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Imperial Washers 1/2 inch in Bright Zinc Plated (BZP) Steel

This page lists all the various types of Imperial Washers 1/2 inch in Bright Zinc Plated (BZP) Steel that we currently offer. Use this page to help select suitable washers for 1/2 inch UNC or UNF bolts or screws.

The accompanying flat washer dimension table allows convenient comparison between the available 1/2 flat washer dimensions. The table only includes flat washers and, for completeness, may include washers only available in other materials.
1/2 Flat Washer Dimensions (inch)
Type inner
diameter
outer
diameter
thickness
Table 3
BS 3410
0.515-0.520 0.995-1.000 0.056
SAE
ASME B18.21.1-1999
0.531 1.062 0.093
USS
ASME B18.21.1-1999
0.562 1.375 0.109
Commercial 0.573-0.558 1.260-1.245 0.057-0.067
US Military
Spec 15795 v1
0.531 1.062 (1 1/16") 0.095
US Military
Spec 15795 v2
0.562 1.375 (1 3/8") 0.109
Fender v1 1/2 1 1/4 0.05
Fender v2 1/2 1 1/2 0.05
Fender v3 1/2 1 3/4 0.05
Fender v4 1/2 2 0.05
Westfield Fasteners Ltd 2025
1/2 Flat Washer Dimensions (inch)
Type inner
diameter
outer
diameter
thickness
Table 3
BS 3410
0.515-0.520 0.995-1.000 0.056
SAE
ASME B18.21.1-1999
0.531 1.062 0.093
USS
ASME B18.21.1-1999
0.562 1.375 0.109
Commercial 0.573-0.558 1.260-1.245 0.057-0.067
US Military
Spec 15795 v1
0.531 1.062 (1 1/16") 0.095
US Military
Spec 15795 v2
0.562 1.375 (1 3/8") 0.109
Fender v1 1/2 1 1/4 0.05
Fender v2 1/2 1 1/2 0.05
Fender v3 1/2 1 3/4 0.05
Fender v4 1/2 2 0.05
Westfield Fasteners Ltd 2025
Image Description Sale Qtys Qty Price Breakdown Despatch Estimate
Fender Washer 1/2 x 1-1/4 od in Zinc Plated Steel
WF29288
- 780 in stock
sachet of 2 for £1.36
or box of 100 for £9.51
or bulk of 500 for £36.89
£0.00  
Fender Washer 1/2 x 1-1/2 od in Zinc Plated Steel
WF29289
- 1749 in stock
single washer for £2.12
or box of 80 for £21.56
or bulk of 400 for £73.02
£0.00  
Fender Washer 1/2 x 2 od in Zinc Plated Steel
WF29291
- 127 in stock
single washer for £2.54
or box of 50 for £19.99
or bulk of 250 for £68.01
£0.00  
1/2 SAE Flat Washer inch in Zinc Plated Steel
WF39015
- 15980 in stock
sachet of 2 for £2.01
or box of 150 for £19.67
or bulk of 750 for £67.04
£0.00  
1/2 Shakeproof Lock Washer External Tooth inch in Zinc Plated Steel
WF29209
- 3697 in stock
sachet of 2 for £1.80
or box of 200 for £21.49
or bulk of 1000 for £75.02
£0.00  
1/2 Spring Washer inch in Zinc Plated Steel
WF28596
- 1232 in stock
sachet of 2 for £1.82
or box of 100 for £11.71
or bulk of 500 for £44.33
£0.00  
1/2 USS Flat Washer inch in Zinc Plated Steel
WF32460
- 7175 in stock
single washer for £1.54
or box of 80 for £16.44
or bulk of 400 for £57.26
£0.00  
sachet of 2 for £1.36
or box of 100 for £9.51
or bulk of 500 for £36.89
£0.00
 
single washer for £2.12
or box of 80 for £21.56
or bulk of 400 for £73.02
£0.00
 
single washer for £2.54
or box of 50 for £19.99
or bulk of 250 for £68.01
£0.00
 
sachet of 2 for £2.01
or box of 150 for £19.67
or bulk of 750 for £67.04
£0.00
 
sachet of 2 for £1.80
or box of 200 for £21.49
or bulk of 1000 for £75.02
£0.00
 
sachet of 2 for £1.82
or box of 100 for £11.71
or bulk of 500 for £44.33
£0.00
 
single washer for £1.54
or box of 80 for £16.44
or bulk of 400 for £57.26
£0.00
 
Prices are subject to quantity discounts based on a sliding scale. Enter the desired quantity in the relevant box in the table above. This will automatically calculate a line price indicating the applicable rate for the quantities selected. All prices shown exclude VAT.
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