Washers / lock washers（Sales Unit：Low Quantity (Available beginning with 1 pc.)）

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  Flat Washers

  MISUMI

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  Starting from∗ ：	0.20 €
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  Special-Sized Round Washer

  SUNCO

  [Materials] Stainless Steel, Aluminum, Brass
  [Surface treatment] None, trivalent chromate, bright chromate plating, zinc plating, chromate plating, nickel plating, chrome plating, Parkerizing, Dacrotized, painting, coating, silver/copper/tin plating

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  Starting from∗ ：	0.11 €
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  Spring Washers

  MISUMI

  Sizes range from M2 to M24. Delivery from 1 piece is possible depending on requirements.

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  Starting from∗ ：	0.20 €
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  Nord-Lock Washer - Delta Protection

  NORD-LOCK

  The range of sizes has been greatly expanded from the range previously available from Misumi. Be sure to check out the lineup.

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  Stainless Steel Flat Washer UUW / UUW-H / UUW-BH

  HIROSUGI-KEIKI

  [Material] Stainless steel
  [Surface treatment] Degreasing / Micro Black (black coating)
  *SUS303: Outer diameter has an SUS303 mark for identification

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  Starting from∗ ：	5.14 €
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  Spring Washer, Spring Washer No. 2

  SUNCO

  A portion of the flat washer is cut off, with a twisted shape. This twisted shape helps prevent loosening or falling if it is loosened. No. 2 is the most widely available type of spring washer.

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  Captive Washers SWAS

  NABEYA BI-TECH

  ● Simply attach to commercially available screws to prevent the screws from falling out and becoming lost.
  ● The hooks of the washer securely hook onto the thread ridges, preventing the washer from coming off the screw after installation.

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  Starting from∗ ：	3.10 €
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  Nord-Lock Washer SUS316L

  NORD-LOCK

  The range of sizes has been greatly expanded from the range previously available from Misumi. Be sure to check out the lineup.

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  Starting from∗ ：	2.77 €
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  Wave Washer

  TAIYO STAINLESS SPRING

  Stable and gradual loading prevents loosening and rattling. *The CAD data for this series is undergoing revision. This will be available as soon as modifications are complete.

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  Bonded Washer (Black Rubber)

  OPG

  [Features]
  · Strong adhesion due to vulcanization bonding of metal and rubber. (Washer with rubber = The rubber part was not pasted later)
  · As the washer and thread sections are sealed with rubber when tightening, the sealing effect is excellent.
  · High anti-loosening effect due to rubber's vibration absorption performance.
  · Sound absorption effect and insulation effect by the rubber contacting the tightening object. Also, does not hurt the bearing surface.
  [Type (usage)]: For fluids.
  [Type] Sealing washer.
  [Material] Stainless steel.
  [Surface treatment] None.
  [Unit of purchase] Per pcs (able to purchase from one piece).
  [Surface treatment (detail)] None.
  [Inner diameter d (mm)] 4 5 6 7 9 11 12.7 17.
  [Nominal designation of thread (M)] 3 4 5 6 8 10 12 16.
  [Thickness t (mm)] 3.5 3.7 4.1 4.3.
  [Outer diameter D (mm)] 9.5 12.5 14 16 19 22.

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  Starting from∗ ：	0.27 €
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  Tapered Washer (5°) for Channels

  SUNCO

  For channel steel. Type: bevelled washer.

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  Starting from∗ ：	0.33 €
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  Flat, Round Washer

  SUNCO

  [Type (application)] Plain Washer
  [Type] Plain Washer
  [Materials] Steel
  [Materials] Steel SPCC
  [Surface treatment] None, Trivalent chromate, Bright chromate plating, Zinc plating, Chromate plating, Nickel plating, Parkerizing
  [Nominal Thread (M)] 8 10 12 14 16 18 20 22 24 27 30 33 36 39 42 48
  [Sales unit] Minimum Quantity (Available for Purchase from 1 pc) Box and Pkg.
  [Surface treatment](Details) None, Trivalent chromate, Trivalent black, Trivalent white, Bright chromate plating, Hot dip galvanizing, Chromate plating, Chromate plating, Green chromate, Black chromate, Nickel plating, Parkerizing
  [Outer diameter (mm)] 17 21 24 28 30 34 37

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  Starting from∗ ：	0.03 €
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  Wave Washer

  OCHIAI

  Generates a load by bending a flat washer into an arch-like shape. Obtain higher loads over bent washers.

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  Starting from∗ ：	0.13 €
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  Lock Washers ーNord-Lock－ (Small O.D.) / Pack

  MISUMI

  The sizes are M3 to M12. Delivery of 1 piece is possible as required.

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  Starting from∗ ：	1.90 €
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  Tapered Washers (Square)

  MISUMI

  Sizes range from M6 to M24. Delivery from 1 piece is possible depending on requirements.

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  Starting from∗ ：	3.17 €
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  Wave Washer for Bearings

  OCHIAI

  Generates pressure with flat washers that have been bowed. Reduces vibration and noise by preloading the bearing.

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  Starting from∗ ：	0.16 €
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  Round Washer, ISO, Special Material, No Surface Treatment

  SUNCO

  It is inserted between the bearing surface and tightening section when tightening machine screws or bolts. ISO standard.
  [Special Material]
  ·SUS316/SUS316L/SUS310S/brass/titanium

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  Starting from∗ ：	0.11 €
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  Disk Spring Washers

  MISUMI

  The sizes are M4 to M12. Delivery from 1 piece is possible depending on requirements.

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  Starting from∗ ：	1.26 €
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  Nord-Lock Washer with Delta Protection (Wide)

  NORD-LOCK

  This type is wider than the normal size.

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  Starting from∗ ：	0.98 €
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  Nord-Lock Washer, SUS316L (Wide)

  NORD-LOCK

  This type is wider than the normal size.
  
  [Features]
  · EN 1.4404 is an austenitic chromium-nickel-stainless steel with molybdenum.
  · It is also a stainless steel with low carbon content, helping reduce the risk of deposition of chromium carbide.
  · EN 1.4404 is one of the most widely used stainless steels, and EN 1.4404 made Nord-Lock washers are suitable for most applications with no chloride or oxide.

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  Flat Spring Washer, JIS B, Type 2, for Cap, for Heavy Load

  HEIWA HATSUJYO

  Screw has a spring counter-force when compared to the tightening axial force of bolts. The spring prevents thread loosening caused by vibration and shock. It is possible to obtain a stable tightening axial force without causing fatigue to the tightening material as a result of the low pressure applied to the bearing surface.

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  Spring Washer for Caps

  SUNCO

  [Materials] Steel, Stainless steel
  [Surface treatment] None, Trivalent chromate, Bright chromate plating, Nickel plating, Chrome plating, Dacrotized, Painting, Coating, Silver/Copper/Tin plating

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  Starting from∗ ：	0.08 €
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  Special Size Round Washer Steel, Standard Plating

  SUNCO

  [Features]
  ·When the counterpart is wood, use a round washer with a large outer diameter for wood to prevent depressions
  [Material]
  ・ steel
  [Standard Plating]
  ·Bright chromate plating / trivalent white / nickel plating / chrome plating

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  Spherical Washer - SQW / SQWS

  NABEYA BI-TECH

  Use in a concave/convex setup. Supports a maximum base tilt of 2°.

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  Starting from∗ ：	10.19 €
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  Round Washer, ISO

  SUNCO

  Insert between the base surface and tightening area when tightening machine screws or bolts. ISO standard.

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  Sealing Washer

  KEEPER

  [Nominal Thread (M)] 8 12.5 14 25 28 31.5 45 56 63 71 90 100 125 140 160 180 200 225 250
  [Sales unit] Minimum Quantity (Available for Purchase from 1 pc) Box and Pkg.
  [Materials] Steel, Stainless steel
  [Nominal Thread (M)] 2.6 3 4 5 6 8 10 12 14 16 18 20 22 24 25 28 30 36 38 42 48
  [Thickness t (mm)] 1.2 1.6 2
  [Outer diameter (mm)] 10 11 12 13 16 18

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  Starting from∗ ：	0.72 €
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  Round Washer, Special Size, Steel, Special Plating【1-400 Pieces Per Package】

  SUNCO

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  JIS Disc Spring Washer Type 1

  HEIWA HATSUJYO

  [Type (Application)] Spring Washer
  [Type] Spring Washer
  [Surface Treatment] (Detail) Tempering Color
  [Type]Spring Washer, Conical Spring Washer, Load
  [Type]No. 1 (for Light Loads), JIS Standard Type 1
  [Materials] Stainless Steel
  [Surface Treatment] Trivalent Chromate, Chromate, Nickel Plating, Tempering Color
  [Nominal Thread (M)] 3 4 5 6 8 10 12 14 16 18 20 22 24 27 30
  [Sales Unit] Individual (Available for Purchase as 1pc) Box and Packaging.
  [Materials]Steel S50C to S65C
  [Materials]Stainless Steel SUS304-CSP
  [Outer Diameter D (mm)] 7 9 10 12.5 17 21

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  Starting from∗ ：	0.41 €
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  Circular Washer ISO Small

  SUNCO

  [Materials] Steel, Stainless steel Bras
  [Surface treatment] None, trivalent chromate, bright chromate plating, zinc plating, chromate plating, nickel plating, chrome plating, Parkerizing, Dacrotized, painting, coating, silver/copper/tin plating

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  Starting from∗ ：	0.14 €
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  Iwata Denko Standards Iron Wave Washer (Bearing)

  IWATA DENKO

  Its superior abrasion resistance compared with other carbon steels makes it optimal for preloading a variety of bearings and spring applications with small loads.

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  Iwata Denko Standards Iron Wave Washer (Iwata Standard)

  IWATA DENKO

  Its superior abrasion resistance compared with other carbon steels makes it optimal for preloading a variety of bearings and spring applications with small loads.

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  Starting from∗ ：	0.30 €
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  Nord-Lock Washer - 254SMO

  NORD-LOCK

  Offers superior corrosion resistance and resistance to pitting corrosion when compared to normal stainless steel.
  
  [Features]
  · 254 SMO®, made with high-quality austenitic stainless steel (EN 1.4547), has superior mechanical strength and rust resistance compared to most other austenitic stainless steels.
  · This material contains high amount of chrome, nickel, molybdenum, and nitrogen, delivering resistance to hole corrosion and gap corrosion.
  · Nord-Lock 254 SMO® washers are designed for environments containing high levels of chloride and aqueous salt solution that EN 1.4404 stainless steel washers cannot handle.

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  Spring Washer No. 2, Special-Sized

  TOKYO METAL

  We offer products from M0.5 to M200.

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  JIS Spring Washer

  HEIWA HATSUJYO

  [Type (application)] Spring Washer
  [Type] Spring Washer
  [Type]Spring Washer, standard load
  [Type]No. 2 (for medium load)
  [Materials] Steel, Stainless steel
  [Surface treatment] Anti-rust Oil Only, Trivalent Chromate, Chromate, Nickel Plating, Temper Color
  [Inner diameter d (mm)] 2.1 2.4 2.7 3.1 4.1 5.1 6.1 6.5 8.2 10.2 11.4 12.2 13 14.2 16.2 18.2 20.2 22.5 24.5
  [Nominal Thread (M)] 2 2.3 2.6 3 4 5 6 8 10 12 14 16 18 20 22 24
  [Nominal Thread (inch)] 1/4 7/16 1/2
  [Thickness t (mm)] 0.5 0.6 0.7 1 1.3 1.5

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  Starting from∗ ：	4.94 €
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  Spring Washer No. 2, Reverse Winding

  SUNCO

  Spring washer for left screws. A portion of the flat washer is cut off, with a twisted shape. This twisted shape helps prevent loosening or falling if it is loosened.

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  Internal Tooth Lock Washer

  TAIYO STAINLESS SPRING

  The teeth protruding into the inner diameter prevent rattling and loosening of screws when combined with flat washers, etc.

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  Starting from∗ ：	0.82 €
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  C Type Spherical Washer

  SUNCO

  [Type (application)] Special
  [Shape]
  [Type] Spherical Washer
  [Surface treatment] None
  [Sales unit] Minimum Quantity (Available for Purchase from 1 pc)
  [Surface treatment](Details) none
  [Materials] Steel, Stainless steel
  [Inner diameter d (mm)] 6.4 8.4 10.5 13 15 17 21 25 31 37 43 50 58 66
  [Nominal Thread (M)] 6 8 10 12 14 16 20 24 30 33 36 42 48 56 64
  [Thickness t (mm)] 2.3 3.2 4 4.6 5 5.3 6.3 8.2 11.2 14 17 21 23 27
  [Materials]Steel SPCC
  [Materials] Stainless Steel SUS307J3
  [Outer diameter (mm)] 12 17 21 24 28 30

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  Starting from∗ ：	1.59 €
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  Spring Washer for Cap

  HEIWA HATSUJYO

  [Materials] Stainless Steel
  [Surface Treatment] Anti-Rust Oil Only, Trivalent Chromate, Chromate, Nickel Plating, Tempering Color
  [Inner diameter d (mm)] 2.1 2.4 2.7 3.1 4.1 5.1 6.1 6.5 8.2 10.2 11.4 12.2 13 14.2 16.2 18.2 20.2 22.5 24.5
  [Nominal Thread (M)] 2 2.3 2.6 3 4 5 6 8 10 12 14 16 18 20 22 24
  [Thread (inch)] 1/4 7/16 1/2
  [Thickness t (mm)] 0.5 0.6 0.7 1 1.3 1.5

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  Starting from∗ ：	1.64 €
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  BUMAX10.9　Washer

  BUMAX

  Has a same strength class equivalent to that of iron although it is a stainless steel product. Four and two times as durable as SUS304 and SUS316, respectively.

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  Specialized Wave-Shaped Washers

  OCHIAI

  [Type] Spring Washer
  [Materials] Steel
  [Inner diameter d (mm)] 9
  [Thickness t (mm)] 0.3
  [Sales unit] Box/package
  [Materials] Steel S65C
  [Type]Spring Washer, Wave Washer
  [Outer diameter D (mm)] 15

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  Starting from∗ ：	1.63 €
  Min. Shipping Days ：	6 Days

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  Spring Washer - Inch Size

  SAIMA CORPORATION

  A washer. Standardized in inches.

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  Starting from∗ ：	0.95 €
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  Disc Spring, For Heavy Loads, By TAIYO Stainless Spring Co., Ltd.

  SUNCO

  [Nominal] 4 to 91
  [Material] Steel / Stainless steel
  [Surface treatment] None

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  Starting from∗ ：	40.82 €
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  Round Washer, Special Size, Special Material, No Surface Treatment

  SUNCO

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  Starting from∗ ：	0.12 €
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  Spring Washers / Conical Disk

  MISUMI

  The sizes are M3 to M24. Delivery from 1 piece is possible according to requirements.

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  Starting from∗ ：	0.15 €
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  Circular Washer Thin

  SUNCO

  [Materials] Stainless steel, SUS307J3, SUS316
  [Surface treatment](Details) None, Dacrotized, Geomet-treated, German brown plating, Black paint

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  Starting from∗ ：	0.19 €
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