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FUJI SEIMITSU Lock Nuts（Applications, Functions：Lock）

16 items

: 30; 45; 60

Days to Ship	All Same day 4 Day(s) or Less 5 Day(s) or Less 6 Day(s) or Less 7 Day(s) or Less 8 Day(s) or Less 9 Day(s) or Less 11 Day(s) or Less 12 Day(s) or Less 13 Day(s) or Less

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

Standard Price:	SGD 0.51-
Days to Ship:	Same day or more

Thin, Fine U-Nut

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

FUJI SEIMITSU

Definitive edition of Locking Nuts

Standard Price:	SGD 1.31-
Days to Ship:	4 Day(s) or more

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

Standard Price:	SGD 0.51-
Days to Ship:	4 Day(s) or more

U Nut Type 1 (Fine Details)

U Nut Type 1 (Fine Details)【1-65 Pieces Per Package】

FUJI SEIMITSU

Definitive edition of Locking Nuts

Standard Price:	SGD 0.85-
Days to Ship:	4 Day(s) or more

U-Nut, Small, Fine Type

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

FUJI SEIMITSU

Definitive edition of Locking Nuts

Standard Price:	SGD 0.93-
Days to Ship:	4 Day(s) or more

U Nut Type 2

U Nut Type 2【1-600 Pieces Per Package】

FUJI SEIMITSU

[Materials] SCM435 Threaded
[Type]Metric coarse, Application/Function: Loosening prevention, Detailed loosening prevention, U nuts
[Nominal Thread (M)] 6 8 10 12 14 16 18 20 22 24 27 30 33 36
[Sales unit] Individual (Available for Purchase as 1pc) Box and Packaging.
[Surface treatment](Detailed) trivalent white, uni-chromate plating, chrome plating - Hex nut standard: Type 2
[Pitch (mm)] 1 1.25 1.5 1.75 2 2.5 3 3.5 4

Standard Price:	SGD 45.33-
Days to Ship:	4 Day(s) or more

On Sale Till 31/03/2025

U Nut Type 2 (Fine Details)

U Nut Type 2 (Fine Details)【1-120 Pieces Per Package】

FUJI SEIMITSU

Definitive edition of Locking Nuts

Standard Price:	SGD 2.53-
	Special Price
Days to Ship:	Same day or more

U Nut, Unified (UNF)

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

FUJI SEIMITSU

Definitive edition of Locking Nuts

Standard Price:	SGD 1.81-
Days to Ship:	4 Day(s) or more

GU Nut

FUJI SEIMITSU

The 270° friction ring (special spring) shape allows for even better loosening prevention. Standard for the next generation loosening prevention.

Standard Price:	SGD 1.08-
Days to Ship:	4 Day(s) or more

Type 1 U-Nut (SUS316L)

FUJI SEIMITSU

Prevailing torque type lock nut with "metal ring anti-loosening function".
[Features]
·A locking nut that can be reused and exhibits a stable locking function.
·Prevents early disengagement even when the axial force is reduced. An all-metal product with excellent heat and cold resistance.
·Tightening is easy, and neither skilled techniques nor special tools are required.
·Since it exerts a self-locking effect by itself, parts management becomes easier and installation errors are prevented.
[Applications]
·It is used in a wide range of industries, from steel structures such as railways and bridges to automobiles, motorcycles, and industrial machinery.
·In addition to its anti-loosening performance, it continues to evolve in terms of durability and vibration resistance, and works reliably in any operating environment.

Standard Price:	SGD 3.97-
Days to Ship:	4 Day(s) or more

Nut, Whitworth

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

FUJI SEIMITSU

Definitive edition of Locking Nuts

Standard Price:	SGD 0.70-
Days to Ship:	4 Day(s) or more

U-Nut Unified (UNC)

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

FUJI SEIMITSU

Definitive edition of Locking Nuts

Standard Price:	SGD 2.95-
Days to Ship:	4 Day(s) or more

Left-Handed U-Nut

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

FUJI SEIMITSU

The definitive locking nut that incorporates a "metal ring locking function". (Left-Handed Screw)
[Features]
·In addition to its anti-loosening performance, it continues to evolve in terms of durability and vibration resistance, and works reliably in any operating environment.
[Applications]
·It is used in a wide range of industries, from steel structures such as railways and bridges to automobiles, motorcycles, and industrial machinery.

Standard Price:	SGD 0.71-
Days to Ship:	4 Day(s) or more

Specialized U-Nut Pitch of 1.5

FUJI SEIMITSU

Definitive edition of Locking Nuts

Standard Price:	SGD 1.34-
Days to Ship:	4 Day(s) or more

Small U-Nut

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

FUJI SEIMITSU

Definitive edition of Locking Nuts

Standard Price:	SGD 0.84-
Days to Ship:	4 Day(s) or more

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

Standard Price:	SGD 2.01
Days to Ship:	4 Day(s) or more


Brand
Product Series
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

							On Sale Till 31/03/2025
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	FUJI SEIMITSU	FUJI SEIMITSU	FUJI SEIMITSU
Product Series	U Nut Class 1 and 2 (Steel/SUS304)【1-2,500 Pieces Per Package】	Thin, Fine U-Nut【1-800 Pieces Per Package】	U Nut Type 3【1-4,000 Pieces Per Package】	U Nut Type 1 (Fine Details)【1-65 Pieces Per Package】	U-Nut, Small, Fine Type【1-800 Pieces Per Package】	U Nut Type 2【1-600 Pieces Per Package】	U Nut Type 2 (Fine Details)【1-120 Pieces Per Package】	U Nut, Unified (UNF)【1-4,000 Pieces Per Package】	GU Nut	Type 1 U-Nut (SUS316L)	Nut, Whitworth【1-1,000 Pieces Per Package】	U-Nut Unified (UNC)【1-4,000 Pieces Per Package】	Left-Handed U-Nut【1-3,000 Pieces Per Package】	Specialized U-Nut Pitch of 1.5	Small U-Nut【1-1,400 Pieces Per Package】	U Nut Thin Special Pitch P=1.5
Days to Ship	Same day or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	Same day or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more
Nominal of Thread (M)	3 ～ 60	8 ～ 18	4 ～ 20	8 ～ 27	10 ～ 20	10 ～ 36	10 ～ 56	-	8 ～ 16	4 ～ 30	-	-	6 ～ 20	12 ～ 27	8	12
Material	Stainless Steel ～ Steel	Steel	Stainless Steel ～ Steel	Stainless Steel ～ Steel	Steel	Steel	Steel	Stainless Steel ～ Steel	Steel	Stainless Steel	Stainless Steel ～ Steel	Stainless Steel ～ Steel	Stainless Steel ～ Steel	Stainless Steel ～ Steel	Steel	Steel
Applications, Functions	Lock	Lock	Lock	Lock	Lock	Lock	Lock	Lock	Lock	Lock	Lock	Lock	Lock	Lock	Lock	Lock
Thread Type	Metric, Coarse	Metric, Fine	Metric, Coarse	Metric, Fine	Metric, Fine	Metric, Coarse	Metric, Fine	Unified, Fine (UNF)	Metric, Coarse	Metric, Coarse	Whit, Coarse	Unified, Coarse (UNC)	Metric, Coarse (Left)	Metric, Fine	Metric, Fine	Metric, Fine
Surface Treatment	Not Provided / Electroless Nickel Plating / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate Plating	-	-	-	-	-	-	-	-	-	Not Provided	-	-	-	-	-
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.) / 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.) / Box, Pkg.	Low Quantity (Available beginning with 1 pc.)
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	U Nut	U Nut	U Nut
Nominal of Thread (inch)	-	-	-	-	-	-	-	1/2 ～ No. 10	-	-	1 ～ 7/8	1 ～ 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 / Trivalent Chromate / Bright Chrome Plating / Chromate Plating	Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating	Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating	Bright Chrome Plating / Chromate Plating	Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating	Not Provided / Bright Chrome Plating / Chromate Plating	Trivalent Chromate	Not Provided	Not Provided / Bright Chrome Plating / Hot Zinc Plating / Chromate Plating	Not Provided / Bright Chrome Plating / Chromate Plating	Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating	Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating	Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating	Bright Chrome Plating / Chromate Plating
Hex Nut Type	Class 1 ～ Class 2	-	Class 3	Class 1 ～ Class 2	-	Class 2	Class 2	-	-	Class 1	Class 1 ～ Class 2	-	-	-	-	-

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 1/4

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
- Black Paint
- Seizure-Against Coating
- Other Special Treatment
Clear

Hex Nut Type
Class 1

Class 2

Class 3
Clear

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FUJI SEIMITSU Lock Nuts（Applications, Functions：Lock）

Configure

Specification/Dimensions

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

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