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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.
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Lock Nuts（Surface Treatment (Details)：Hot Zinc Plating）

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 (1) FUJI SEIMITSU (2) HARDLOCK INDUSTRY (3) KFC (2) KHI (1) KISHU FASTENER (1) KST (1) LOCKFASTENER (0) NBK (0) OHSATO (0) RS Pro (0) SAIMA CORPORATION (0) SAKAMURA (0) SATO RASHI (0) SOHWA SEISAKUSHO (1) SUNCO (2) 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

14 items

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: 30; 60; 90

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Until 31/03/2025

U Nut Class 1 and 2 (Steel/SUS304)【1-125 Pieces Per Package】

FUJI SEIMITSU

Definitive edition of Locking Nuts

From: ฿ 22.14
Special Price
Days to Ship: 5 Day(s)

5 Day(s)

Compare

Until 31/03/2025

Self-Locking Nut

KST

The friction ring swaged on the top of the nut engages with the thread of the bolt, providing a high-performance loosening prevention function. Since no special tool is required for linking, workability is excellent.

From: ฿ 21.60
Special Price
Days to Ship: Same day

Same day

Compare

Until 31/03/2025

Hardlock Nut (Thread-Lock Nut)

HARDLOCK INDUSTRY

Some sizes are no longer available as they have been redesigned as a rimmed type. Please see the rimmed type if the size you are looking for is not available.
[Features]
・ Anti-loosening effect recognized by the world.
・ Torque and axial force control is possible.
・ Can be used repeatedly.
・ Workability is simple and good.
・ Contributes to significant cost reduction.

From: ฿ 147.96
Special Price
Days to Ship: 5 Day(s)

5 Day(s)

Compare

Until 31/03/2025

Lead Lock Nut【80 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: ฿ 2,299.11
Special Price
Days to Ship: Same day

Same day

Compare

Hyper Load Nut

KHI

The nut and spring are integrated to completely prevent loosening and falling of nuts. This effect to prevent loosening is maintained even if it is repeatedly used.

From: ฿ 143.81
Days to Ship: 5 Day(s)

5 Day(s)

Compare

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 Nut

From: ฿ 159.44
Days to Ship: 6 Day(s)

6 Day(s)

Compare

Until 31/03/2025

H-1 Rimmed Hard Locking Nut

HARDLOCK INDUSTRY

A new standard in hard lock nuts. Mountability greatly improved by stopping concave nuts using the rim shape (flange).

From: ฿ 80.83
Special Price
Days to Ship: 5 Day(s)

5 Day(s)

Compare

K Nut with Washer【100-300 Pieces Per Package】

KFC

[Features]
● Friction rings apply firm pressure on the screw threads when tightening, with an excellent anti-loosening effect
● Simplifies work processes and material management
● Passes tests specified in NASA standards NAS3350 and NAS3354

[Applications]
● Locations subject to constant vibration, such as roads and railroads
● Hanging ceiling bolts and ceiling racks
● Mounting support brackets for cables

From: ฿ 4,283.69
Days to Ship: 5 Day(s)

5 Day(s)

Compare

FB Lock Nut

FORTUNE BRIGHT

High-quality, low-cost nut made in Taiwan.
All 4 types available (unichrome, trivalent, hot-dip, stainless steel) can be purchased individually.

From: ฿ 14.52
Days to Ship: 3 Day(s)

3 Day(s)

Compare

Whitworth Hard Locking Nut

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: ฿ 93.54
Days to Ship: 5 Day(s)

5 Day(s)

Compare

Locking K Nut【25-500 Pieces Per Package】

KFC

[Features]
- Friction rings firmly press screw threads when tightening nuts, preventing them from coming loose.
- Handled like a standard nut; no special tools required.
- Compliant with NASA-standard NAS3350 and NAS3354 testing.

[Use]
- Locations with constant vibration, such as roads and railroads
- Ceiling-hung bolts and racks
- Mounting support brackets for cables

From: ฿ 4,113.63
Days to Ship: 5 Day(s)

5 Day(s)

Compare

V-Lock Nut【1-80 Pieces Per Package】

KISHU FASTENER

Double Locking Nut - Definitive Edition Mainly used for light electrical appliances, housing, fences, buildings, etc.

From: ฿ 22.40
Days to Ship: 5 Day(s)

5 Day(s)

Compare

Iron and Stainless Steel Stable Nut【1-500 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: ฿ 137.03
Days to Ship: 5 Day(s)

5 Day(s)

Compare

Nut, Whitworth【1-1,000 Pieces Per Package】

FUJI SEIMITSU

Definitive edition of Locking Nuts

From: ฿ 53.33
Days to Ship: 5 Day(s)

5 Day(s)


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

	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 Until 31/03/2025	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 Until 31/03/2025	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	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	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare
Brand	FUJI SEIMITSU	KST	HARDLOCK INDUSTRY	SUNCO	KHI	SUNCO	HARDLOCK INDUSTRY	KFC	FORTUNE BRIGHT	HARDLOCK INDUSTRY	KFC	KISHU FASTENER	SOHWA SEISAKUSHO	FUJI SEIMITSU
Product Series	U Nut Class 1 and 2 (Steel/SUS304)【1-125 Pieces Per Package】	Self-Locking Nut	Hardlock Nut (Thread-Lock Nut)	Lead Lock Nut【80 Pieces Per Package】	Hyper Load Nut	Hard Locking Bearing Nuts (Thin)	H-1 Rimmed Hard Locking Nut	K Nut with Washer【100-300 Pieces Per Package】	FB Lock Nut	Whitworth Hard Locking Nut	Locking K Nut【25-500 Pieces Per Package】	V-Lock Nut【1-80 Pieces Per Package】	Iron and Stainless Steel Stable Nut【1-500 Pieces Per Package】	Nut, Whitworth【1-1,000 Pieces Per Package】
CAD				2D / 3D
From	฿ 22.14 Special Price On Sale Until 31/03/2025	฿ 21.60 Special Price On Sale Until 31/03/2025	฿ 147.96 Special Price On Sale Until 31/03/2025	฿ 2,299.11 Special Price On Sale Until 31/03/2025	฿ 143.81	฿ 159.44	฿ 80.83 Special Price On Sale Until 31/03/2025	฿ 4,283.69	฿ 14.52	฿ 93.54	฿ 4,113.63	฿ 22.40	฿ 137.03	฿ 53.33
Days to Ship	5 Day(s)	Same day	5 Day(s)	Same day	5 Day(s)	6 Day(s)	5 Day(s)	5 Day(s)	3 Day(s)	5 Day(s)	5 Day(s)	5 Day(s)	5 Day(s)	5 Day(s)
Nominal of Thread (M)	8 ～ 30	12	14 ～ 18	16	8 ～ 24	16	10 ～ 20	8 ～ 12	8 ～ 20	-	8 ～ 24	8 ～ 24	8 ～ 20	-
Material	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel
Applications, Functions	Lock	Lock	Lock	Lock	Lock	Lock	Lock	Lock	Lock	Lock	Lock	Lock	Lock	Lock
Thread Type	Metric, Coarse	Metric, Coarse	Metric, Coarse	Metric, Coarse	Metric, Coarse	Metric, Coarse	Metric, Coarse	Metric, Coarse	Metric, Coarse	Whit, Coarse	Metric, Coarse	Metric, Coarse	Metric, Coarse	Whit, Coarse
Surface Treatment	Zinc Plating	Zinc Plating	-	Zinc Plating	Zinc Plating	Zinc Plating	-	Zinc Plating	Zinc Plating	Zinc Plating	Zinc Plating	Zinc Plating	Zinc Plating	-
Sales Unit	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.)	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.	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.
Locking Details	U Nut	Friction Nut	Hard Lock Nut	Friction Nut	Spring Nut	Hard Lock Nut	Hard Lock Nut	Other Special Shapes	Friction Nut	Hard Lock Nut	Friction Nut	Friction Nut	Friction Nut	U Nut
Nominal of Thread (inch)	-	-	-	-	-	-	-	-	-	1 ～ 3/8	-	-	-	1/2 ～ 7/8
Surface Treatment (Details)	Hot Zinc Plating	Hot Zinc Plating	Hot Zinc Plating	Hot Zinc Plating	Hot Zinc Plating	Hot Zinc Plating	Hot Zinc Plating	Hot Zinc Plating	Hot Zinc Plating	Hot Zinc Plating	Hot Zinc Plating	Hot Zinc Plating	Hot Zinc Plating	Hot Zinc Plating
Hex Nut Type	Class 1 ～ Class 2	-	-	Class 1	-	-	-	Class 1	-	-	Class 1	Class 1 ～ Class 2	Class 1 ～ Class 2	Class 1