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Metal Washers Hardened, Configurable

Metal Washers Hardened, Configurable

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MISUMI

MiSUMi Economy

MISUMI

Part Number

Configured Part Number is shown.

Product Overview
It is generally used as a component that is cushioned at the workpiece connector and plays a role of precise adjustment of the clearance on the cushioned part.
It can also be used to protect the surface of the connected part from being scratched by the nut and disperse the pressure generated by the nut on the connected part.
Dimensional Drawing
MISUMI Metal Washers Hardened, Product Drawings, Gasket Specifications
Specifications Overview
・Material Table
Part Number Material Surface Treatment HardnessD (mm)V (mm)T(mm)
NormalPrecision
E-FWSSCHE-FWASCHGeneral structural steel or carbon steel-40HRC4~1000~901~10
E-FWSSBHE-FWASBHFerroferric Oxide Protective Film
E-FWSSMHE-FWASMHElectroless Nickel Plating
E-FWSSKE-FWASKAlloy tool steel or bearing steel (HRC50~-50HRC~
E-FWSSKBE-FWASKBFerroferric Oxide Protective Film
E-FWSSKME-FWASKMElectroless Nickel Plating
E-FWSSSHE-FWASSHMartensitic stainless steel-40HRC
Depending on the thickness and length, the hardness of hardened products made of general structural steel or carbon steel may be lower than 45HRC.
Hardened products made of austenitic stainless steel (E-FWSSSH) may be discolored due to hardening.
Specification Table
Part NumberDV 0.5mm increments
(V3 or more)		T 0.1mm increments

-Standard Grade-
E-FWSSCH
E-FWSSBH
E-FWSSMH
E-FWSSK
E-FWSSKB
E-FWSSKM
E-FWSSSH

-Precision Grade-
E-FWASCH
E-FWASBH
E-FWASMH
E-FWASK
E-FWASKB
E-FWASKM
E-FWASSH

4.0～10.0
0.5mm increments		0
(No hole machining)


(Selection)
2
2.6

(0.5mm increments)
3-90		1.0~2.0
2.1~5.0
5.1~10.0
10.5～20.0
0.5mm increments		1.0~2.0
2.1~5.0
5.1~10.0
21～30
1mm increments		1.0~2.0
2.1~5.0
5.1~10.0
31～40
1mm increments		1.0~2.0
2.1~5.0
5.1~10.0
41～50
1mm increments		1.0~2.0
2.1~5.0
5.1~10.0
51～60
1mm increments		1.0~2.0
2.1~5.0
5.1~10.0
61～80
1mm increments		5.0~10.0
81～100
1mm increments		5.0~10.0
D and V Machining ConditionsD and V Machining Conditions for Alloy Tool Steel or Bearing SteelUnpriced specifications are not available.
D≤60 -> V≤D-24≤D≤10->V≤D-2 61≤D≤ 80->V≤D-8
D≥61 -> V≤D-410.5≤D≤30->V≤D-4 81≤D≤100->V≤D-10
 31≤D≤60->V≤D-6
Product Features
Feature 1: There is a wide range of options for inner and outer diameters and thickness, and for the T dimension configurable type, the thickness can be specified in 0.1mm increments.
Feature 2: High-precision products made by cutting and machining can realize high-precision spatial adjustment.
Feature 3: Compared with standard washers, metal washers will not be dented after the connected part is screwed in due to the locking, and cause the bolts to loosen.
Feature 4: Compared with standard stamped washers, metal washers increase the friction with the mounting part, which can prevent loosening.
Usage Method
Example of use for securing the seat surface   
■The bolt connection is stable.   
Usage method of metal spiral wound gaskets
 
Example of use for anti-loosening  Example of use for reinforcement of soft materials
■ By increasing the seat surface to increase friction, it is not prone to loosening.  ■ Prevent the bolts from sinking in.
Metal Spiral Wound Gaskets Larger Image
 
Example of use as spring washer   
Specifications of metal spiral wound gaskets
Precautions
①Metal washer is a turned product, not a stamped part.
②When the relative humidity of the operating environment is high and certain anti-rust ability is required, please choose products with surface treatment of electroless nickel plating or products made of austenitic stainless steel.
③When the operating environment requires certain abrasion resistance and hardness for metal washers, please give priority to metal washer quenched products.
Example of Use
Example of using flat washers
Application Industries
Smart Phones Electronic & Electrical Lithium battery
Metal gaskets can be applied in the smart phone industry Specifications of washers used in the electronics and electrical appliances industry Standards of flat washers used in the lithium battery industry
Automotive Robotics Medical
Metal and graphite spiral wound gaskets used in the automotive industry Standards of gaskets used in the robotics industry Specifications of metal spiral wound gaskets used in the medical industry
Related Products
Ultra short head hex socket bolt Adjustment Screw Components Hex Head Stud Axle Pin Bolt
Flat Washer Specifications and Related Products MISUMI Brand Direct-from-Manufacturer Metal Washers Function of MISUMI Washers
Representative model: CBSA6-12 Representative model: ANH4-20 Representative model: DBTS6-3-10
Advantages: space saving, sufficient stock Advantages: Front end hardened, optional length Advantages: Accurate positioning, high shaft precision

Related Documents
Examples of using metal washer/collars ClickExamples of using metal washer/collars
Anti-rust performance and maintenance of metal materials and surface treatment ClickAnti-rust performance and maintenance of metal materials and surface treatment
30
45
60
  1. 1
Part Number
E-FWSSBH-D[4-20/0.5]-V[0,​2,​2.6]-T[1-10/0.1]
E-FWSSBH-D[4-20/0.5]-V[3-90/0.5]-T[1-10/0.1]
E-FWSSBH-D[21-100/1]-V[0,​2,​2.6]-T[1-10/0.1]
E-FWSSBH-D[21-100/1]-V[3-90/0.5]-T[1-10/0.1]
E-FWSSCH-D[4-20/0.5]-V[0,​2,​2.6]-T[1-10/0.1]
E-FWSSCH-D[4-20/0.5]-V[3-90/0.5]-T[1-10/0.1]
E-FWSSCH-D[21-100/1]-V[0,​2,​2.6]-T[1-10/0.1]
E-FWSSCH-D[21-100/1]-V[3-90/0.5]-T[1-10/0.1]
E-FWSSK-D[4-20/0.5]-V[0,​2,​2.6]-T[1-10/0.1]
E-FWSSK-D[4-20/0.5]-V[3-90/0.5]-T[1-10/0.1]
E-FWSSK-D[21-100/1]-V[0,​2,​2.6]-T[1-10/0.1]
E-FWSSK-D[21-100/1]-V[3-90/0.5]-T[1-10/0.1]
E-FWSSKB-D[4-20/0.5]-V[0,​2,​2.6]-T[1-10/0.1]
E-FWSSKB-D[4-20/0.5]-V[3-90/0.5]-T[1-10/0.1]
E-FWSSKB-D[21-100/1]-V[0,​2,​2.6]-T[1-10/0.1]
E-FWSSKB-D[21-100/1]-V[3-90/0.5]-T[1-10/0.1]
E-FWSSKM-D[4-20/0.5]-V[0,​2,​2.6]-T[1-10/0.1]
E-FWSSKM-D[4-20/0.5]-V[3-90/0.5]-T[1-10/0.1]
E-FWSSKM-D[21-100/1]-V[0,​2,​2.6]-T[1-10/0.1]
E-FWSSKM-D[21-100/1]-V[3-90/0.5]-T[1-10/0.1]
E-FWSSMH-D[4-20/0.5]-V[0,​2,​2.6]-T[1-10/0.1]
E-FWSSMH-D[4-20/0.5]-V[3-90/0.5]-T[1-10/0.1]
E-FWSSMH-D[21-100/1]-V[0,​2,​2.6]-T[1-10/0.1]
E-FWSSMH-D[21-100/1]-V[3-90/0.5]-T[1-10/0.1]
E-FWSSSH-D[4-20/0.5]-V[0,​2,​2.6]-T[1-10/0.1]
E-FWSSSH-D[4-20/0.5]-V[3-90/0.5]-T[1-10/0.1]
E-FWSSSH-D[21-100/1]-V[0,​2,​2.6]-T[1-10/0.1]
E-FWSSSH-D[21-100/1]-V[3-90/0.5]-T[1-10/0.1]
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipMaterial Surface Treatment Thickness / Length Tolerance Hardness
(HRC) 		Surface Treatment Accuracy Thickness T
(mm) 		I.D. V
(φ) 		O.D. D
(φ)

-

1 Piece(s) 26 Day(s) [Steel] General Structural Steel or Carbon SteelBlack Oxide±0.145～50HRC-Normal1 ～ 100 ～ 2.64 ～ 20

-

1 Piece(s) 26 Day(s) [Steel] General Structural Steel or Carbon SteelBlack Oxide±0.145～50HRC-Normal1 ～ 103 ～ 904 ～ 20

-

1 Piece(s) 26 Day(s) [Steel] General Structural Steel or Carbon SteelBlack Oxide±0.145～50HRC-Normal1 ～ 100 ～ 2.621 ～ 100

-

1 Piece(s) 26 Day(s) [Steel] General Structural Steel or Carbon SteelBlack Oxide±0.145～50HRC-Normal1 ～ 103 ～ 9021 ～ 100

-

1 Piece(s) 26 Day(s) [Steel] General Structural Steel or Carbon SteelNot Provided±0.145～50HRC-Normal1 ～ 100 ～ 2.64 ～ 20

-

1 Piece(s) 26 Day(s) [Steel] General Structural Steel or Carbon SteelNot Provided±0.145～50HRC-Normal1 ～ 103 ～ 904 ～ 20

-

1 Piece(s) 26 Day(s) [Steel] General Structural Steel or Carbon SteelNot Provided±0.145～50HRC-Normal1 ～ 100 ～ 2.621 ～ 100

-

1 Piece(s) 26 Day(s) [Steel] General Structural Steel or Carbon SteelNot Provided±0.145～50HRC-Normal1 ～ 103 ～ 9021 ～ 100

-

1 Piece(s) 26 Day(s) [Steel] Alloy tool steel or bearing steelNot Provided±0.155HRC～-Normal1 ～ 100 ～ 2.64 ～ 20

-

1 Piece(s) 26 Day(s) [Steel] Alloy tool steel or bearing steelNot Provided±0.155HRC～-Normal1 ～ 103 ～ 904 ～ 20

-

1 Piece(s) 26 Day(s) [Steel] Alloy tool steel or bearing steelNot Provided±0.155HRC～-Normal1 ～ 100 ～ 2.621 ～ 100

-

1 Piece(s) 26 Day(s) [Steel] Alloy tool steel or bearing steelNot Provided±0.155HRC～-Normal1 ～ 103 ～ 9021 ～ 100

-

1 Piece(s) 26 Day(s) [Steel] Alloy tool steel or bearing steelBlack Oxide±0.155HRC～-Normal1 ～ 100 ～ 2.64 ～ 20

-

1 Piece(s) 26 Day(s) [Steel] Alloy tool steel or bearing steelBlack Oxide±0.155HRC～-Normal1 ～ 103 ～ 904 ～ 20

-

1 Piece(s) 26 Day(s) [Steel] Alloy tool steel or bearing steelBlack Oxide±0.155HRC～-Normal1 ～ 100 ～ 2.621 ～ 100

-

1 Piece(s) 26 Day(s) [Steel] Alloy tool steel or bearing steelBlack Oxide±0.155HRC～-Normal1 ～ 103 ～ 9021 ～ 100

-

1 Piece(s) 26 Day(s) [Steel] Alloy tool steel or bearing steelElectroless Nickel Plating±0.155HRC～-Normal1 ～ 100 ～ 2.64 ～ 20

-

1 Piece(s) 26 Day(s) [Steel] Alloy tool steel or bearing steelElectroless Nickel Plating±0.155HRC～-Normal1 ～ 103 ～ 904 ～ 20

-

1 Piece(s) 26 Day(s) [Steel] Alloy tool steel or bearing steelElectroless Nickel Plating±0.155HRC～-Normal1 ～ 100 ～ 2.621 ～ 100

-

1 Piece(s) 26 Day(s) [Steel] Alloy tool steel or bearing steelElectroless Nickel Plating±0.155HRC～-Normal1 ～ 103 ～ 9021 ～ 100

-

1 Piece(s) 26 Day(s) [Steel] General Structural Steel or Carbon SteelElectroless Nickel Plating±0.145～50HRC-Normal1 ～ 100 ～ 2.64 ～ 20

-

1 Piece(s) 26 Day(s) [Steel] General Structural Steel or Carbon SteelElectroless Nickel Plating±0.145～50HRC-Normal1 ～ 103 ～ 904 ～ 20

-

1 Piece(s) 26 Day(s) [Steel] General Structural Steel or Carbon SteelElectroless Nickel Plating±0.145～50HRC-Normal1 ～ 100 ～ 2.621 ～ 100

-

1 Piece(s) 26 Day(s) [Steel] General Structural Steel or Carbon SteelElectroless Nickel Plating±0.145～50HRC-Normal1 ～ 103 ～ 9021 ～ 100

-

1 Piece(s) 26 Day(s) [Stainless Steel] Martensite stainless steelNot Provided±0.145～50HRC-Normal1 ～ 100 ～ 2.64 ～ 20

-

1 Piece(s) 26 Day(s) [Stainless Steel] Martensite stainless steelNot Provided±0.145～50HRC-Normal1 ～ 103 ～ 904 ～ 20

-

1 Piece(s) 26 Day(s) [Stainless Steel] Martensite stainless steelNot Provided±0.145～50HRC-Normal1 ～ 100 ～ 2.621 ～ 100

-

1 Piece(s) 26 Day(s) [Stainless Steel] Martensite stainless steelNot Provided±0.145～50HRC-Normal1 ～ 103 ～ 9021 ～ 100

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  1. 1

Basic Information

I.D. Shape Straight I.D. Tolerance +0.3~+0.1 O.D. Tolerance 0~-0.2
Sale Type Single Item Size Specified Method Custom dimensions

Configure

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Specification/Dimensions

  • Material

    • Steel
      • Alloy tool steel or bearing steel
      • General Structural Steel or Carbon Steel
    • Stainless Steel
      • Martensite stainless steel

    Clear

  • Surface Treatment

    • Not Provided
    • Black Oxide
    • Electroless Nickel Plating

    Clear

  • Hardness(HRC)

    • 45～50HRC
    • 55HRC～

    Clear

  • Surface Treatment

    • Not Provided

    Clear

  • Accuracy

    • Normal
    • Precision Grade

    Clear

  • Thickness T(mm)

     [1-10/0.1mm Unit(s)]

    Clear

  • I.D. V(φ)

    • 0
    • 2
    • 2.6

     [3-90/0.5φ Unit(s)]

    Clear

  • O.D. D(φ)

     [4-20/0.5φ Unit(s)][21-100/1φ Unit(s)]

    Clear

  • type

    • E-FWASBH
    • E-FWASCH
    • E-FWASK
    • E-FWASKB
    • E-FWASKM
    • E-FWASMH
    • E-FWASSH
    • E-FWSSBH
    • E-FWSSCH
    • E-FWSSK
    • E-FWSSKB
    • E-FWSSKM
    • E-FWSSMH
    • E-FWSSSH

    Clear

  • Thickness / Length Tolerance

    • ±0.01
    • ±0.1

    Clear

Days to Ship

    • All
    • 26 Day(s) or Less

    Clear

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