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Nord-Lock Washer【1-200 Pieces Per Package】

Nord-Lock Washer

SUNCO

SUNCO

[Nominal] 3/3.5/4/5/6/8/10/11/12/14/16/18/20/22/24/27/30/33/36/39/42/45/48/52/56/60/64/68/72/76/80/85/90/95/100/105/110/115/120/125/130
[Material] Steel/Stainless Steel
[Surface Processing] Chromate Plating / Trivalent White / Baked Paint Finish / None

(i)Caution

  • This is a representative image. See the product standards for details.

Part Number

Configured Part Number is shown.

Friction-Independent Thread-Locker Product

Wedge locking mechanism

Wedge locking mechanism

  • It is based on wedge locking technology that uses a wedge-shaped cam, and can physically prevent the bolted joint from loosening in rotation even under severe vibration and fluctuating loads.
  • Instead of using friction, the axial force of the bolted body itself prevents loosening. This system comprises a pair of washers with a cam surface on one side and a radial rib surface on the other side.
  • The cam angle (α) is designed to be larger than the screw lead angle (β), and the cam surfaces create a wedge effect each other, which prevents the bolt from loosening due to rotation. Therefore, the Nord-Lock washer can be used for fine and extra-fine items that are finer than coarse screws. On the other hand, self-tapping screws and wood screws with a larger pitch than coarse screws do not provide a sufficient thread-locker effect.
  • Although it can be reused, the maximum number of reuses depends on the amount of wear on the cam surface that occurs when the cam surface is released, so it varies depending on the axial force being fastened. In addition, if the pitch becomes finer in the fine, extra fine, etc., the amount of wear at the time of release increases, and the number of reuse limits decreases.

Drawing and Dimensions of Nord-Lock Washer

Drawing

Drawing

 

(Unit: mm)

 

Modelød (inner diameter)ød (outer diameter)T (thickness)
Steel (SC material)SUS254SMO
NL33.47.01.82.22.2
NL44.47.61.82.22.2
NL55.49.01.82.22.2
NL66.510.81.82.22.2
NL88.713.52.52.02.0
NL1010.716.62.52.02.0
NL1111.418.52.52.22.2
NL1213.019.52.52.02.0
NL1415.223.03.43.03.0
NL1617.025.43.43.03.0
NL1819.529.03.43.23.2
NL2021.430.73.43.03.0
NL2223.434.53.43.23.2
NL2425.339.03.43.23.2
NL2728.442.05.86.85.8
NL3031.447.05.86.85.8
NL3334.448.55.86.85.8
NL3637.455.06.66.85.8
NL3940.458.56.66.85.8

How to Use Nord-Lock Washers and Precautions

Tapped hole

Tapped hole
Please use it by attaching it between the bolt/nut and the mating material.

Counterbore

Counterbore
Since the outer diameter of the washer may be larger than the bolt head, please check the dimensions before use.

Through hole

Through hole
Use Nord-Lock washers on both the bolt and nut sides.
If it is used on only one side, it may loosen on the side without the Nord-Lock, so please be careful.

Stud Bolt

Stud Bolt
It can be used without using adhesive.

When the pilot hole is large or a slotted hole, or the surface of the mating material is soft

When the pilot hole is large or a slotted hole, or the surface of the mating material is soft
Wide (SP) type Nord-Lock washers with a large outer diameter are recommended. More effective when used in combination with flange bolts and nuts.

Please Avoid Using It in the Following Designs

  • Combined use with other washers such as plain washers and spring washers
  • When the mating material is harder than the Nord-Lock washer due to hardening, etc.
  • When the mating material is very soft (wood, plastic, etc.)
  • When the mating material is deeply recessed or greatly fits or , such as a thick coating layer
  • When slipping between the materials to be fastened and between the bolts and nuts is premised, as in the case with bearing
  • When axial force is not generated with the use of intermediate fastening, etc.
30
45
60
  1. 1
Part Number
WSC-SUS-M33
WSC-SUS-M39
WSCA-254SMO-UNC3/8
WSCA-SUS-M24
WSCA-SUS-M27
WSCA-SUS-UNC1/4
WSCA-SUS-UNC3/4
WSCB-SUS-M4
WSCB-SUS-M11
WSCB-SUS-M20
WSCB-SUS-M22
WSCB-SUS-M30
WSCCZ-SUS-M5
WSCD-SUS-M14
WSCE-SUS-M8
WSCE-SUS-M12
WSCE-SUS-M16
Part NumberStandard Unit PriceNumber of pc(s). included in pkg.Minimum order quantityVolume DiscountDays to ShipRoHSSurface Treatment Inner Dia. d
(mm) 		Outer Dia. D
(mm) 		Nominal of Thread (M) Thickness t
(mm) 		Sales Unit Material: Stainless Steel Surface Treatment (Detailed) Nominal of Thread (inch) Diameter Standard Name (Material)

SGD 103.16

1 Piece(s) 7 Day(s) or more -[Painting, Coating] Painting / Coating34.448.5--Low Quantity (can be purchased from one)[SUS316L] EN1.4404[Copper Plating] German Brown plating-M33Stainless steel

SGD 139.77

1 Piece(s) 7 Day(s) or more -[Painting, Coating] Painting / Coating40.458.5--Low Quantity (can be purchased from one)[SUS316L] EN1.4404[Copper Plating] German Brown plating-M39Stainless steel

SGD 1,203.15

200 Pieces Per Package

1 Pack(s) 7 Day(s) or more -[Painting, Coating] Painting / Coating10.3---Box/package254SMO[Copper Plating] German Brown plating3/8-Stainless steel

SGD 36.46

1 Piece(s) 7 Day(s) or more -[Painting, Coating] Painting / Coating-39--Low Quantity (can be purchased from one)[SUS316L] EN1.4404[Copper Plating] German Brown plating-M24Stainless steel

SGD 67.03

1 Piece(s) 7 Day(s) or more -[Painting, Coating] Painting / Coating28.442--Low Quantity (can be purchased from one)[SUS316L] EN1.4404[Copper Plating] German Brown plating-M27Stainless steel

SGD 4.74

1 Piece(s) 7 Day(s) or more -[Painting, Coating] Painting / Coating7.211.5--Low Quantity (can be purchased from one)[SUS316L] EN1.4404[Copper Plating] German Brown plating1/4-Stainless steel

SGD 28.07

1 Piece(s) 7 Day(s) or more -[Painting, Coating] Painting / Coating20---Low Quantity (can be purchased from one)[SUS316L] EN1.4404[Copper Plating] German Brown plating3/4-Stainless steel

SGD 4.39

1 Piece(s) 7 Day(s) or more -[Painting, Coating] Painting / Coating----Low Quantity (can be purchased from one)[SUS316L] EN1.4404[Copper Plating] German Brown plating-M4Stainless steel

SGD 11.59

1 Piece(s) 7 Day(s) or more -[Painting, Coating] Painting / Coating-18.5--Low Quantity (can be purchased from one)[SUS316L] EN1.4404[Copper Plating] German Brown plating-M11Stainless steel

SGD 24.42

1 Piece(s) 7 Day(s) or more -[Painting, Coating] Painting / Coating21.4---Low Quantity (can be purchased from one)[SUS316L] EN1.4404[Copper Plating] German Brown plating-M20Stainless steel

SGD 36.46

1 Piece(s) 7 Day(s) or more -[Painting, Coating] Painting / Coating23.434.5--Low Quantity (can be purchased from one)[SUS316L] EN1.4404[Copper Plating] German Brown plating-M22Stainless steel

SGD 67.03

1 Piece(s) 7 Day(s) or more -[Painting, Coating] Painting / Coating31.447--Low Quantity (can be purchased from one)[SUS316L] EN1.4404[Copper Plating] German Brown plating-M30Stainless steel

SGD 4.39

1 Piece(s) 7 Day(s) or more -[Painting, Coating] Painting / Coating-9--Low Quantity (can be purchased from one)[SUS316L] EN1.4404[Copper Plating] German Brown plating-M5Stainless steel

SGD 14.91

1 Piece(s) 7 Day(s) or more -[Painting, Coating] Painting / Coating-23--Low Quantity (can be purchased from one)[SUS316L] EN1.4404[Copper Plating] German Brown plating-M14Stainless steel

SGD 5.10

1 Piece(s) 7 Day(s) or more -[Painting, Coating] Painting / Coating8.7---Low Quantity (can be purchased from one)[SUS316L] EN1.4404[Copper Plating] German Brown plating-M8Stainless steel

SGD 11.59

1 Piece(s) 7 Day(s) or more -[Painting, Coating] Painting / Coating----Low Quantity (can be purchased from one)[SUS316L] EN1.4404[Copper Plating] German Brown plating-M12Stainless steel

SGD 14.91

1 Piece(s) 7 Day(s) or more -[Painting, Coating] Painting / Coating----Low Quantity (can be purchased from one)[SUS316L] EN1.4404[Copper Plating] German Brown plating-M16Stainless steel

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  1. 1

Basic Information

Material Stainless Steel Type Nord-Lock Washer Type (Application) Loosening prevention

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17 Part Numbers

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Specification/Dimensions

  • Surface Treatment

    • Painting, Coating
      • Painting / Coating

    Clear

  • Inner Dia. d(mm)

    • 3.4
    • 4.4
    • 5.4
    • 6.5
    • 7.2
    • 8.7
    • 10.3
    • 10.7
    • 13
    • 15.2
    • 17
    • 19.5
    • 20
    • 21.4
    • 23.4
    • 25.3
    • 28.4
    • 31.4
    • 34.4
    • 40.4

    Clear

  • Outer Dia. D(mm)

    • 9
    • 11.5
    • 18.5
    • 23
    • 34.5
    • 39
    • 42
    • 47
    • 48.5
    • 58.5

    Clear

  • Nominal of Thread (M)

    • 3
    • 4
    • 5
    • 6
    • 8
    • 10
    • 12
    • 14
    • 16
    • 18
    • 20
    • 22
    • 24
    • 30

    Clear

  • Thickness t(mm)

    • 2
    • 2.2
    • 3
    • 3.2
    • 6.8

    Clear

  • Sales Unit

    • Low Quantity (can be purchased from one)
    • Box/package

    Clear

  • Material: Stainless Steel

    • 254SMO
    • SUS316L
      • EN1.4404

    Clear

  • Nominal of Thread (inch)

    • 1/4
    • 3/8
    • 3/4

    Clear

  • type

    • N
    • WSCA

    Clear

  • Surface Treatment (Detailed)

    • Copper Plating
      • German Brown plating

    Clear

Days to Ship

    • All
    • 4 Day(s) or Less
    • 7 Day(s) or Less

    Clear

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