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Special Size Round Washer Steel, Standard Plating【1-20,000 Pieces Per Package】 (Part Numbers)

Special Size Round Washer Steel, Standard Plating
  • Volume Discount
Check FAQ of this product (5 items)

SUNCO

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

(i)Caution

  • The product images are representative only.
  • "Inner diameter d" is a positive tolerance.

Part Number

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Part Number
Part NumberMinimum order quantityVolume DiscountDays to ShipRoHSSurface Treatment Inner Dia. d
(mm) 		Outer Dia. D
(mm) 		Nominal of Thread (M) Thickness t
(mm) 		Sales Unit Surface Treatment (Detailed) O.D.
(mm) 		Diameter Standard Name (Material)

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Basic Information

Material Steel Type Flat Washer Type (Application) Flat Washer
Material Steel SPCC

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227 Part Numbers

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Specification/Dimensions

  • Inner Dia. d(mm)

    • 2.6
    • 3
    • 3.2
    • 3.3
    • 3.4
    • 3.5
    • 4
    • 4.5
    • 5
    • 5.1
    • 5.2
    • 5.3
    • 5.4
    • 5.5
    • 6
    • 6.1
    • 6.2
    • 6.4
    • 6.5
    • 7.2
    • 7.5
    • 8
    • 8.2
    • 8.4
    • 8.5
    • 9
    • 10
    • 10.2
    • 10.5
    • 11
    • 12.2
    • 12.5
    • 13
    • 13.5
    • 14
    • 14.5
    • 15
    • 17
    • 17.5
    • 18
    • 19
    • 21
    • 22
    • 23
    • 24
    • 25
    • 26
    • 27
    • 28
    • 31
    • 31.5
    • 33
    • 36
    • 38
    • 39
    • 42

    Clear

  • Outer Dia. D(mm)

    • 8
    • 12
    • 15
    • 16
    • 18
    • 20
    • 22
    • 24
    • 25
    • 26
    • 30
    • 32
    • 34
    • 35
    • 38
    • 40
    • 44
    • 45
    • 50
    • 52
    • 55
    • 58
    • 60
    • 65
    • 66

    Clear

  • Nominal of Thread (M)

    • 2.6
    • 3
    • 3.5
    • 4
    • 5
    • 6
    • 7
    • 8
    • 9
    • 10
    • 11
    • 12
    • 13
    • 14
    • 15
    • 17
    • 18
    • 19
    • 21
    • 22
    • 23
    • 24
    • 25
    • 26
    • 27
    • 28
    • 31
    • 33
    • 36
    • 38
    • 39
    • 42
    • 45.3
    • 51
    • 55.1
    • 65.1
    • 65.2
    • 65.5
    • 85.2
    • 85.3
    • 105.1
    • 105.2
    • 105.3
    • 110.3
    • 110.4
    • 110.5
    • 110.6
    • 125.1
    • 125.2
    • 125.4
    • 135.3
    • 135.5
    • 145.4
    • 150.6
    • 170.2
    • 170.3
    • 170.4
    • 170.5
    • 170.6
    • 180.4
    • 180.5
    • 180.6
    • 210.3
    • 210.4
    • 210.5
    • 210.6
    • 220.5
    • 230.5
    • 240.5
    • 240.6
    • 260.4
    • 260.5
    • 330.6

    Clear

  • Thickness t(mm)

    • 0.3
    • 0.4
    • 0.5
    • 0.8
    • 1
    • 1.2
    • 1.4
    • 1.6
    • 2
    • 2.3
    • 2.5
    • 2.6
    • 3
    • 3.2
    • 4
    • 4.5
    • 5
    • 6
    • 7.5
    • 9
    • 12
    • 16
    • 32
    • 45

    Clear

  • Sales Unit

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

    Clear

  • Surface Treatment (Detailed)

    • Trivalent Chromate
      • Trivalent White
    • Bright Chromate Plating
    • Chromate Plating
      • Green Chromate
    • Nickel Plating
      • Nickel Plating
    • Chrome Plating

    Clear

  • O.D.(mm)

    • 6
    • 7
    • 8
    • 9
    • 9.3
    • 10
    • 11
    • 12
    • 13
    • 14
    • 15
    • 16
    • 17
    • 18
    • 19
    • 20
    • 21
    • 22
    • 23
    • 24
    • 25
    • 26
    • 28
    • 29
    • 30
    • 31
    • 32
    • 34
    • 35
    • 36
    • 37
    • 38
    • 40
    • 42
    • 44
    • 45
    • 48
    • 50
    • 52
    • 55
    • 56
    • 58
    • 60
    • 62
    • 65
    • 66
    • 70
    • 72
    • 75
    • 78
    • 80
    • 85
    • 90
    • 100

    Clear

  • type

    • N
    • WSX

    Clear

  • Surface Treatment

    • Trivalent Chromate
    • Bright Chromate Plating
    • Nickel Plating
    • Chrome Plating

    Clear

Days to Ship

    • All
    • 4 Day(s) or Less
    • 6 Day(s) or Less
    • 7 Day(s) or Less
    • 16 Day(s) or Less
    • 18 Day(s) or Less

    Clear

Specify Alterations

Frequently asked question (FAQ)

Question: What is the purpose of using a round washer with a large outer diameter for wood applications?
Answer: When fastening components to wood, a round washer with an enlarged outer diameter distributes the load over a greater surface area. This prevents the fastener from sinking into the wood, reducing the risk of depression or damage to the material, ensuring a secure and stable connection.
Question: What materials are used for these washers?
Answer: The washers are made from Steel/SPCC (cold-rolled steel)
Question: What are the different thickness options for these washers?
Answer: Washers are available in thicknesses ranging from 0.3 mm to 45 mm, offering flexibility for different load-bearing requirements. Thinner washers are suitable for lightweight applications, while thicker options provide additional strength for high-load environments.
Question: How does the washer contribute to load distribution in fastening applications?
Answer: Washers distribute the load evenly across the fastening surface, preventing stress concentration on bolts, screws, and the material being fastened. This minimizes the risk of fastener loosening, material deformation, and structural failure, especially in soft materials like wood, aluminium, or plastic.
Question: Are these washers resistant to rust and corrosion?
Answer: Yes, the washers have various surface treatments such as Tricalent Chromate, Nickel Plating, and Bright chrome plating to prevent rust and oxidation. However, rust may occur depending on the usage conditions.

Check other FAQ (2 items) Hide

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