Due to an increase in demand, the lead time of some of the electrical items from our eCatalogue has increased abnormally and may cause delays in delivery or order suspension. We apologize for the inconvenience and appreciate your kind understanding. Once the supply will get normalized, we will update the same.

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Lock Nuts（Hex Nut Type：Class 2）

Category page for Lock Nuts/Non-Loosening Nuts. For MISUMI, you can select from M1 to 64, 5 types of material and 10 types of surface processing.
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.

Brand	(0) (0) ESCO (0) FORTUNE BRIGHT (0) FUJI SEIMITSU (5) HARDLOCK INDUSTRY (0) KFC (0) KHI (0) KISHU FASTENER (1) KST (0) LOCKFASTENER (0) NABEYA BI-TECH (0) SAIMA CORPORATION (1) SAKAMURA (0) SATO RASHI (0) SOHWA SEISAKUSHO (1) SUNCO (10) TOMOE KOGYO (1) TRUSCO NAKAYAMA (0) YAHATA (0)
CAD	2D 3D
Days to Ship	All Same day 5 Day(s) or Less 6 Day(s) or Less 7 Day(s) or Less 8 Day(s) or Less Others

19 items

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: 30; 45; 60

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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

From: ₹ 26.65
Days to Ship: 5 Day(s) or more

5 Day(s) or more

You can add up to 6 items per a category to the compare list. Compare

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

From: ₹ 264.92
Days to Ship: 5 Day(s) or more

5 Day(s) or more

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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

From: ₹ 8.00
Days to Ship: 5 Day(s) or more

5 Day(s) or more

You can add up to 6 items per a category to the compare list. Compare

U Nut (Fine)【1-65 Pieces Per Package】

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 Nut

From: ₹ 100.80
Days to Ship: 6 Day(s) or more

6 Day(s) or more

You can add up to 6 items per a category to the compare list. Compare

Hex Nylon Nut - Inch Size

SAIMA CORPORATION

A nut. Standardized in inches.

From: ₹ 63.38
Days to Ship: 7 Day(s) or more

7 Day(s) or more

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U Nut Type 2 (Fine Details)【1-120 Pieces Per Package】

FUJI SEIMITSU

Definitive edition of Locking Nuts

Volume Discount

From: ₹ 148.80
Days to Ship: 5 Day(s) or more

5 Day(s) or more

You can add up to 6 items per a category to the compare list. Compare

U Nut (Fine P=1.5)

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 Nut

From: ₹ 103.20
Days to Ship: 6 Day(s) or more

6 Day(s) or more

You can add up to 6 items per a category to the compare list. Compare

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.

CAD ：: 2D / 3D

From: ₹ 12.00
Days to Ship: 5 Day(s) or more

5 Day(s) or more

You can add up to 6 items per a category to the compare list. Compare

U Nut Type 1 (Fine Details)【1-65 Pieces Per Package】

FUJI SEIMITSU

Definitive edition of Locking Nuts

Volume Discount

From: ₹ 364.55
Days to Ship: 5 Day(s) or more

5 Day(s) or more

You can add up to 6 items per a category to the compare list. Compare

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.

CAD ：: 2D / 3D

From: ₹ 9.60
Days to Ship: 5 Day(s) or more

5 Day(s) or more

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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: ₹ 8.93
Days to Ship: 5 Day(s) or more

5 Day(s) or more

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Nylon 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.

From: ₹ 5.50
Days to Ship: 5 Day(s) or more

5 Day(s) or more

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U Nut

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 Nut

From: ₹ 112.00
Days to Ship: 5 Day(s) or more

5 Day(s) or more

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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 Nut

From: ₹ 10.17
Days to Ship: 6 Day(s) or more

6 Day(s) or more

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Nylon Nut Type 2

SUNCO

[Materials] Equivalent to SWCH, Equivalent to SUS304
[Surface treatment] None, trivalent chromate, bright chromate plating, chromate plating, nickel plating

Volume Discount

CAD ：: 2D / 3D

From: ₹ 8.00
Days to Ship: 5 Day(s) or more

5 Day(s) or more

You can add up to 6 items per a category to the compare list. Compare

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.

CAD ：: 2D / 3D

From: ₹ 29.06
Days to Ship: 5 Day(s) or more

5 Day(s) or more

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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.

CAD ：: 2D / 3D

From: ₹ 17.60
Days to Ship: 5 Day(s) or more

5 Day(s) or more

You can add up to 6 items per a category to the compare list. Compare

Thin, Lead Locking Nut【400-1,800 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: ₹ 9.60
Days to Ship: 5 Day(s) or more

5 Day(s) or more

You can add up to 6 items per a category to the compare list. Compare

Nut, Whitworth【80 Pieces Per Package】

FUJI SEIMITSU

Definitive edition of Locking Nuts

From: ₹ 356.22
Days to Ship: 5 Day(s) or more

5 Day(s) or more


Brand
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

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Brand	FUJI SEIMITSU	FUJI SEIMITSU	KISHU FASTENER	SUNCO	SAIMA CORPORATION	FUJI SEIMITSU	SUNCO	SUNCO	FUJI SEIMITSU	SUNCO	SOHWA SEISAKUSHO	TOMOE KOGYO	SUNCO	SUNCO	SUNCO	SUNCO	SUNCO	SUNCO	FUJI SEIMITSU
Product Series	U Nut Class 1 and 2 (Steel/SUS304)【1-2,500 Pieces Per Package】	U Nut Type 2【1-600 Pieces Per Package】	V-Lock Nut【1-4,000 Pieces Per Package】	U Nut (Fine)【1-65 Pieces Per Package】	Hex Nylon Nut - Inch Size	U Nut Type 2 (Fine Details)【1-120 Pieces Per Package】	U Nut (Fine P=1.5)	Flanged Lead Lock Nut【400-1,500 Pieces Per Package】	U Nut Type 1 (Fine Details)【1-65 Pieces Per Package】	Lead Lock Nut【200-7,000 Pieces Per Package】	Iron and Stainless Steel Stable Nut【1-2,000 Pieces Per Package】	Nylon Nut (Type 2)【1-2,000 Pieces Per Package】	U Nut	V Lock Nut【1,500 Pieces Per Package】	Nylon Nut Type 2	Lead Lock Nut Fine【300 Pieces Per Package】	Lead Lock Nut Small【800 Pieces Per Package】	Thin, Lead Locking Nut【400-1,800 Pieces Per Package】	Nut, Whitworth【80 Pieces Per Package】
CAD								2D / 3D		2D / 3D					2D / 3D	2D / 3D	2D / 3D
From	₹ 30.00	₹ 2,604.18	₹ 49.36	₹ 100.80	₹ 63.38	₹ 148.80	₹ 103.20	₹ 8,000.00	₹ 567.49	₹ 5,600.00	₹ 91.05	₹ 12.00	₹ 112.00	₹ 15,252.00	₹ 8.00	₹ 8,715.20	₹ 14,080.00	₹ 8,960.00	₹ 28,497.33
Days to Ship	5 Day(s) or more	5 Day(s) or more	5 Day(s) or more	6 Day(s) or more	7 Day(s) or more	5 Day(s) 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	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
Nominal of Thread (M)	3 ～ 45	10 ～ 36	4 ～ 12	12 ～ 42	-	10 ～ 56	12 ～ 30	5 ～ 8	24 ～ 27	3 ～ 12	4 ～ 16	5 ～ 12	5 ～ 42	6	5 ～ 18	10	8	6 ～ 10	-
Material	Steel	Steel	Steel	Steel	Stainless Steel	Steel	Steel	Steel	Steel	Steel	Stainless Steel ～ Steel	Stainless Steel ～ Steel	Stainless Steel ～ 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
Thread Type	Metric, Coarse	Metric, Coarse	Metric, Coarse	Metric, Fine	Unified, Coarse (UNC) / Unified, Fine (UNF)	Metric, Fine	Metric, Fine	Metric, Coarse	Metric, Fine	Metric, Coarse	Metric, Coarse	Metric, Coarse	Metric, Coarse	Metric, Coarse	Metric, Coarse	Metric, Fine	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 / Zinc Plating / Chromate Plating	Trivalent Chromate	Passivated	-	Trivalent Chromate / Bright Chrome Plating	Not Provided / Trivalent Chromate / Bright Chrome 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 / Bright Chrome Plating / Chromate Plating	Trivalent Chromate	Painting, Coating	Trivalent Chromate / Bright Chrome Plating / Chromate Plating	Trivalent Chromate	Not Provided / Trivalent Chromate	Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating	-
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.	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.	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.	Low Quantity (Available beginning with 1 pc.)	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.
Locking Details	U Nut	U Nut	Friction Nut	U Nut	Nylon Nut	U Nut	U Nut	Friction Nut	U Nut	Friction Nut	Friction Nut	Nylon Nut	Friction Nut	Friction Nut	Nylon 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	Bright Chrome Plating / Chromate Plating	Not Provided / Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate Plating	Trivalent Chromate	Barrel, Passivated	Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating	Trivalent Chromate / Bright Chrome Plating	Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating	Not Provided / Trivalent Chromate / Bright Chrome 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 / Bright Chrome Plating / Chromate Plating	Trivalent Chromate	-	Trivalent Chromate / Bright Chrome Plating / Chromate Plating	Trivalent Chromate	Not Provided / Trivalent Chromate	Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating	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	Class 2

Configure

Specification/Dimensions

Nominal of Thread (M)
2

2.6

3

4

5

6

8

10

M10x0.75

12

M12x1.0

14

M15x1.0

16

M17x1.0

18

20

M20x1.0

22

24

M25x1.5

27

30

M30x1.5

33

M35x1.5

36

39

M40x1.5

42

45

M45x1.5

48

M50x1.5

52

56

60

64

M95x2.0

M100x2.0

M105x2.0

M110x2.0

M115x2.0

M120x2.0

M125x2.0

M130x2.0

M135x2.0

M140x2.0

M145x2.0

M150x2.0
Clear

Material
Brass

Brass

Stainless Steel

Steel

Titanium
Clear

Applications, Functions
- Standard
- Lock
- For Welding
- Fall-off Prevention
Clear

Thread Type
- Metric, Coarse
- Metric, Coarse (Left)
- Metric, Fine
- Unified, Coarse (UNC)
- Unified, Fine (UNF)
- Whit, Coarse
Clear

Surface Treatment
- Not Provided
- Electroless Nickel Plating
- Trivalent Chromate
- Bright Chrome Plating
- Zinc Plating
- Chromate Plating
- Nickel Plating
- Parkerizing
- Polishing
- Painting, Coating
- Passivated
Clear

Sales Unit
Low Quantity (Available beginning with 1 pc.)

Box, Pkg.
Clear

Locking Details
- U Nut
- Hard Lock Nut
- Friction Nut
- Nylon Nut
- Spring Nut
- Other Special Shapes
Clear

Nominal of Thread (inch)
1

1 1/4

1 1/8

1/2

1/4

No. 2

3/4

3/8

No. 4

5/8

5/16

No. 6

7/8

7/16

No. 8

No. 10

No. 12
Clear

Surface Treatment (Details)
- Not Provided
- Electroless Nickel Plating
- Trivalent Chromate
- Bright Chrome Plating
- Hot Zinc Plating
- Chromate Plating
- Nickel Plating
- Parkerizing
- Barrel, Passivated
- Special Chemical Grinding
- Black Paint
- Seizure-Against Coating
- Other Special Treatment
Clear

Hex Nut Type
Class 1

Class 2

Class 3
Clear

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Lock Nuts（Hex Nut Type：Class 2）

Configure

Specification/Dimensions

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

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