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Scheduled Maintenance Notice: This site will be unavailable due to scheduled maintenance from 8:00 28/7/2024 to 6:00 29/7/2024. We apologize for the inconvenience.
Notice of End of Sales for Economy Series Pneumatic Equipment Category. More information.
แจ้งวันหยุดทำการในเดือน กรกฎาคมและสิงหาคม 2567 | Notice holiday in July and August 2024 > คลิก

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Lock Nuts（Hex Nut Type：Class 3）

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.

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
- Chrome 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 1/8

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
- Chrome Plating
- Parkerizing
- Barrel, Passivated
- Special Chemical Grinding
- Seizure-Against Coating
- Other Special Treatment
Clear

Hex Nut Type
Class 1

Class 2

Class 3
Clear

Brand	(0) (0) ESCO (0) FESTO (0) FORTUNE BRIGHT (0) FUJI SEIMITSU (1) HARDLOCK INDUSTRY (0) KFC (0) KHI (0) KISHU FASTENER (0) KST (0) LOCKFASTENER (0) NBK (0) OHSATO (0) RS Pro (0) SAIMA CORPORATION (0) SAKAMURA (0) SATO RASHI (0) SOHWA SEISAKUSHO (1) SUNCO (0) TOMOE KOGYO (0) TRUSCO (0) YAHATA (0)
Filter By	All Sale Items
CAD	2D 3D
Days to Ship	All Same day 1 Day(s) or Less 3 Day(s) or Less 4 Day(s) or Less 5 Day(s) or Less Others

2 items

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: 30; 60; 90

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Until 31/03/2025

U Nut Type 3【1-4,000 Pieces Per Package】

FUJI SEIMITSU

Thread
[Type]Metric coarse, Application/Function, Locking, Locking for detail, U-nut
[Nominal Thread (M)] 4 5 6 8 10 12 14 16 20
[Materials] Steel, Stainless steel
[Sales unit] Minimum Quantity (Available for Purchase from 1 pc) Box and Pkg.
[Surface treatment](Details) non-trivalent chromate, trivalent black, trivalent white, bright chromate plating, chromate plating, black chromate
[Pitch (mm)] 0.7 0.8 1 1.25 1.5 1.75 2 2.5

From: ฿ 6.60
Special Price
Days to Ship: Same day

Same day

Compare

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)


Brand
Product Series
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.Compare Until 31/03/2025	You can add up to 6 items per a category to the compare list.Compare
Brand	FUJI SEIMITSU	SOHWA SEISAKUSHO
Product Series	U Nut Type 3【1-4,000 Pieces Per Package】	Stable Nut, Thin Shape【1-1,800 Pieces Per Package】
From	฿ 6.60 Special Price On Sale Until 31/03/2025	฿ 86.09
Days to Ship	Same day	5 Day(s)
Nominal of Thread (M)	4 ～ 20	6 ～ 12
Material	Stainless Steel ～ Steel	Stainless Steel ～ Steel
Applications, Functions	Lock	Lock
Thread Type	Metric, Coarse	Metric, Coarse
Surface Treatment	-	Not Provided / Trivalent Chromate / Chromate Plating
Sales Unit	Low Quantity (Available beginning with 1 pc.) ～ Box, Pkg.	Low Quantity (Available beginning with 1 pc.) ～ Box, Pkg.
Locking Details	U Nut	Friction Nut
Nominal of Thread (inch)	-	-
Surface Treatment (Details)	Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating	Not Provided / Trivalent Chromate / Chromate Plating
Hex Nut Type	Class 3	Class 3