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

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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.

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Starting from^∗ ：	0.28 €
	Special price
Min. Shipping Days ：	Same day

*Unit price with basic configuration

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U Nut Class 1 and 2 (Steel / SUS304)

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

FUJI SEIMITSU

Definitive edition of Locking Nuts

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Starting from^∗ ：	0.73 €
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Min. Shipping Days ：	Same day

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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.

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Starting from^∗ ：	4.61 €
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Min. Shipping Days ：	6 Days

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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.

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Starting from^∗ ：	2.55 €
Min. Shipping Days ：	6 Days

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K Nut with Washer

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

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Starting from^∗ ：	152.28 €
Min. Shipping Days ：	6 Days

*Unit price with basic configuration

DIN 7967 Self lock.counter nuts

REYHER

Nuts; PAL nuts; Safety nuts

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Starting from^∗ ：	0.15 €
Min. Shipping Days ：	3 Days

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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.

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Starting from^∗ ：	1.57 €
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Min. Shipping Days ：	Same day

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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).

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Starting from^∗ ：	2.77 €
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Min. Shipping Days ：	6 Days

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V-Lock Nut

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.

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Starting from^∗ ：	0.38 €
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Min. Shipping Days ：	Same day

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Locking K Nut

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

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Starting from^∗ ：	125.88 €
Min. Shipping Days ：	6 Days

*Unit price with basic configuration

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.

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Starting from^∗ ：	0.34 €
Min. Shipping Days ：	5 Days

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Nut, Whitworth

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

FUJI SEIMITSU

Definitive edition of Locking Nuts

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Starting from^∗ ：	1.43 €
Min. Shipping Days ：	6 Days

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Iron and Stainless Steel Stable Nut

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.

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Starting from^∗ ：	5.16 €
Min. Shipping Days ：	6 Days

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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

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Starting from^∗ ：	4.61 €
Min. Shipping Days ：	6 Days

*Unit price with basic configuration


Brand
Product Series
Starting from^∗
Min. Shipping Days
Screw Nominal (M)
Material
Surface Treatment
Thread Type
Applications, Functions
Sales Unit
Screw Nominal (inch)
Surface Treatment (Details)
Hex Nut Type
Locking Details

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Brand	KST	FUJI SEIMITSU	HARDLOCK INDUSTRY	HARDLOCK INDUSTRY	KFC_	REYHER	KHI	HARDLOCK INDUSTRY	KISHU FASTENER	KFC_	FORTUNE BRIGHT	FUJI SEIMITSU	SOHWA SEISAKUSHO	SUNCO
Product Series	Self-Locking Nut	U Nut Class 1 and 2 (Steel / SUS304)【1-125 Pieces Per Package】	Hardlock Nut (Thread-Lock Nut)	Whitworth Hard Locking Nut	K Nut with Washer【100-300 Pieces Per Package】	DIN 7967 Self lock.counter nuts	Hyper Load Nut	H-1 Rimmed Hard Locking Nut	V-Lock Nut【1-80 Pieces Per Package】	Locking K Nut【25-500 Pieces Per Package】	FB Lock Nut	Nut, Whitworth【1-1,000 Pieces Per Package】	Iron and Stainless Steel Stable Nut【1-500 Pieces Per Package】	Hard Locking Bearing Nuts (Thin)
Starting from^∗	0.28 € Special price *Unit price with basic configuration Promotional pricing Volume Discount	0.73 € Special price *Unit price with basic configuration Promotional pricing Volume Discount	4.61 € Special price *Unit price with basic configuration Promotional pricing Volume Discount	2.55 € *Unit price with basic configuration Volume Discount	152.28 € *Unit price with basic configuration Volume Discount	0.15 € *Unit price with basic configuration Volume Discount	1.57 € Special price *Unit price with basic configuration Promotional pricing Volume Discount	2.77 € Special price *Unit price with basic configuration Promotional pricing Volume Discount	0.38 € Special price *Unit price with basic configuration Promotional pricing Volume Discount	125.88 € *Unit price with basic configuration	0.34 € *Unit price with basic configuration Volume Discount	1.43 € *Unit price with basic configuration Volume Discount	5.16 € *Unit price with basic configuration Volume Discount	4.61 € *Unit price with basic configuration Volume Discount
Min. Shipping Days	Same day	Same day	6 Days	6 Days	6 Days	3 Days	Same day	6 Days	Same day	6 Days	5 Days	6 Days	6 Days	6 Days
Screw Nominal (M)	6 ～ 20	8 ～ 30	14 ～ 18	-	8 ～ 12	8 ～ 48	8 ～ 24	10 ～ 20	8 ～ 24	8 ～ 24	8 ～ 20	-	8 ～ 20	16
Material	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel
Surface Treatment	Zinc Plating	Zinc Plating	-	Zinc Plating	Zinc Plating	-	Zinc Plating	-	Zinc Plating	Zinc Plating	Zinc Plating	-	Zinc Plating	Zinc Plating
Thread Type	Metric Coarse	Metric Coarse	Metric Coarse	Whit Coarse	Metric Coarse	-	Metric Coarse	Metric Coarse	Metric Coarse	Metric Coarse	Metric Coarse	Whit Coarse	Metric Coarse	Metric Coarse
Applications, Functions	Loosening Prevention	Loosening Prevention	Loosening Prevention	Loosening Prevention	Loosening Prevention	-	Loosening Prevention	Loosening Prevention	Loosening Prevention	Loosening Prevention	Loosening Prevention	Loosening Prevention	Loosening Prevention	Loosening Prevention
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.	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.	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.) / Box, Pkg.	Low Quantity (Available beginning with 1 pc.)
Screw Nominal (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 2	Class 1	-	Class 1	Class 1 ～ Class 2	-
Locking Details	Friction Nut	U Nut	Hard Lock Nuts	Hard Lock Nuts	Other Special Shapes	-	Spring Nut	Hard Lock Nuts	Friction Nut	Friction Nut	Friction Nut	U Nut	Friction Nut	Hard Lock Nuts

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Screw Nominal (M)
1

2

2.6

3

4

5

6

8

10

M10 × 1.25

12

M 12

14

M 15

16

M 17

18

20

M 20

22

24

M25

26

27

28

30

M 30

32

33

35

M 35

36

38

39

40

M 40

42

45

M 45

48

50

M 50

52

55

M 55

56

60

M 60

64

65

70

75

80

85

90

95
Clear

Material
Brass

Brass

Stainless Steel

Steel

Titanium
Clear

Surface Treatment
- Not Provided
- Electroless Nickel Plated
- Trivalent Chromate
- Bright Chrome Plating
- Zinc Plating
- Chromate Plating
- Nickel Plating
- Chrome Plating
- Parker
- Polishing
- Painting, Coating
- Passivated
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Thread Type
- Metric Coarse
- Metric Coarse (Left)
- Meter (Fine)
- Unify Coarse Thread UNC
- Unify Fine Thread UNF
- Whit Coarse
Clear

Applications, Functions
- Regular
- Loosening Prevention
- For Welding
- Fall-off Prevention
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Sales Unit
- Low Quantity (Available beginning with 1 pc.)
- Box, Pkg.
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Screw Nominal (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
- Zinc Plating
- Hot Zinc Plating
- Chromate Plating
- Nickel Plating
- Chrome Plating
- Parker
- Barrel Passivated
- Special Chemical Grinding
- Stainless Steel Coating
- Black Painted
- Seizure-Against Coating
- Other Special Treatment
Clear

Hex Nut Type
Class 1

Class 2

Class 3
Clear

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

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- HARDLOCK INDUSTRY (3)
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- KFC_ (2)
- REYHER (1)
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- KHI (1)
- KISHU FASTENER (1)
- KST (1)
- SUNCO (1)
- SOHWA SEISAKUSHO (1)
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- YAHATA NEJI (0)
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- SAIMA CORPORATION (0)
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