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Alumina Washer

Alumina Washer are ceramic washers offered by Goodfellow within its extensive range of bolts and fasteners. With 101 size variations, these washers provide high hardness and compressive strength. Alumina Washer are electrically insulating and chemically inert, making them ideal for applications in corrosive environments. They also have high thermal conductivity, allowing them to dissipate heat in electronic components. Alumina's hardness and low friction make these washers suitable for high-wear applications.

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    1. Alumina Washer
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      Alumina Washer Size: M5 (BS4320)
      Standard: BS4320:1968
      Thickness: 1mm
      Outside Diameter: 9.85mm
      Inside Diameter: 5.4mm
      Quantity: 10 piece
      Technical Name: Alumina
      Formula: Al₂O₃
      Density: 3.9g/cm³
      CAS Number: 1344-28-1
      UOM Code: 017-320-58
      $210.75 Price from $155.95
      each
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    3. Alumina Washer
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      Alumina Washer Size: M2 (ANSI)
      Standard: ANSI B18.22M-1981, R1990 (Reg)
      Thickness: 0.75mm
      Outside Diameter: 5.85mm
      Inside Diameter: 2.57mm
      Quantity: 10 piece
      Technical Name: Alumina
      Formula: Al₂O₃
      Density: 3.9g/cm³
      CAS Number: 1344-28-1
      UOM Code: 025-369-61
      $194.81 Price from $144.16
      each
      Discounts applied for volume purchases
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    4. Alumina Washer
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      Alumina Washer Size: M4 (BS4320)
      Standard: BS4320:1968
      Thickness: 0.8mm
      Outside Diameter: 8.85mm
      Inside Diameter: 4.4mm
      Quantity: 25 piece
      Technical Name: Alumina
      Formula: Al₂O₃
      Density: 3.9g/cm³
      CAS Number: 1344-28-1
      UOM Code: 040-880-88
      $417.96 Price from $309.29
      each
      Discounts applied for volume purchases
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    6. Alumina Washer
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      Alumina Washer Size: M2 (ANSI)
      Standard: ANSI B18.22M-1981, R1990 (Reg)
      Thickness: 0.75mm
      Outside Diameter: 5.85mm
      Inside Diameter: 2.57mm
      Quantity: 1 piece
      Technical Name: Alumina
      Formula: Al₂O₃
      Density: 3.9g/cm³
      CAS Number: 1344-28-1
      UOM Code: 367-325-43
      POA
      each
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    7. Alumina Washer
      Save to Favourites List
      Alumina Washer Size: M2 (ANSI)
      Standard: ANSI B18.22M-1981, R1990 (Reg)
      Thickness: 0.75mm
      Outside Diameter: 5.85mm
      Inside Diameter: 2.57mm
      Quantity: 20 piece
      Technical Name: Alumina
      Formula: Al₂O₃
      Density: 3.9g/cm³
      CAS Number: 1344-28-1
      UOM Code: 369-730-89
      POA
      each
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    8. Alumina Washer
      Save to Favourites List
      Alumina Washer Size: M2 (ANSI)
      Standard: ANSI B18.22M-1981, R1990 (Reg)
      Thickness: 0.75mm
      Outside Diameter: 5.85mm
      Inside Diameter: 2.57mm
      Quantity: 25 piece
      Technical Name: Alumina
      Formula: Al₂O₃
      Density: 3.9g/cm³
      CAS Number: 1344-28-1
      UOM Code: 338-138-39
      $391.39 Price from $289.63
      each
      Discounts applied for volume purchases
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    9. Alumina Washer
      Save to Favourites List
      Alumina Washer Size: M2 (ANSI)
      Standard: ANSI B18.22M-1981, R1990 (Reg)
      Thickness: 0.75mm
      Outside Diameter: 5.85mm
      Inside Diameter: 2.57mm
      Quantity: 30 piece
      Technical Name: Alumina
      Formula: Al₂O₃
      Density: 3.9g/cm³
      CAS Number: 1344-28-1
      UOM Code: 370-033-81
      POA
      each
      Discounts applied for volume purchases
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    10. Alumina Washer
      Save to Favourites List
      Alumina Washer Size: M2 (ANSI)
      Standard: ANSI B18.22M-1981, R1990 (Reg)
      Thickness: 0.75mm
      Outside Diameter: 5.85mm
      Inside Diameter: 2.57mm
      Quantity: 5 piece
      Technical Name: Alumina
      Formula: Al₂O₃
      Density: 3.9g/cm³
      CAS Number: 1344-28-1
      UOM Code: 369-007-36
      POA
      each
      Discounts applied for volume purchases
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    11. Alumina Washer
      Save to Favourites List
      Alumina Washer Size: M2 (ANSI)
      Standard: ANSI B18.22M-1981, R1990 (Reg)
      Thickness: 0.75mm
      Outside Diameter: 5.85mm
      Inside Diameter: 2.57mm
      Quantity: 50 piece
      Technical Name: Alumina
      Formula: Al₂O₃
      Density: 3.9g/cm³
      CAS Number: 1344-28-1
      UOM Code: 372-715-90
      POA
      each
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    12. Alumina Washer
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      Alumina Washer Size: M3 (ANSI)
      Standard: ANSI B18.22M-1981, R1990 (Reg)
      Thickness: 0.9mm
      Outside Diameter: 9.82mm
      Inside Diameter: 3.59mm
      Quantity: 1 piece
      Technical Name: Alumina
      Formula: Al₂O₃
      Density: 3.9g/cm³
      CAS Number: 1344-28-1
      UOM Code: 374-699-21
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      each
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    13. Alumina Washer
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      Alumina Washer Size: M3 (ANSI)
      Standard: ANSI B18.22M-1981, R1990 (Reg)
      Thickness: 0.9mm
      Outside Diameter: 9.82mm
      Inside Diameter: 3.59mm
      Quantity: 10 piece
      Technical Name: Alumina
      Formula: Al₂O₃
      Density: 3.9g/cm³
      CAS Number: 1344-28-1
      UOM Code: 856-542-99
      $200.12 Price from $148.09
      each
      Discounts applied for volume purchases
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    14. Alumina Washer
      Save to Favourites List
      Alumina Washer Size: M3 (ANSI)
      Standard: ANSI B18.22M-1981, R1990 (Reg)
      Thickness: 0.9mm
      Outside Diameter: 9.82mm
      Inside Diameter: 3.59mm
      Quantity: 20 piece
      Technical Name: Alumina
      Formula: Al₂O₃
      Density: 3.9g/cm³
      CAS Number: 1344-28-1
      UOM Code: 379-411-27
      POA
      each
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    Material
    1. Alumina
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    Form
    1. Washer
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    Formula
    1. Al₂O₃
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    Thickness
    1. 0.3mm
    2. 0.5mm
    3. 0.75mm
    4. 0.8mm
    5. 0.9mm
    6. 1.2mm
    7. 1.48mm
    8. 1.6mm
    9. 1.95mm
    10. 1mm
    View all
    Outside Diameter
    1. 4.85mm
    2. 5.85mm
    3. 5mm
    4. 6.85mm
    5. 8.85mm
    6. 9.82mm
    7. 9.85mm
    8. 11.79mm
    9. 12.3mm
    10. 14.79mm
    11. 18.59mm
    12. 24.94mm
    13. 50mm
    View all
    Inside Diameter
    1. 2.15mm
    2. 2.28mm
    3. 2.57mm
    4. 3.3mm
    5. 3.59mm
    6. 4.4mm
    7. 4.79mm
    8. 5.4mm
    9. 5.64mm
    10. 6.55mm
    11. 6.76mm
    12. 9.01mm
    13. 25.1mm
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    Quantity
    1. 1 piece
    2. 2 piece
    3. 3 piece
    4. 5 piece
    5. 10 piece
    6. 20 piece
    7. 25 piece
    8. 30 piece
    9. 32 piece
    10. 50 piece
    11. 100 piece
    12. 112 piece
    13. 200 piece
    View all
    Size
    1. 50mm OD
    2. M2 (ANSI)
    3. M2 (BS4320)
    4. M3 (ANSI)
    5. M3 (BS4320)
    6. M4 (ANSI)
    7. M4 (BS4320)
    8. M5 (ANSI)
    9. M5 (BS4320)
    10. M6 (ANSI)
    11. M6 (BS4320)
    12. M8 (ANSI)
    View all
    Standard
    1. ANSI B18.22M-1981, R1990 (Reg)
    2. BS4320:1968
    View all
    Density
    1. 3.9g/cm³
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    Price
    $
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