FUJI SEIMITSU Lock Nuts（Applications, Functions：Loosening Prevention）

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?* Information on days to ship and prices

Promotional pricing

U Nut Class 1 and 2 (Steel / SUS304)

U Nut Class 1 and 2 (Steel / SUS304)【1-2,500 Pieces Per Package】

FUJI SEIMITSU

Definitive edition of Locking Nuts

Volume Discount

Starting from^∗ ：	0.29 €
	Special price
Min. Shipping Days ：	Same day

*Unit price with basic configuration

Promotional pricing

U Nut Type 3

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

Volume Discount

Starting from^∗ ：	0.26 €
	Special price
Min. Shipping Days ：	Same day

*Unit price with basic configuration

Nut, Whitworth

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

FUJI SEIMITSU

Definitive edition of Locking Nuts

Volume Discount

Starting from^∗ ：	0.51 €
Min. Shipping Days ：	6 Days

*Unit price with basic configuration

Small U-Nut

Small U-Nut【1-1,400 Pieces Per Package】

FUJI SEIMITSU

Definitive edition of Locking Nuts

Volume Discount

Starting from^∗ ：	0.62 €
Min. Shipping Days ：	6 Days

*Unit price with basic configuration

U-Nut, Small, Fine Type

U-Nut, Small, Fine Type【1-800 Pieces Per Package】

FUJI SEIMITSU

Definitive edition of Locking Nuts

Volume Discount

Starting from^∗ ：	0.73 €
Min. Shipping Days ：	6 Days

*Unit price with basic configuration

Type 1 U-Nut (SUS316L)

FUJI SEIMITSU

The definite locking nuts

Volume Discount

Starting from^∗ ：	2.94 €
Min. Shipping Days ：	6 Days

*Unit price with basic configuration

Promotional pricing

U Nut Type 2 (Fine Details)

FUJI SEIMITSU

Definitive edition of Locking Nuts

Volume Discount

Starting from^∗ ：	2.88 €
	Special price
Min. Shipping Days ：	Same day

*Unit price with basic configuration

Promotional pricing

Left-Handed U-Nut

Left-Handed U-Nut【1-3,000 Pieces Per Package】

FUJI SEIMITSU

The definite locking nuts

Volume Discount

Starting from^∗ ：	0.45 €
	Special price
Min. Shipping Days ：	Same day

*Unit price with basic configuration

U-Nut Unified (UNC)

U-Nut Unified (UNC)【1-4,000 Pieces Per Package】

FUJI SEIMITSU

Definitive edition of Locking Nuts

Volume Discount

Starting from^∗ ：	3.27 €
Min. Shipping Days ：	6 Days

*Unit price with basic configuration

U Nut, Unified (UNF)

U Nut, Unified (UNF)【1-4,000 Pieces Per Package】

FUJI SEIMITSU

Definitive edition of Locking Nuts

Volume Discount

Starting from^∗ ：	0.96 €
Min. Shipping Days ：	6 Days

*Unit price with basic configuration

Promotional pricing

Specialized U-Nut Pitch of 1.5

FUJI SEIMITSU

Definitive edition of Locking Nuts

Volume Discount

Starting from^∗ ：	1.00 €
	Special price
Min. Shipping Days ：	Same day

*Unit price with basic configuration

U Nut Thin Special Pitch P=1.5

FUJI SEIMITSU

[Nominal Thread (M)] 12
[Materials] Steel Thread
[Type]Metric fine, Application/Function, Locking
[Sales unit] Minimum Quantity (Available for Purchase from 1 pc), Locking for Detail, U-nut
[Pitch (mm)] 1.5
[Surface treatment](Details) Bright Chromate Plating

Volume Discount

Starting from^∗ ：	1.49 €
Min. Shipping Days ：	6 Days

*Unit price with basic configuration

Thin, Fine U-Nut

Thin, Fine U-Nut【1-800 Pieces Per Package】

FUJI SEIMITSU

Definitive edition of Locking Nuts

Volume Discount

Starting from^∗ ：	1.00 €
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

	Promotional pricing	Promotional pricing					Promotional pricing	Promotional pricing			Promotional pricing
Brand	FUJI SEIMITSU	FUJI SEIMITSU	FUJI SEIMITSU	FUJI SEIMITSU	FUJI SEIMITSU	FUJI SEIMITSU	FUJI SEIMITSU	FUJI SEIMITSU	FUJI SEIMITSU	FUJI SEIMITSU	FUJI SEIMITSU	FUJI SEIMITSU	FUJI SEIMITSU
Product Series	U Nut Class 1 and 2 (Steel / SUS304)【1-2,500 Pieces Per Package】	U Nut Type 3【1-4,000 Pieces Per Package】	Nut, Whitworth【1-1,000 Pieces Per Package】	Small U-Nut【1-1,400 Pieces Per Package】	U-Nut, Small, Fine Type【1-800 Pieces Per Package】	Type 1 U-Nut (SUS316L)	U Nut Type 2 (Fine Details)	Left-Handed U-Nut【1-3,000 Pieces Per Package】	U-Nut Unified (UNC)【1-4,000 Pieces Per Package】	U Nut, Unified (UNF)【1-4,000 Pieces Per Package】	Specialized U-Nut Pitch of 1.5	U Nut Thin Special Pitch P=1.5	Thin, Fine U-Nut【1-800 Pieces Per Package】
Starting from^∗	0.29 € Special price *Unit price with basic configuration Promotional pricing Volume Discount	0.26 € Special price *Unit price with basic configuration Promotional pricing Volume Discount	0.51 € *Unit price with basic configuration Volume Discount	0.62 € *Unit price with basic configuration Volume Discount	0.73 € *Unit price with basic configuration Volume Discount	2.94 € *Unit price with basic configuration Volume Discount	2.88 € Special price *Unit price with basic configuration Promotional pricing Volume Discount	0.45 € Special price *Unit price with basic configuration Promotional pricing Volume Discount	3.27 € *Unit price with basic configuration Volume Discount	0.96 € *Unit price with basic configuration Volume Discount	1.00 € Special price *Unit price with basic configuration Promotional pricing Volume Discount	1.49 € *Unit price with basic configuration Volume Discount	1.00 € *Unit price with basic configuration Volume Discount
Min. Shipping Days ：	Same day	Same day	6 Days	6 Days	6 Days	6 Days	Same day	Same day	6 Days	6 Days	Same day	6 Days	6 Days
Screw Nominal (M)	3 ～ 64	4 ～ 20	-	8	10 ～ 20	4 ～ 30	10 ～ 39	6 ～ 20	-	-	12 ～ 27	12	8 ～ 18
Material	Stainless Steel ～ Steel	Stainless Steel ～ Steel	Stainless Steel ～ Steel	Steel	Steel	Stainless Steel	Steel	Stainless Steel ～ Steel	Stainless Steel ～ Steel	Stainless Steel ～ Steel	Stainless Steel ～ Steel	Steel	Steel
Surface Treatment	Not Provided / Electroless Nickel Plated / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate Plating	-	Not Provided	-	-	-	-	-	-	-	-	-	-
Thread Type	Metric Coarse	Metric Coarse	Whit Coarse	Meter (Fine)	Meter (Fine)	Metric Coarse	Meter (Fine)	Metric Coarse (Left)	Unify Coarse Thread UNC	Unify Fine Thread UNF	Meter (Fine)	Meter (Fine)	Meter (Fine)
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.) / 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.	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.	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.
Screw Nominal (inch)	-	-	1 ～ 7/8	-	-	-	-	-	1 ～ No. 10	1/2 ～ No. 10	-	-	-
Surface Treatment (Details)	Not Provided / Electroless Nickel Plating / Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate Plating	Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating	Not Provided / Bright Chrome Plating / Hot Zinc Plating / Chromate Plating	Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating	Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating	Not Provided	Not Provided	Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating	Not Provided / Bright Chrome Plating / Chromate Plating	Not Provided / Bright Chrome Plating / Chromate Plating	Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating	Chromate Plating	Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating
Hex Nut Type	Class 1 ～ Class 2	Class 3	Class 1 ～ Class 2	-	-	Class 1	Class 2	-	-	-	-	-	-
Locking Details	U Nut	U Nut	U Nut	U Nut	U Nut	U Nut	U Nut	U Nut	U Nut	U Nut	U Nut	U Nut	U Nut

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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
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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
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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
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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
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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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FUJI SEIMITSU Lock Nuts（Applications, Functions：Loosening Prevention）

U Nut Class 1 and 2 (Steel / SUS304)【1-2,500 Pieces Per Package】

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

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

Small U-Nut【1-1,400 Pieces Per Package】

U-Nut, Small, Fine Type【1-800 Pieces Per Package】

Type 1 U-Nut (SUS316L)

U Nut Type 2 (Fine Details)

Left-Handed U-Nut【1-3,000 Pieces Per Package】

U-Nut Unified (UNC)【1-4,000 Pieces Per Package】

U Nut, Unified (UNF)【1-4,000 Pieces Per Package】

Specialized U-Nut Pitch of 1.5

U Nut Thin Special Pitch P=1.5

Thin, Fine U-Nut【1-800 Pieces Per Package】

Filter by:

Stock

Narrow search by specifying spec./dim.

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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