FUJI SEIMITSU Lock Nuts（Locking Details：U Nut）

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

  FUJI SEIMITSU

  Definitive edition of Locking Nuts

  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
  3 ～ 60	Stainless Steel ～ Steel	Lock	Metric, Coarse	Not Provided / Electroless Nickel Plating / Trivalent Chromate / Bright Chrome Plating / Zinc Plating / Chromate Plating	Low Quantity (Available beginning with 1 pc.) / Box, Pkg.	U Nut	-	Not Provided / Electroless Nickel Plating / Trivalent Chromate / Bright Chrome Plating / Hot Zinc Plating / Chromate Plating	Class 1 ～ Class 2

  From: 5,400 VND
  Special Price
  Days to Ship: Số ngày giao hàng: Same day or more

  Same day or more

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

  FUJI SEIMITSU

  Definitive edition of Locking Nuts

  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
  10 ～ 56	Steel	Lock	Metric, Fine	-	Low Quantity (Available beginning with 1 pc.) / Box, Pkg.	U Nut	-	Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating	Class 2

  From: 43,126 VND
  Days to Ship: Số ngày giao hàng: 6 Day(s) or more

  6 Day(s) or more

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  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.

  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
  4 ～ 30	Stainless Steel	Lock	Metric, Coarse	-	Low Quantity (Available beginning with 1 pc.)	U Nut	-	Not Provided	Class 1

  From: 62,803 VND
  Days to Ship: Số ngày giao hàng: 6 Day(s) or more

  6 Day(s) or more

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  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

  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
  4 ～ 20	Stainless Steel ～ Steel	Lock	Metric, Coarse	-	Low Quantity (Available beginning with 1 pc.) / Box, Pkg.	U Nut	-	Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating	Class 3

  From: 8,100 VND
  Days to Ship: Số ngày giao hàng: Same day or more

  Same day or more

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

  FUJI SEIMITSU

  Definitive edition of Locking Nuts

  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
  -	Stainless Steel ～ Steel	Lock	Unified, Fine (UNF)	-	Low Quantity (Available beginning with 1 pc.) / Box, Pkg.	U Nut	1/2 ～ No. 10	Not Provided / Bright Chrome Plating / Chromate Plating	-

  From: 37,105 VND
  Days to Ship: Số ngày giao hàng: 6 Day(s) or more

  6 Day(s) or more

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

  FUJI SEIMITSU

  Definitive edition of Locking Nuts

  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
  8	Steel	Lock	Metric, Fine	-	Low Quantity (Available beginning with 1 pc.) / Box, Pkg.	U Nut	-	Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating	-

  From: 17,051 VND
  Days to Ship: Số ngày giao hàng: 6 Day(s) or more

  6 Day(s) or more

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

  FUJI SEIMITSU

  Definitive edition of Locking Nuts

  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
  10 ～ 20	Steel	Lock	Metric, Fine	-	Low Quantity (Available beginning with 1 pc.) / Box, Pkg.	U Nut	-	Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating	-

  From: 18,878 VND
  Days to Ship: Số ngày giao hàng: 6 Day(s) or more

  6 Day(s) or more

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  Fine Welded U-Nut

  FUJI SEIMITSU

  Definitive edition of Locking Nuts

  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
  12	Steel	For Welding	Metric, Fine	-	Low Quantity (Available beginning with 1 pc.)	U Nut	-	Not Provided	-

  From: 29,353 VND
  Days to Ship: Số ngày giao hàng: 6 Day(s) or more

  6 Day(s) or more

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

  FUJI SEIMITSU

  Definitive edition of Locking Nuts

  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
  8 ～ 27	Stainless Steel ～ Steel	Lock	Metric, Fine	-	Low Quantity (Available beginning with 1 pc.) / Box, Pkg.	U Nut	-	Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating	Class 1 ～ Class 2

  From: 17,703 VND
  Days to Ship: Số ngày giao hàng: 6 Day(s) or more

  6 Day(s) or more

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

  FUJI SEIMITSU

  Definitive edition of Locking Nuts

  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
  -	Stainless Steel ～ Steel	Lock	Whit, Coarse	Not Provided	Low Quantity (Available beginning with 1 pc.) / Box, Pkg.	U Nut	1 ～ 7/8	Not Provided / Bright Chrome Plating / Hot Zinc Plating / Chromate Plating	Class 1 ～ Class 2

  From: 14,918 VND
  Days to Ship: Số ngày giao hàng: 6 Day(s) or more

  6 Day(s) or more

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

  FUJI SEIMITSU

  Definitive edition of Locking Nuts

  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
  -	Stainless Steel ～ Steel	Lock	Unified, Coarse (UNC)	-	Low Quantity (Available beginning with 1 pc.) / Box, Pkg.	U Nut	1 ～ No. 10	Not Provided / Bright Chrome Plating / Chromate Plating	-

  From: 46,713 VND
  Days to Ship: Số ngày giao hàng: 6 Day(s) or more

  6 Day(s) or more

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  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.

  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
  6 ～ 20	Stainless Steel ～ Steel	Lock	Metric, Coarse (Left)	-	Low Quantity (Available beginning with 1 pc.) / Box, Pkg.	U Nut	-	Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating	-

  From: 14,666 VND
  Days to Ship: Số ngày giao hàng: 6 Day(s) or more

  6 Day(s) or more

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  Specialized U-Nut Pitch of 1.5

  FUJI SEIMITSU

  Definitive edition of Locking Nuts

  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
  12 ～ 27	Stainless Steel ～ Steel	Lock	Metric, Fine	-	Low Quantity (Available beginning with 1 pc.)	U Nut	-	Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating	-

  From: 24,818 VND
  Days to Ship: Số ngày giao hàng: 6 Day(s) or more

  6 Day(s) or more

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  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

  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
  12	Steel	Lock	Metric, Fine	-	Low Quantity (Available beginning with 1 pc.)	U Nut	-	Chromate Plating	-

  From: 33,805 VND
  Days to Ship: Số ngày giao hàng: 6 Day(s) or more

  6 Day(s) or more

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

  FUJI SEIMITSU

  Definitive edition of Locking Nuts

  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
  8 ～ 18	Steel	Lock	Metric, Fine	-	Low Quantity (Available beginning with 1 pc.) / Box, Pkg.	U Nut	-	Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating	-

  From: 26,706 VND
  Days to Ship: Số ngày giao hàng: 6 Day(s) or more

  6 Day(s) or more

BrandNhãn hiệu
Product SeriesDòng sản phẩm
From
Days to ShipSố ngày giao hàng
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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BrandNhãn hiệu	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 SeriesDòng sản phẩm	U Nut Class 1 and 2 (Steel/SUS304)【1-2,500 Pieces Per Package】	U Nut Type 2 (Fine Details)【1-120 Pieces Per Package】	Type 1 U-Nut (SUS316L)	U Nut Type 3【1-4,000 Pieces Per Package】	U Nut, Unified (UNF)【1-4,000 Pieces Per Package】	Small U-Nut【1-1,400 Pieces Per Package】	U-Nut, Small, Fine Type【1-800 Pieces Per Package】	Fine Welded U-Nut	U Nut Type 1 (Fine Details)【1-65 Pieces Per Package】	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	U Nut Thin Special Pitch P=1.5	Thin, Fine U-Nut【1-800 Pieces Per Package】
From	5,400 VND Special Price On Sale Till 31/03/2025	43,126 VND-	62,803 VND-	8,100 VND-	37,105 VND-	17,051 VND-	18,878 VND-	29,353 VND	17,703 VND-	14,918 VND-	46,713 VND-	14,666 VND-	24,818 VND-	33,805 VND	26,706 VND-
Days to ShipSố ngày giao hàng	Same day or more	6 Day(s) or more	6 Day(s) or more	Same day or more	6 Day(s) or more	6 Day(s) or more	6 Day(s) or more	6 Day(s) or more	6 Day(s) or more	6 Day(s) or more	6 Day(s) or more	6 Day(s) or more	6 Day(s) or more	6 Day(s) or more	6 Day(s) or more
Nominal of Thread (M)	3 ～ 60	10 ～ 56	4 ～ 30	4 ～ 20	-	8	10 ～ 20	12	8 ～ 27	-	-	6 ～ 20	12 ～ 27	12	8 ～ 18
Material	Stainless Steel ～ Steel	Steel	Stainless Steel	Stainless Steel ～ Steel	Stainless Steel ～ Steel	Steel	Steel	Steel	Stainless Steel ～ Steel	Stainless Steel ～ Steel	Stainless Steel ～ Steel	Stainless Steel ～ Steel	Stainless Steel ～ Steel	Steel	Steel
Applications, Functions	Lock	Lock	Lock	Lock	Lock	Lock	Lock	For Welding	Lock	Lock	Lock	Lock	Lock	Lock	Lock
Thread Type	Metric, Coarse	Metric, Fine	Metric, Coarse	Metric, Coarse	Unified, Fine (UNF)	Metric, Fine	Metric, Fine	Metric, Fine	Metric, Fine	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.)	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.) / 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.
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
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	Not Provided / Trivalent Chromate / Bright Chrome 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	Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating	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	Chromate Plating	Not Provided / Trivalent Chromate / Bright Chrome Plating / Chromate Plating
Hex Nut Type	Class 1 ～ Class 2	Class 2	Class 1	Class 3	-	-	-	-	Class 1 ～ Class 2	Class 1 ～ Class 2	-	-	-	-	-

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