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1/2 inch length Flat Washers (ASME B18. 22.1)

Flat Washers, or just Plain Washers, are a flat annulus or ring, often of metal, used to spread the load from the head of a screwed fastening to the base material. Flat washers are used to increase the bearing surface of a nut or fastener's head thus spreading the clamping force over a larger area.

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
AbabaCAFlat WasherNylon (Polyamide)Plain#10 x 1/2#10 x 1/2 f/w .032 thk nylon b18.22.142340
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AbabaCAFlat WasherAluminumPlain3/16 x 1/23/16 x 1/2 rnd back-up wsh alum b18.22.111487
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AbabaCAFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/16 x 1/23/16 x 1/2 stainless steel back up washer b18.22.1548
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AbabaCAFlat WasherSteelZinc/Clear3/16 x 1/23/16 x 1/2 rnd back-up wsh stl znc b18.22.17600
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AbabaCAFlat WasherRubber, Buna-N, Neoprene etc.Plain1/4 x 1/21/4 x 1/2 solid neoprene wsh 3/32 thk b18.22.13400
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AbabaCAFlat WasherAluminumPlain1/4 x 1/21/4 x 1/2 rnd back-up wsh alum b18.22.11100
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AbabaCAFlat WasherNylon (Polyamide)Plain1/4 x 1/21/4 x 1/2 f/w .032 thk nylon b18.22.19052
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AbabaCAFlat WasherNylon (Polyamide)Plain1/4 x 1/21/4 x 1/2 f/w .062 thk nylon b18.22.11030
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AbabaCAFlat WasherNylon (Polyamide)Plain1/4 x 1/2 x 1/81/4 x 1/2 flat washer .125 thk nylon b18.22.1900
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AbabaCAFlat WasherNylon (Polyamide)Plain1/4 x 1/21/4 x 1/2 f/w .187 thk nylon b18.22.1200
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AbabaCAFlat WasherNylon (Polyamide)Plain5/16 x 1/25/16 x 1/2 f/w .032 thk nylon b18.22.16533
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AbabaCAFlat WasherNylon (Polyamide)Plain5/16 x 1/25/16 x 1/2 f/w .062 thk nylon b18.22.130
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AbabaCAFlat WasherNylon (Polyamide)Plain#10 x 1/2#10 x 1/2 f/w .062 thk nylon b18.22.1372
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AbabaCAFlat WasherSteelZinc/Clear.208 x 1/2.208 x 1/2 f/w .030 thk stl znc b18.22.11935
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GLFOHFlat WasherAluminumPlain3/16 x 1/2 x 1/16ba3/16x1/2x1/16 back-up alum b18.22.1 () () ()141
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GLFOHFlat WasherSteelZinc/Clear#8 x 1/2 x .04#8x1/2 od-.04 thick flat zinc b18.22.1 () () ()100
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GLFOHFlat WasherAluminumPlain3/16 x 1/23/16x1/2 rivet -aluminum b18.22.1 () () ()4500
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Irwin IndOntFlat WasherSteelZinc/Clear#8 x 1/2#8 x 1/2 unsloted wash hd type-a stl tap scw zinc trival clear b18.22.152000
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Irwin IndOntFlat WasherRubber, Buna-N, Neoprene etc.Plain3/16 x 1/2 x 3/32r050017t rubber black 3/16x1/2x3/32 b18.22.13500
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AbabaCAFlat WasherNylon (Polyamide)Plain#10 x 1/2#10 x 1/2 f/w .032 thk nylon b18.22.1500
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AbabaCAFlat WasherAluminumPlain3/16 x 1/23/16 x 1/2 rnd back-up wsh alum b18.22.1900
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AbabaCAFlat WasherSteelZinc/Clear3/16 x 1/23/16 x 1/2 rnd back-up wsh stl znc b18.22.11200
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AbabaCAFlat WasherFiberPlain1/4 x 1/21/4 x 1/2 fiber wsh .060 thk. black b18.22.1100
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AbabaCAFlat WasherAluminumPlain1/4 x 1/21/4 x 1/2 rnd back-up wsh alum b18.22.1500
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AbabaCAFlat WasherNylon (Polyamide)Plain1/4 x 1/21/4 x 1/2 f/w .032 thk nylon b18.22.1600
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AbabaCAFlat WasherNylon (Polyamide)Plain1/4 x 1/21/4 x 1/2 f/w .062 thk nylon b18.22.1200
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AbabaCAFlat WasherNylon (Polyamide)Plain5/16 x 1/25/16 x 1/2 f/w .062 thk nylon b18.22.1200
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AbabaCAFlat Washer316, 317, A4 StainlessPlain#10 x 1/2#10 x 1/2 flat washer 316 s/s b18.22.1200
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JET FITTINGCAFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10 x 1/2#10x1/2 neo bonded f/w 18-8 1-NEO-10 b18.22.1500
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QFCTXFlat WasherNylon (Polyamide)Plain1/4 x 1/21/4 odx1/2 odx1/4 thick nylon flat b18.22.1123
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B & K FASTPAFlat WasherCopperPlain1/4 x 1/2 x 1/321/4 x 1/2 x 1/32 copper flat washers b18.22.17
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Marine FastenersFLFlat Washer316, 317, A4 StainlessPlain#10 x 1/2 x .050#10 flat 1/2 od .050 thick 316ss 316ss b18.22.139050
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OSSCORIFlat WasherNylon (Polyamide)Plain.317 x 1/2 x .032nylon .317x1/2x.032 thk b18.22.11,878
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OSSCORIFlat WasherSteelPlain17/64 x 1/2 x 1/1617/64x1/2x1/16 flat plain steel b18.22.1500
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Mid-ValleyCAFlat WasherAluminumPlain1/4 x 1/2 x 1/4flat washer b18.22.1inquire
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THRDFASTALFlat WasherSteelPlain10 x 1/2spec. dim. f/w 7/32 thk b18.22.19
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FACCAOntFlat WasherSteelZinc/Clear#10 .216 x 1/2 x .042flat washer round for bolt #10 .216 id x 1/2 od x .042 thk steel zinc plated b18.22.12,139
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