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USS Round Flat Washers are a general purpose steel flat washer suitable for use in many Construction and MRO applications. USS dimension washers, having a bigger outside dimension than their SAE counterparts, provide an increased load bearing surface that distributes fastener clamp load over a larger area and assists in providing a secure, trouble-free connection. USS flat washers are made to the dimensional requirements of ASME B18.21.1 Type A Wide Series, Regular.

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1-5/8
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1-5/8" Plain USS Flat Washer

162NWUS

$1.75 /Each

3/8
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3/8" Plain USS Flat Washer

37NWUS

$2.79 /Box of 100
Only $0.03 Each

5/8
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5/8" Hot-Dip Galvanized USS Flat Washer

62NWUSG

$25.63 /Box of 100
Only $0.26 Each

2-1/2
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2-1/2" Plain USS Flat Washer

250NWUS

$3.55 /Each

5/16
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5/16" Yellow Zinc USS Flat Washer Thru-Hardened (Grade 8)

31NWUS8Z

$7.29 /Box of 100
Only $0.07 Each

1-1/8
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1-1/8" Hot-Dip Galvanized USS Flat Washer

112NWUSG

$22.57 /Box of 25
Only $0.90 Each

2-1/2
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2-1/2" Zinc Plated USS Flat Washer

250NWUSZ

$3.95 /Each

2-1/4
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2-1/4" Plain USS Flat Washer

225NWUS

$3.00 /Each

1
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1" Plain USS Flat Washer

100NWUS

$22.00 /Box of 50
Only $0.44 Each

1/2
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1/2" Hot-Dip Galvanized USS Flat Washer

50NWUSG

$15.21 /Box of 100
Only $0.15 Each

3/8
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3/8" Hot-Dip Galvanized USS Flat Washer

37NWUSG

$6.70 /Box of 100
Only $0.07 Each

1
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1" Hot-Dip Galvanized USS Flat Washer

100NWUSG

$39.38 /Box of 50
Only $0.79 Each

1-3/4
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1-3/4" Plain USS Flat Washer

175NWUS

$1.75 /Each

1/4
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1/4" Hot-Dip Galvanized USS Flat Washer

25NWUSG

$3.35 /Box of 100
Only $0.03 Each

1-1/2
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1-1/2" Plain USS Flat Washer

150NWUS

$28.84 /Box of 25
Only $1.15 Each

2
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2" Hot-Dip Galvanized USS Flat Washer

200NWUSG

$75.38 /Box of 25
Only $3.02 Each

5/16
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5/16" Hot-Dip Galvanized USS Flat Washer

31NWUSG

$4.86 /Box of 100
Only $0.05 Each

9/16 Yellow Zinc USS Flat Washer Thru-Hardened (Grade 8)
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9/16 Yellow Zinc USS Flat Washer Thru-Hardened (Grade 8)

56NWUS8Z

$24.77 /Box of 100
Only $0.25 Each

1-1/4
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1-1/4" Plain USS Flat Washer

125NWUS

$19.09 /Box of 25
Only $0.76 Each

3
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3" Plain USS Flat Washer

300NWUS

$4.15 /Each

1-1/2
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1-1/2" Hot-Dip Galvanized USS Flat Washer

150NWUSG

$39.36 /Box of 25
Only $1.57 Each

1/2
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1/2" Plain USS Flat Washer

50NWUS

$7.47 /Box of 100
Only $0.07 Each

7/8
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7/8" Plain USS Flat Washer

87NWUS

$17.43 /Box of 50
Only $0.35 Each

1-3/4
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1-3/4" Hot-Dip Galvanized USS Flat Washer

175NWUSG

$2.75 /Each

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