(!) Since support from Microsoft will end on January 14 2020, Windows 7 user might not be able to use MISUMI website effectively. Please consider to update your system as ‘MISUMI Website system requirement’.

MiSUMi

Webcode Seach | Series: #CODE

Keyword suggestions

Part number suggestions

Discontinued Products

Quote/ Order

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

How can we improve?

How can we improve?

* This form is only for feedback/comment on our website and service
Feedback

Name (Optional)

E-mail Address (Optional)

Tel (Optional)

Your feedback is essential for our continuous improvement

Thank you for your cooperation.

Your feedback is essential for our continuous improvement.

Lock Nuts（Locking Details：Hard Lock Nut）

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	(2) (0) ESCO (0) FESTO (0) FORTUNE BRIGHT (0) FUJI SEIMITSU (0) HARDLOCK INDUSTRY (6) 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 (0) SUNCO (5) TOMOE KOGYO (0) TRUSCO (2) 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

15 items

Sort By

: 30; 60; 90

Compare

Until 31/03/2025

Double Locking Nuts

MISUMI

[Features]
[Materials] SS400 equivalent, SUS304 equivalent, S45C equivalent, SCM435 equivalent.
[Surface treatment] Trivalent chromate.
[Height (mm)] 8, 10.6, 13.2, 16, 18.5, 20.

From: ฿ 23.79
Special Price
Days to Ship: Same day

Same day

Compare

Hex Nut "Hard Lock Nut" (with Rim/Trivalent Chromate)【1-15 Pieces Per Package】

TRUSCO

[Features]
● Almost completely eliminates bolt rotation, resulting in near perfect anti-loosening properties
● Firmly fixes male screws in place, even mid-thread
● Reusable
● Protects bolts from bending, and can extend the service life of the fastening
● Optimal for fastening differing materials (wood, plastic, etc.) that may cause vibration

From: ฿ 219.00
Days to Ship: Same day

Same day

Compare

[Clean & Pack] Double Locking Nut

MISUMI

Three types of cleaning methods are available: degreasing, precision cleaning, and electrolytic polishing + precision cleaning. They can be ordered from one piece with the standard part number.
This eliminates the need for customer cleaning or outsourced cleaning, reducing the amount of time and effort required.

■Part Number for Clean & Pack Products

·Degreasing (Anti-rust single packing)	: Part Number SL-□□
·Precision cleaning (Degassing double packing)	: Part Number SH-□□
·Electrolytic polishing + precision cleaning (Degassing double packing)	: Part Number SHD-□□

Product Part Number	Cleaning Method	Packaging Type	Effects Compared to Uncleaned Product	Environment (Standard)	Process
SL-□□	Degreasing	Anti-rust packing	Oil removal	General environment	Regular assembly process
					Post battery assembly process
SH-□□	Precision cleaning	Degassing double packing	Oil removal Dust removal	Clean environment (Class 10 to 1,000)	Battery assembly process
					LCD-related post assembly process
					In-vehicle camera assembly process
SHD-□□	Electrolytic polishing + precision cleaning	Degassing double packing	Oil removal Dust removal Outgas reduction	Vacuum environment Clean environment (Class 10 to 1,000)	Pre-semiconductor process
					Liquid crystal deposition process
					Pre-OLED process

■Notes
Cleaning also removes rust prevention oil, which may make the product more susceptible to rusting than an uncleaned product.
Please be careful about the application location and storage environment.

From: ฿ 103.35
Days to Ship: 7 Day(s)

7 Day(s)

Compare

Until 31/03/2025

Hardlock Nut (Thread-Lock Nut)【1-150 Pieces Per Package】

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: ฿ 82.86
Special Price
Days to Ship: Same day

Same day

Compare

Until 31/03/2025

HARDLOCK Nut (Fine Thread)

SUNCO

[Material] Stainless steel/S45C
[Surface Processing] None / Trivalent White / Parkerizing (Phosphate Coating)
[Nominal of Thread (M)] 10/14/16/18/20/24/30
[Application/Function] Loosening prevention
[Thread Ridge Type] Metric Fine
[Loosening Prevention Details] Hard Lock Nut

From: ฿ 89.91
Special Price
Days to Ship: Same day

Same day

Compare

Thin 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: ฿ 142.27
Days to Ship: 5 Day(s)

5 Day(s)

Compare

Hard Lock Nut【1-200 Pieces Per Package】

SUNCO

[Shape] Upper nut (convex type) and lower nut (concave type) are available.
· The top nut is perfectly circular with respect to the bolt, but the bottom nut has been eccentrically machined off-center with respect to the bolt.
[Features] Since the lower nut is eccentric, tightening the upper nut will apply a lateral force due to the wedging action. Friction to this male thread prevents loosening.
· Can be manually tightened to your desired position.
· Can be used repeatedly.

[Material] Steel/S45C/SCM435 (H)
[Surface Processing] Parkerizing (Phosphate Coating) / Trivalent White
[Nominal of Thread (M)] 8/10/12/14/16/18/22/24/30/33/36/39/45/48/52/56/64
[Application/Function] Loosening prevention
[Thread Ridge Type] Metric Coarse
[Loosening Prevention Details] Hard Lock Nut

From: ฿ 143.24
Days to Ship: 6 Day(s)

6 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【1-300 Pieces Per Package】

HARDLOCK INDUSTRY

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

From: ฿ 21.34
Special Price
Days to Ship: Same day

Same day

Compare

Until 31/03/2025

Fine 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: ฿ 99.05
Special Price
Days to Ship: Same day

Same day

Compare

HARDLOCK Nut (H-1/with Rim)

SUNCO

[Material] Steel/Stainless Steel.
[Surface Processing] Bright Chromate Plating/Trivalent White/None.
[Nominal of Thread (M)] 5/6/22/30.
[Application/Function] Loosening prevention.
[Thread Ridge Type] Metric Coarse.
[Loosening Prevention Details] Hard Lock Nut.

From: ฿ 1,188.58
Days to Ship: 5 Day(s)

5 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

Hex Nut “Hyper Load Nut”【1-7 Pieces Per Package】

TRUSCO

[Features]
● The nut’s built-in spring prevents loosening and falling.
● Mounting is easy as it can be used in the same manner as a standard nut.
● Performance is maintained even if it is repeatedly used.
● Perfect for fastening points on soft materials such as resin and rubber.

From: ฿ 217.00
Days to Ship: 1 Day(s)

1 Day(s)

Compare

Until 31/03/2025

Semi-Flat 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: ฿ 406.45
Special Price
Days to Ship: Same day

Same day

Compare

HARDLOCK Nut (Whitworth)【40-100 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 Nut

From: ฿ 13,635.10
Days to Ship: 6 Day(s)

6 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	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 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 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	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	MISUMI	TRUSCO	MISUMI	HARDLOCK INDUSTRY	SUNCO	HARDLOCK INDUSTRY	SUNCO	SUNCO	HARDLOCK INDUSTRY	HARDLOCK INDUSTRY	SUNCO	HARDLOCK INDUSTRY	TRUSCO	HARDLOCK INDUSTRY	SUNCO
Product Series	Double Locking Nuts	Hex Nut "Hard Lock Nut" (with Rim/Trivalent Chromate)【1-15 Pieces Per Package】	[Clean & Pack] Double Locking Nut	Hardlock Nut (Thread-Lock Nut)【1-150 Pieces Per Package】	HARDLOCK Nut (Fine Thread)	Thin Hard Locking Nut	Hard Lock Nut【1-200 Pieces Per Package】	Hard Locking Bearing Nuts (Thin)	H-1 Rimmed Hard Locking Nut【1-300 Pieces Per Package】	Fine Hard Locking Nut	HARDLOCK Nut (H-1/with Rim)	Whitworth Hard Locking Nut	Hex Nut “Hyper Load Nut”【1-7 Pieces Per Package】	Semi-Flat Hard Locking Nut	HARDLOCK Nut (Whitworth)【40-100 Pieces Per Package】
CAD	2D / 3D
From	฿ 23.79 Special Price On Sale Until 31/03/2025	฿ 219.00	฿ 103.35	฿ 82.86 Special Price On Sale Until 31/03/2025	฿ 89.91 Special Price On Sale Until 31/03/2025	฿ 142.27	฿ 143.24	฿ 159.44	฿ 21.34 Special Price On Sale Until 31/03/2025	฿ 99.05 Special Price On Sale Until 31/03/2025	฿ 1,188.58	฿ 93.54	฿ 217.00	฿ 406.45 Special Price On Sale Until 31/03/2025	฿ 13,635.10
Days to Ship	Same day	Same day	7 Day(s)	Same day	Same day	5 Day(s)	6 Day(s)	6 Day(s)	Same day	Same day	5 Day(s)	5 Day(s)	1 Day(s)	Same day	6 Day(s)
Nominal of Thread (M)	6 ～ 16	6 ～ 20	-	6 ～ 64	10 ～ 30	16 ～ 36	14 ～ 18	16 ～ 36	5 ～ 30	8 ～ 36	24	-	8 ～ 20	24 ～ 48	-
Material	Stainless Steel ～ Steel	Steel	Steel	Brass ～ Steel	Stainless Steel ～ Steel	Stainless Steel ～ Steel	Steel	Steel	Stainless Steel ～ Steel	Stainless Steel ～ Steel	Steel	Stainless Steel ～ Steel	Steel	Stainless Steel ～ Steel	Steel
Applications, Functions	Lock	Fall-off Prevention	Standard / m / n	Lock	Lock	Lock	Lock	Lock	Lock	Lock	Lock	Lock	Fall-off Prevention	Lock	Lock
Thread Type	Metric, Coarse	Metric, Coarse	Metric, Coarse	Metric, Coarse	Metric, Fine	Metric, Coarse	Metric, Coarse	Metric, Coarse	Metric, Coarse	Metric, Fine	Metric, Coarse	Whit, Coarse	Metric, Coarse	Metric, Coarse	Whit, Coarse
Surface Treatment	Not Provided / Trivalent Chromate	-	-	Trivalent Chromate / Chromate Plating / Nickel Plating / Parkerizing	Trivalent Chromate / Parkerizing	Not Provided / Trivalent Chromate	Parkerizing	Trivalent Chromate / Zinc Plating / Parkerizing	Trivalent Chromate / Parkerizing / Painting, Coating	Not Provided / Trivalent Chromate	Trivalent Chromate	Not Provided / Trivalent Chromate / Zinc Plating	-	Not Provided / Trivalent Chromate	Parkerizing
Sales Unit	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.)	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.)	Box, Pkg.
Locking Details	Hard Lock Nut	Hard Lock Nut	Hard Lock Nut	Hard Lock Nut	Hard Lock Nut	Hard Lock Nut	Hard Lock Nut	Hard Lock Nut	Hard Lock Nut	Hard Lock Nut	Hard Lock Nut	Hard Lock Nut	Hard Lock Nut	Hard Lock Nut	Hard Lock Nut
Nominal of Thread (inch)	-	-	-	-	-	-	-	-	-	-	-	1 ～ 5/8	-	-	1 ～ 7/8
Surface Treatment (Details)	Not Provided / Trivalent Chromate	Trivalent Chromate	-	Not Provided / Trivalent Chromate / Hot Zinc Plating / Chromate Plating / Nickel Plating / Parkerizing	Other Special Treatment / Trivalent Chromate	Not Provided / Trivalent Chromate	Other Special Treatment	Other Special Treatment / Trivalent Chromate / Hot Zinc Plating	Seizure-Against Coating / Not Provided / Trivalent Chromate / Hot Zinc Plating / Parkerizing	Not Provided / Trivalent Chromate	Trivalent Chromate	Not Provided / Trivalent Chromate / Hot Zinc Plating	Trivalent Chromate	Not Provided / Trivalent Chromate	Other Special Treatment
Hex Nut Type	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-