Lock Nuts（Sales Unit：Low Quantity (Available beginning with 1 pc.) Page 2）

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Ida Ring, Whitworth

SUNCO

A locking nut used with standard nuts. Does not come loose when subject to vibrational impact. Easy to remove and can be reused with no change in effectiveness.

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Starting from^∗ ：	1.81 €
Min. Shipping Days ：	6 Days

*Unit price with basic configuration

Fine, Small E-Lock Nut

SUNCO

[Material] Steel "Surface treatment" trivalent chromated "Thread type" metric fine

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Starting from^∗ ：	0.54 €
Min. Shipping Days ：	6 Days

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U Nut Type 2 (Fine Details)

FUJI SEIMITSU

Definitive edition of Locking Nuts

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

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U-Nut Unified (UNC)

FUJI SEIMITSU

Definitive edition of Locking Nuts

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

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U-Nut, Small, Fine Type

FUJI SEIMITSU

Definitive edition of Locking Nuts

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

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Thin, Fine U-Nut

FUJI SEIMITSU

Definitive edition of Locking Nuts

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Starting from^∗ ：	1.00 €
Min. Shipping Days ：	6 Days

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Fine Welded U-Nut

FUJI SEIMITSU

Definitive edition of Locking Nuts

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Starting from^∗ ：	1.35 €
Min. Shipping Days ：	6 Days

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U Nut (Fine)

SUNCO

[Material] Steel
[Surface Processing] Trivalent White / Trivalent Black
[Nominal of Thread (M)] 12/20/22/24/30/36/39/42
[Application/Function] Loosening prevention
[Thread Ridge Type] Metric Fine
[Loosening Prevention Details] U Nut

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Starting from^∗ ：	5.46 €
Min. Shipping Days ：	6 Days

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U Nut (Fine P=1.5)

SUNCO

[Material] Steel
[Surface Processing] None / Bright Chromate Plating / Trivalent White / Trivalent Black
[Nominal of Thread (M)] 12/30
[Application/Function] Loosening prevention
[Thread Ridge Type] Metric Fine
[Loosening Prevention Details] U Nut

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Starting from^∗ ：	1.35 €
Min. Shipping Days ：	6 Days

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U Nut, Thin

SUNCO

[Material] Steel
[Surface Processing] Chromate Plating / Trivalent White / Trivalent Black
[Nominal of Thread (M)] 4/10/12/14/16/20/24
[Application/Function] Loosening prevention
[Thread Ridge Type] Metric Coarse
[Loosening Prevention Details] U Nut

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Starting from^∗ ：	1.01 €
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Min. Shipping Days ：	Same day

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Iron U-Nut Thin Type (Smooth Cut)

SUNCO

[Material] Steel
[Surface Processing] None / Bright Chromate Plating / Trivalent White / Trivalent Black
[Nominal of Thread (M)] 8/12/14/16/20/24
[Application/Function] Loosening prevention
[Thread Ridge Type] Metric Fine
[Loosening Prevention Details] U Nut

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

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Hard Lock Nut

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

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Starting from^∗ ：	4.15 €
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

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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

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Starting from^∗ ：	2.61 €
	Special price
Min. Shipping Days ：	Same day

*Unit price with basic configuration


Brand
Product Series
CAD
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

	Select to compare	Select to compare	Select to compare Promotional pricing	Select to compare	Select to compare	Select to compare	Select to compare	Select to compare	Select to compare	Select to compare Promotional pricing	Select to compare	Select to compare	Select to compare	Select to compare Promotional pricing
Brand	SUNCO	SUNCO	FUJI SEIMITSU	FUJI SEIMITSU	FUJI SEIMITSU	FUJI SEIMITSU	FUJI SEIMITSU	SUNCO	SUNCO	SUNCO	SUNCO	SUNCO	SUNCO	SUNCO
Product Series	Ida Ring, Whitworth	Fine, Small E-Lock Nut	U Nut Type 2 (Fine Details)	U-Nut Unified (UNC)	U-Nut, Small, Fine Type	Thin, Fine U-Nut	Fine Welded U-Nut	U Nut (Fine)	U Nut (Fine P=1.5)	U Nut, Thin	Iron U-Nut Thin Type (Smooth Cut)	Hard Lock Nut	Hard Locking Bearing Nuts (Thin)	HARDLOCK Nut (Fine Thread)
CAD	2D / 3D
Starting from^∗	1.81 € *Unit price with basic configuration Volume Discount	0.54 € *Unit price with basic configuration Volume Discount	2.88 € Special price *Unit price with basic configuration Promotional pricing Volume Discount	3.27 € *Unit price with basic configuration Volume Discount	0.73 € *Unit price with basic configuration Volume Discount	1.00 € *Unit price with basic configuration Volume Discount	1.35 € *Unit price with basic configuration Volume Discount	5.46 € *Unit price with basic configuration Volume Discount	1.35 € *Unit price with basic configuration Volume Discount	1.01 € Special price *Unit price with basic configuration Promotional pricing Volume Discount	0.62 € *Unit price with basic configuration Volume Discount	4.15 € *Unit price with basic configuration Volume Discount	4.61 € *Unit price with basic configuration Volume Discount	2.61 € Special price *Unit price with basic configuration Promotional pricing Volume Discount
Min. Shipping Days	6 Days	6 Days	Same day	6 Days	6 Days	6 Days	6 Days	6 Days	6 Days	Same day	6 Days	6 Days	6 Days	Same day
Screw Nominal (M)	-	10	10 ～ 39	-	10 ～ 14	8 ～ 18	12	20	12	10 ～ 24	8 ～ 24	14	16 ～ 22	10 ～ 30
Material	Stainless Steel ～ Steel	Steel	Steel	Stainless Steel ～ Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	-	Steel	Stainless Steel
Surface Treatment	Not Provided / Chromate Plating	Trivalent Chromate	-	-	-	-	-	Trivalent Chromate	Trivalent Chromate	Trivalent Chromate / Chromate Plating	Not Provided / Trivalent Chromate / Bright Chrome Plating	Parker	Trivalent Chromate / Zinc Plating	Not Provided / Trivalent Chromate / Parker
Thread Type	Whit Coarse	Meter (Fine)	Meter (Fine)	Unify Coarse Thread UNC	Meter (Fine)	Meter (Fine)	Meter (Fine)	Meter (Fine)	Meter (Fine)	Metric Coarse	Meter (Fine)	Metric Coarse	Metric Coarse	Meter (Fine)
Applications, Functions	Regular	Loosening Prevention	Loosening Prevention	Loosening Prevention	Loosening Prevention	Loosening Prevention	For Welding	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.)	Low Quantity (Available beginning with 1 pc.)	Low Quantity (Available beginning with 1 pc.)	Low Quantity (Available beginning with 1 pc.)	Low Quantity (Available beginning with 1 pc.)	Low Quantity (Available beginning with 1 pc.)	Low Quantity (Available beginning with 1 pc.)	Low Quantity (Available beginning with 1 pc.)	Low Quantity (Available beginning with 1 pc.)	Low Quantity (Available beginning with 1 pc.)	Low Quantity (Available beginning with 1 pc.)	Low Quantity (Available beginning with 1 pc.)	Low Quantity (Available beginning with 1 pc.)
Screw Nominal (inch)	1/2 ～ 5/8	-	-	1/2 ～ 3/8	-	-	-	-	-	-	-	-	-	-
Surface Treatment (Details)	Not Provided / Chromate Plating	Trivalent Chromate	Not Provided	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	Trivalent Chromate	Trivalent Chromate / Chromate Plating	Not Provided / Trivalent Chromate / Bright Chrome Plating	Other Special Treatment	Trivalent Chromate / Hot Zinc Plating	Other Special Treatment / Not Provided / Trivalent Chromate
Hex Nut Type	-	-	Class 2	-	-	-	-	Class 2	Class 2	-	-	-	-	-
Locking Details	-	Friction Nut	U Nut	U Nut	U Nut	U Nut	U Nut	U Nut	U Nut	U Nut	U Nut	Hard Lock Nuts	Hard Lock Nuts	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
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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
Clear

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