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Rubber Washers

The outside diameter dimensions listed as standard are based on “Pan Head” metal screw dimensions delineated in U.S.A.S. B 19.6.4. The outside diameters listed as optional are based on standard S.A.E. steel washers common to the trade.Standard thickness is 3/32”, additional thicknesses are available.

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SCREW SIZE PART NUMBER  OUTSIDE DIAMETER INSIDE DIAMETER
#6 STANDARD R 0250 12 T 1/4” .120”
#6 OPTIONAL R 0375 12 T 3/8” .120”
#8 STANDARD R 0313 15 T 5/16” .150”
#8 OPTIONAL R 0438 15 T 7/16” .150”
#10 STANDARD R 0375 17 T 3/8” .170”
#10 OPTIONAL R 0500 17 T 1/2” .170”
#12 STANDARD R 0438 20 T 7/16” .195”
#12 OPTIONAL R 0562 20 T 9/16” .195”
#14 STANDARD R 0500 23 T 1/2” .230”
#14 OPTIONAL R 0625 23 T 5/8” .230”
5/16” STANDARD R 0562 29 T 9/16” .290”
5/16” OPTIONAL R 0688 29 T 11/16” .290”
3/8” STANDARD R 0625 35 T 5/8” .355”
3/8” OPTIONAL R 0812 35 T 13/16” .355”
1/2” STANDARD R 1062 49 T 1-1/16” .490”
5/8” OPTIONAL R 1312 62 T 1-5/16” .615”
3/4” STANDARD R 1500 74 T 1-1/2” .740”
1” OPTIONAL R 2000 99 T 2” .990”

All E.P.D.M. washers are packed 1,000 pieces per poly-bag unit. All purchases may be combined for quantity pricing breaks. Although we have established E.P.D.M. as the standard product, all of the above sizes are available in other medias normally used to solve problems of cushioning, sealing, abrasion or dampening.

 

   
 
   
 
 
 
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