut |
| Nominal of Thread (inch) | 3/4 | 3/4 | 3/4 | 3/4 | 3/4 | 3/4 | 3/4 |
| Surface Treatment (Details) | Bright Chrome Plating | Not Provided | Trivalent Chromate | Not Provided / Chromate Plating | Bright Chrome Plating | Not Provided / Bright Chrome Plating / Chromate Plating | Other Special Treatment |
| Hex Nut Type | - | - | - | - | Class 1 | Class 1 | - |
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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
- 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
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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