Skip to content
Free shipping on orders $250 and up!
Free shipping on orders $250 and up!

Flat Washers

  • Original price $21.50 - Original price $21.50
    Original price
    $21.50
    $21.50 - $21.50
    Current price $21.50

    5/16" x 7/8" Plain Grade 2 Steel USS Flat Washers (435 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Diameter 2: 7/8"Thickness: 5/64"Material: SteelFinish: PlainThread Type: USSHardness: Grade 2Nominal Size: 5/16"Type: Flat WasherBox...

    View full details
    Original price $21.50 - Original price $21.50
    Original price
    $21.50
    $21.50 - $21.50
    Current price $21.50
  • Original price $10.44 - Original price $37.93
    Original price
    $10.44 - $37.93
    $10.44 - $37.93
    Current price $10.44

    5/16" x 3/8" x 7/8" Hot Dip Galvanized Grade 2 Steel USS Flat Washers

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Diameter 2: 7/8"Thickness: 5/64"Material: SteelFinish: Hot Dip GalvanizedThread Type: USSHardness: Grade 2Nominal Size: 5/16"Type: Fl...

    View full details
    Original price $10.44 - Original price $37.93
    Original price
    $10.44 - $37.93
    $10.44 - $37.93
    Current price $10.44
  • Original price $15.34 - Original price $15.34
    Original price
    $15.34
    $15.34 - $15.34
    Current price $15.34

    5/16" x 3/8" x 7/8" Black Chrome Grade 2 USS Flat Washers (10 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Diameter 2: 7/8"Thickness: 5/64"Material: SteelFinish: Black ChromeThread Type: USSHardness: Grade 2Nominal Size: 5/16"Type: Flat Was...

    View full details
    Original price $15.34 - Original price $15.34
    Original price
    $15.34
    $15.34 - $15.34
    Current price $15.34
  • Original price $14.26 - Original price $14.26
    Original price
    $14.26
    $14.26 - $14.26
    Current price $14.26

    5/16" x 11/32" x 1/16" Chrome Grade 2 SAE Flat Washers (10 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 11/32"Diameter 2: 11/16"Thickness: 1/16"Material: SteelFinish: ChromeThread Type: SAEHardness: Grade 2Nominal Size: 5/16"Type: Flat Washe...

    View full details
    Original price $14.26 - Original price $14.26
    Original price
    $14.26
    $14.26 - $14.26
    Current price $14.26
  • Original price $28.19 - Original price $28.19
    Original price
    $28.19
    $28.19 - $28.19
    Current price $28.19

    5/16" x 11/32" x 11/16" Chrome Grade 2 SAE Extra Thick Washers (10 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 11/32"Diameter 2: 11/16"Thickness: 3/32"Material: SteelFinish: ChromeThread Type: SAEHardness: Grade 2Nominal Size: 5/16"Type: Flat Washe...

    View full details
    Original price $28.19 - Original price $28.19
    Original price
    $28.19
    $28.19 - $28.19
    Current price $28.19
  • Original price $8.92 - Original price $8.92
    Original price
    $8.92
    $8.92 - $8.92
    Current price $8.92

    5/16" x 11/32" x 11/16" Black Oxide Grade 2 Steel Lock Washers (20 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 11/32"Diameter 2: 11/16"Thickness: 1/16"Material: SteelFinish: Black OxideThread Type: SAEHardness: Grade 2Nominal Size: 5/16"Type: Flat ...

    View full details
    Original price $8.92 - Original price $8.92
    Original price
    $8.92
    $8.92 - $8.92
    Current price $8.92
  • Original price $11.37 - Original price $11.37
    Original price
    $11.37
    $11.37 - $11.37
    Current price $11.37

    5/16" x 1/2" x 1/16" Nylon Plastic Flat Washers (30 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Diameter 2: 1/2"Thickness: 1/16"Material: NylonNominal Size: 5/16"Type: Nylon Mylar WasherBox of 30.

    Original price $11.37 - Original price $11.37
    Original price
    $11.37
    $11.37 - $11.37
    Current price $11.37
  • Original price $38.89 - Original price $38.89
    Original price
    $38.89
    $38.89 - $38.89
    Current price $38.89

    5/16" x 11/32" x 11/16" Copper SAE Flat Washers (50 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 11/32"Diameter 2: 11/16"Thickness: 1/16"Material: CopperThread Type: SAENominal Size: 5/16"Type: Flat WasherBox of 50.A flat washer is a ...

    View full details
    Original price $38.89 - Original price $38.89
    Original price
    $38.89
    $38.89 - $38.89
    Current price $38.89
  • Original price $17.30 - Original price $17.30
    Original price
    $17.30
    $17.30 - $17.30
    Current price $17.30

    5/16" x 3/4" Fiber Washers (50 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Diameter 2: 3/4"Thickness: 1/16"Material: FiberNominal Size: 5/16"Style: FiberType: Flat WasherBox of 50.A flat washer is a thin, us...

    View full details
    Original price $17.30 - Original price $17.30
    Original price
    $17.30
    $17.30 - $17.30
    Current price $17.30
  • Original price $10.06 - Original price $39.93
    Original price
    $10.06 - $39.93
    $10.06 - $39.93
    Current price $10.06

    5/16" x 11/32" x 11/16" Zinc Plated Grade 2 Steel SAE Flat Washers

    Monster Fastener
    Only 6 left!

    Diameter: 11/32"Diameter 2: 11/16"Thickness: 1/16"Material: SteelFinish: ZincThread Type: SAEHardness: Grade 2Nominal Size: 5/16"Type: Flat WasherA...

    View full details
    Original price $10.06 - Original price $39.93
    Original price
    $10.06 - $39.93
    $10.06 - $39.93
    Current price $10.06
  • Original price $9.58 - Original price $146.97
    Original price
    $9.58 - $146.97
    $9.58 - $146.97
    Current price $9.58

    5/16" x 3/8" x 7/8" Zinc Plated Grade 2 Steel USS Flat Washers

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Diameter 2: 7/8"Thickness: 5/64"Material: SteelFinish: ZincThread Type: USSHardness: Grade 2Nominal Size: 5/16"Type: Flat WasherA fla...

    View full details
    Original price $9.58 - Original price $146.97
    Original price
    $9.58 - $146.97
    $9.58 - $146.97
    Current price $9.58
  • Original price $10.14 - Original price $13.33
    Original price
    $10.14 - $13.33
    $10.14 - $13.33
    Current price $10.14

    5/16" x 11/32" x 11/16" Zinc Plated Grade 2 Steel SAE Flat Washers

    Monster Fastener
    10+ in stock

    Diameter: 11/32"Diameter 2: 11/16"Thickness: 1/16"Material: SteelFinish: ZincThread Type: SAEHardness: Grade 2Nominal Size: 5/16"Type: Flat WasherA...

    View full details
    Original price $10.14 - Original price $13.33
    Original price
    $10.14 - $13.33
    $10.14 - $13.33
    Current price $10.14
  • Original price $10.47 - Original price $32.86
    Original price
    $10.47 - $32.86
    $10.47 - $32.86
    Current price $10.47

    5/16" x 11/32" x 11/16" Zinc Plated Grade 8 Steel SAE Flat Washers

    Monster Fastener
    10+ in stock

    Diameter: 11/32"Diameter 2: 11/16"Thickness: 1/16"Material: SteelFinish: Yellow ZincThread Type: SAEHardness: Grade 8Nominal Size: 5/16Type: Flat W...

    View full details
    Original price $10.47 - Original price $32.86
    Original price
    $10.47 - $32.86
    $10.47 - $32.86
    Current price $10.47
  • Original price $21.52 - Original price $21.52
    Original price
    $21.52
    $21.52 - $21.52
    Current price $21.52

    5/16" x 9/16" Polished 18-8 Stainless Steel AN Washers (12 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Diameter 2: 9/16"Thickness: 1/16"Material: Stainless SteelFinish: PolishedHardness: 18-8Nominal Size: 5/16"Style: ANType: Flat Washe...

    View full details
    Original price $21.52 - Original price $21.52
    Original price
    $21.52
    $21.52 - $21.52
    Current price $21.52
  • Original price $21.52 - Original price $21.52
    Original price
    $21.52
    $21.52 - $21.52
    Current price $21.52

    5/16" x 9/16" Black Chrome Plated Grade 2 Steel AN Washers (12 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Diameter 2: 9/16"Thickness: 1/16"Material: SteelFinish: Black ChromeThread Type: ANHardness: Grade 2Nominal Size: 5/16"Style: ANType...

    View full details
    Original price $21.52 - Original price $21.52
    Original price
    $21.52
    $21.52 - $21.52
    Current price $21.52
  • Original price $11.90 - Original price $11.90
    Original price
    $11.90
    $11.90 - $11.90
    Current price $11.90

    5/16" x 21/64" x 3/4" Brass S Pattern Flat Washers (20 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 21/64"Diameter 2: 3/4"Thickness: 1/16"Material: BrassNominal Size: 5/16"Style: S PatternType: Flat WasherBox of 20.A flat washer is a thi...

    View full details
    Original price $11.90 - Original price $11.90
    Original price
    $11.90
    $11.90 - $11.90
    Current price $11.90
  • Original price $13.97 - Original price $13.97
    Original price
    $13.97
    $13.97 - $13.97
    Current price $13.97

    5/16" x 11/32" x 11/16" Aluminum Flat Washers (25 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 11/32"Diameter 2: 11/16"Thickness: 1/16"Material: AluminumThread Type: SAENominal Size: 5/16"Type: Flat WasherBox of 25.A flat washer is ...

    View full details
    Original price $13.97 - Original price $13.97
    Original price
    $13.97
    $13.97 - $13.97
    Current price $13.97
  • Original price $14.26 - Original price $14.26
    Original price
    $14.26
    $14.26 - $14.26
    Current price $14.26

    5/16" x 3/8" x 7/8" Chrome Grade 2 USS Flat Washers (10 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Diameter 2: 7/8"Thickness: 5/64"Material: SteelFinish: ChromeThread Type: USSHardness: Grade 2Nominal Size: 5/16"Type: Flat WasherBox...

    View full details
    Original price $14.26 - Original price $14.26
    Original price
    $14.26
    $14.26 - $14.26
    Current price $14.26
  • Original price $16.72 - Original price $16.72
    Original price
    $16.72
    $16.72 - $16.72
    Current price $16.72

    5/16" x 9/16" Chrome Plated Grade 2 Steel AN Washers (10 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Diameter 2: 9/16"Thickness: 1/16"Material: SteelFinish: ChromeThread Type: ANHardness: Grade 2Nominal Size: 5/16"Style: ANType: Flat...

    View full details
    Original price $16.72 - Original price $16.72
    Original price
    $16.72
    $16.72 - $16.72
    Current price $16.72
  • Original price $11.70 - Original price $11.70
    Original price
    $11.70
    $11.70 - $11.70
    Current price $11.70

    5/16" x 7/8" x .086" Zinc Grade 8 Thick Washers (15 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Diameter 2: 7/8"Thickness: 3/32"Material: SteelFinish: Yellow ZincHardness: Grade 8Nominal Size: 5/16"Style: ThickType: Flat WasherBo...

    View full details
    Original price $11.70 - Original price $11.70
    Original price
    $11.70
    $11.70 - $11.70
    Current price $11.70
  • Original price $12.53 - Original price $12.53
    Original price
    $12.53
    $12.53 - $12.53
    Current price $12.53

    5/16" x 21/64" x 3/4" Brass S Pattern Flat Washers (20 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 21/64"Diameter 2: 3/4"Thickness: 1/16"Material: BrassNominal Size: 5/16"Style: S PatternType: Flat WasherBox of 20.A flat washer is a thi...

    View full details
    Original price $12.53 - Original price $12.53
    Original price
    $12.53
    $12.53 - $12.53
    Current price $12.53
  • Original price $14.32 - Original price $14.32
    Original price
    $14.32
    $14.32 - $14.32
    Current price $14.32

    5/16" x 1/2" x 1/16" Nylon Plastic Flat Washers (40 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 5/16"Diameter 2: 1/2"Thickness: 1/16"Material: NylonNominal Size: 5/16"Type: Nylon Mylar WasherBox of 40.

    Original price $14.32 - Original price $14.32
    Original price
    $14.32
    $14.32 - $14.32
    Current price $14.32
  • Original price $22.50 - Original price $22.50
    Original price
    $22.50
    $22.50 - $22.50
    Current price $22.50

    5/16" x 3/8" x 7/8" Chrome Plated Grade 2 Steel USS Flat Washers (16 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 3/8"Diameter 2: 7/8"Thickness: 5/64"Material: SteelFinish: ChromeThread Type: USSHardness: Grade 2Nominal Size: 5/16"Type: Flat WasherBox...

    View full details
    Original price $22.50 - Original price $22.50
    Original price
    $22.50
    $22.50 - $22.50
    Current price $22.50
  • Original price $22.36 - Original price $22.36
    Original price
    $22.36
    $22.36 - $22.36
    Current price $22.36

    5/16" x 11/32" x 11/16" Chrome Plated Grade 2 Steel SAE Flat Washers (16 pcs.)

    Monster Fastener
    10+ in stock

    Diameter: 11/32"Diameter 2: 11/16"Thickness: 1/16"Material: SteelFinish: ChromeThread Type: SAEHardness: Grade 2Nominal Size: 5/16"Type: Flat Washe...

    View full details
    Original price $22.36 - Original price $22.36
    Original price
    $22.36
    $22.36 - $22.36
    Current price $22.36