Washers

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While metric threaded nuts, bolts and screws are not of course interchangeable with imperial equivalents, metric and imperial dimensioned washers often are (but not always). That is why some of the listed washers show both the imperial and metric bolt/screw/stud diameters that may be safely used with them.

       
Plain Standard Dia. Imperial Washers
Part No Bolt, Screw or Stud Dia. External Dia. Remarks
WA704061 0.138" (No 6) 19/64" Zinc
PWZ103 0.190" (No 10) 25/64" Zinc
PWZ104 1/4" 9/16" Zinc
PWZ105 5/16" 5/8" Zinc
PWZ106 3/8" 3/4" Zinc
PWZ107 7/16" 7/8" Zinc
WC600071 7/16" 1" Zinc
PWZ108 1/2" 1" Zinc
PWZ110 5/8" 1 1/4" Zinc
       
Plain Large Dia. (Repair) Imperial Washers
Part No Bolt, Screw or Stud Dia. External Dia. Remarks
PWZ203 0.190" (No 10) 5/8" Zinc
PWZ204 1/4" 3/4" Zinc
PWZ305 5/16" 7/8" Zinc
PWZ205 5/16" 1" Zinc
PWZ405 5/16" 1 1/4" Zinc
AJD7162 3/8" 1" Zinc
PWZ206 3/8" 1 1/4" Zinc
PWZ207 7/16" 1 1/2" Zinc
       
Plain Standard Dia. Metric Washers
Part No Bolt, Screw or Stud Dia. External Dia. Remarks
WA105001 5mm (M5) 10mm Zinc
WA106001 6mm (M6) 12mm Zinc
WA108051 8mm (M8) 17mm Zinc
WA110061 10mm (M10) 20mm Zinc
WA112081 12mm (M12) 25mm Zinc
       
Plain Large Dia. (Repair) Metric Washers
Part No Bolt, Screw or Stud Dia. External Dia. Remarks
WC104001 M4 10mm Zinc
WC105001 M5 16mm Zinc
WC106041 M6 20mm Zinc
WC108051 M8 25mm Zinc
       
Waved (Anti-Rattle) Washers
Part No Bolt, Screw or Stud Dia. External Dia. Remarks
AWZ104 1/4" or 6mm 9/16" Zinc
AWZ105 5/16" or 8mm  5/8" Zinc
AWN107 7/16" 7/8" Natural
       
Cup Washers - Imperial
Part No Bolt, Screw or Stud Dia. External Dia. Remarks
FWP306 0.138" (No 6) 9/32" (plain) Chrome
FWZ406 0.138" (No 6) 9/32" (flanged) Zinc
FWP406 0.138" (No 6) 9/32" (flanged) Chrome
       
Square Section Spring Washers
Part No Bolt, Screw or Stud Dia. External Dia. Remarks
WL700061 0.138" (No 6) 1/4" Zinc
WL700101 0.190" (No 10) or 5mm 21/64" Zinc
LWZ204 1/4" or 6mm 31/64" Zinc
LWZ205 5/16" or 8mm 9/16" Zinc
LWZ206 3/8" or 10mm 11/16" Zinc
LWZ207 7/16" 3/4" Zinc
LWZ208 1/2" or 12mm 7/8" Zinc
       
Internal Star Washers
Part No Bolt, Screw or Stud Dia. External Dia. Remarks
WF704061 0.138" (No 6) 1/4" Zinc
LWZ403 0.190" (No 10) or 5mm 25/64" Zinc
WF702105 0.190" (No 10) or 5mm 25/64" Black
LWZ404 1/4" or 6mm 1/2" Zinc
WF600040 1/4" or 6mm 1/2" Natural
WF600045 1/4" or 6mm 1/2" Black
LWZ405 5/16" or 8mm 39/64" Zinc
LWZ606 3/8" or 10mm 11/16" Zinc
LWZ410 5/8" or 16mm 1 1/16" Zinc
       
External Star Washers
Part No Bolt, Screw or Stud Dia. External Dia. Remarks
WE105001 M5 10mm Zinc
WE702101 0.190" (No 10) or 5mm 13/32" Zinc
LWZ504 1/4" or 6mm 1/2" Zinc
LWZ505 5/16" or 8mm 39/64" Zinc
LWZ506 3/8" or 10mm 11/16" Zinc
LWZ507 7/16" 3/4" Zinc
WE600101 5/8" or 16mm 1 1/16" Zinc

 

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