FCH News

#8 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 
Irwin IndOntFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8#8 18-8 st/st flat washer b18.22.1100
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Irwin IndOntFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8#8 st/st (316 a4) flat washer 3/8 od x .022-.041 thick b18.22.12000
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Irwin IndOntFlat WasherNylon (Polyamide)Plain#8#8 flatwashers nylon .062 # 16fw008062 b18.22.15500
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Irwin IndOntFlat Washer316, 317, A4 StainlessPlain#8# 8 flat 316 stainless steel b18.22.11820
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GLFOHFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8#8 flat 18-8 s/s ms-807 b18.22.1 () () ()1784
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GLFOHFlat WasherSteelZinc/Clear#8 x 1/2 x .04#8x1/2 od-.04 thick flat zinc b18.22.1 () () ()1300
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GLFOHFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated#8#8 (.18-8 304 s/sx.375x.049) ss flat/ 304ss MS15795-807 b18.22.1 () () ()240
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GLFOHFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated#8#8 (.18-8 304 s/sx.438x.049) ss flat/ 304ss MS15795-841 b18.22.1 () () ()3955
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GLFOHFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8 x 5/16 x .032#8x5/16x.032 flat -nas 620-304 18-8 304 b18.22.1 () () ()9700
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GLFOHFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated#8 x . x .032#8 (.169x.304x.032) ss flat/ black/oxi 304ss NAS620-C8P b18.22.1 () () ()8900
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AbabaCAFlat WasherSteelPlain#8#8 reg series f/w steel yel plt (3/8 od) b18.22.14976
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AbabaCAFlat WasherSteelPlain#8#8 lite series f/w steel yel plt (3/8 od) b18.22.1300
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AbabaCAFlat WasherBrassNickel Plated#8#8 flush type washer nickel on brass 100 per box b18.22.15
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AbabaCAFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8#620 f/w #8 s/s (.169 x .304 x .032) b18.22.12372
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AbabaCAFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8#8 flat washers stainless b18.22.12096
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AbabaCAFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8#8 lite flat washer stainless b18.22.1141
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AbabaCAFlat WasherFiberPlain#8 x 3/8#8 x 3/8 fiber wsh b18.22.11000
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AbabaCAFlat WasherNylon (Polyamide)Plain#8 x 3/8#8 x 3/8 f/w .032 thk nylon b18.22.11066
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AbabaCAFlat WasherNylon (Polyamide)Plain#8 x 3/8#8 x 3/8 f/w .062 thk nylon b18.22.1657
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AbabaCAFlat WasherNylon (Polyamide)Plain#8 x 3/8#8 x 3/8 f/w stamped (not molded) .032 thk nylon b18.22.1638
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AbabaCAFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8 x 3/8#8 x 3/8 flat washer .062 thk s/s b18.22.12650
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AbabaCAFlat Washer316, 317, A4 StainlessPlain#8#8 f/w 316 s/s b18.22.11200
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AbabaCAFlat WasherBrassPlain#8 x 7/16#8 x 7/16 od flat washer (large) brass b18.22.11711
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AbabaCAFlat WasherBrassNickel Plated#8#8 flat washer small brass nickel pltd b18.22.1630
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AbabaCAFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8#8 f/w s/s b18.22.126038
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AbabaCAFlat WasherNylon (Polyamide)Plain#8 x 3/8#8 x 3/8 flat washer black .032 thk nylon b18.22.11829
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AbabaCAFlat WasherBrassPlain#8#8 f/w small brass b18.22.115
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AbabaCAFlat WasherSteelPlain#8#8 reg series f/w steel yel plt (3/8 od) b18.22.1400
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AbabaCAFlat WasherBrassNickel Plated#8#8 flush type washer nickel on brass 100 per box b18.22.11
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AbabaCAFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8#620 f/w #8 s/s (.169 x .304 x .032) b18.22.1500
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Alma BoltMIFlat WasherNylon (Polyamide)Plain#8#8 (.177 x .408 x .062) nylon flat washer natural b18.22.1600
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SIIINFlat WasherSteelPhosphate#8 x 1 1/2#8x1-1/2 quadrex round deep thread black phosphated c1022 hardened 6 000 per box b18.22.1217069
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SIIINFlat WasherSteelPhosphate#8 x 3#8 x 3 quadrex round washer deep thread c1022 hardened black phosphated 2 000 per box b18.22.1220713
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SIIINFlat WasherSteelBlack Oxide#8 x 3/4#8 x 3/4 round washer quadrew deep thread black oxide 13 000 per box b18.22.1500435
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SIIINFlat WasherSteelZinc/Clear#8 x 1 1/2#8 x 1-1/2 quad round washer deep thread zinc b18.22.16800
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SIIINFlat WasherSteelPhosphate#8 x 1 1/4#8 x 1-1/4 round washer quadrew deep thread black phos c1022 hard 8 500 per box b18.22.1283713
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SIIINFlat WasherSteelPhosphate#8 x 1 3/4#8 x 1-3/4 round washer quadrex deep thread black phos 6 000 per box b18.22.1212417
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SIIINFlat WasherSteelBlack Oxide#8 x 1#8 x 1 round washer deep thread black oxide c1022 hard 11 000 per box b18.22.1232500
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SIIINFlat WasherSteelPhosphate#8 x 2 1/2#8 x 2-1/2 round washer quadrew deep thread black phos c1022 hard 3 200 per box b18.22.1119060
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SIIINFlat WasherSteelPhosphate#8 x 2 1/4#8 x 2-1/4 round washer quadrew deep thread black phos c1022 hard 3 500 per box b18.22.1103566
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SIIINFlat WasherSteelPhosphate#8 x 2#8 x 2 round washer quadrew deep thread black phos c1022 hard 4 500 per box b18.22.1158700
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JET FITTINGCAFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-807#8 f/w 18-8-807 1-W-807 b18.22.114893
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JET FITTINGCAFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8 x .500 x .047#8x.500x.047 flat stainless steel 18-8 8FW SS b18.22.12050
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JET FITTINGCAFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8an960c8/nas1149cn832r #8 fw ss AN960C8D b18.22.111919
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JET FITTINGCAFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8 x .375 x .032#8x.375x.032 flat stainless steel 18-8 NAS1149CN832R b18.22.11300
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JET FITTINGCAFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8 x .260flat #8 18-8 304 steel .260x.005 5710-37-5 b18.22.13042
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JET FITTINGCAFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8 x 3/8 x 0.016#8x3/8x0.016 flt wash a2 (18-8) an9 397060 b18.22.11065
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JET FITTINGCAFlat WasherNylon (Polyamide)Plain#8 x .375 x .062#8x.375x.062 flat nylon 6/6 natural WF0375-0171-0062 b18.22.12100
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JET FITTINGCAFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8 x .174960c8 #8 .174x.375x.032 commercial f/w 18-8 ss 1-W-8 b18.22.1577
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JET FITTINGCAFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated#8ms15795-841 #8 fw .18-8 304 s/s x .438 x .049 18-8 ss 304ss MS15795-841 b18.22.18800
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QFCTXFlat WasherNylon (Polyamide)Plain#8 x 0.375#8 nylon 0.375x0.31 flat b18.22.1400
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QFCTXFlat WasherSteelZinc/Clear#8 x 2 1/8#8x2 1/8 e-z toggle face zinc b18.22.1250
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QFCTXFlat WasherSteelPlain#8 x 18 x 1/2#8-18x1/2 hd#10 dia b18.22.115560
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QFCTXFlat WasherSteelZinc/Clear#8 x 3/4#8x3/4 rnd head klath sharp znc b18.22.124000
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QFCTXFlat WasherSteelZinc/Clear#8#8 type-b narrow flat zinc b18.22.12000
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QFCTXFlat WasherSteelZinc/Clear#8#8 type-b narrow flat zinc b18.22.14632
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QFCTXFlat WasherSteelZinc/Clear#8#8 type-b regular flat trivalent b18.22.16802
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QFCTXFlat WasherSteelZinc/Clear#8#8 type-b regular flat trivalent b18.22.11398
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QFCTXFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8#8 type-b regular flat 18-8 b18.22.110750
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QFCTXFlat WasherSteelZinc/Yellow#8#8 grounding zinc/yellow b18.22.175
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QFCTXFlat WasherSteelNickel Plated#8#8 flat steel with nickel plate 0.00004 min b18.22.120000
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QFCTXFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated#8.187x.375x.036-.065 flat 18-8 (#8) 304ss MS15795-807 b18.22.15
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QFCTXFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8 x .#8 .18-8 304 s/sx.438x.036-.065thk flat 18-8 b18.22.11385
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QFCTXFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8 x .#8 .18-8 304 s/sx.438x.036-.065thk flat 18-8 b18.22.11000
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QFCTXFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8 x .#8 .18-8 304 s/sx.438x.036-.065thk flat 18-8 b18.22.1460
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QFCTXFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8 x .#8 .18-8 304 s/sx.438x.036-.065thk flat 18-8 b18.22.1551
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QFCTXFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8 x .#8 .18-8 304 s/sx.438x.036-.065thk flat 18-8 b18.22.1400
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QFCTXFlat Washer316, 317, A4 StainlessPlain#8#8 type-b narrow flat 316 stainless steel b18.22.11869
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B & K FASTPAFlat WasherBrassPlain#8 x 7 x .441#8 x 7/16 brass flat washers .172 x .441 x .039 b18.22.1187
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B & K FASTPAFlat WasherSteelZinc/Clear#8#8 flat washers zinc b18.22.1372
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B & K FASTPAFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8#8 flat washers stainless b18.22.13500520
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OSSCORIFlat WasherAluminumPlain#8#8 rivet burr alum b18.22.16,450
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QFCTXFlat WasherSteelZinc/Yellow#8#8 tyb regular flatwasher trivalent z/y b18.22.13500
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QFCTXFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8#8 flat washer 18-8 s/s nas 620 b18.22.19750
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QFCTXFlat WasherSteelZinc/Clear#8#8 type-b wide flat washer trivalent zinc b18.22.15000
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QFCTXFlat WasherSteelZinc/Clear#8 x 1 1/4#8x1-1/4 round washer head type-17 zinc b18.22.19480
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BCSBCAFlat WasherBrassPlain#8#8l flat washer brass b18.22.1225,000
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JET FITTINGCAFlat WasherNylon (Polyamide)Plain#8 x .75 x .040 6/6#8x.75x.040 flat washer nylon 6/6 natural b18.22.115990
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JET FITTINGCAFlat WasherNylon (Polyamide)Plain#8 x .343 x .020 6/6#8x.343x.020 flat washer nylon 6/6 natural b18.22.1800
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JET FITTINGCAFlat WasherSteelBlack Oxide#8washer flat #8 black oxide and wax .375x.032 b18.22.152550
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JET FITTINGCAFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8 x .375 x .032#8x.375x.032 flat washer stainless steel 18-8 b18.22.14500
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JET FITTINGCAFlat WasherSteelZinc/Clear#8 x .375 x .032washer flat #8x.375x.032 steel zinc plated b18.22.142721
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JET FITTINGCAFlat WasherSteelBlack Oxide#8washer flat #8 black oxide and wax .375x.037 b18.22.184300
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JET FITTINGCAFlat WasherSteelBlack Oxide#8washer flat #8 black oxide and wax .437x.032 b18.22.132423
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JET FITTINGCAFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Black Oxide#8washer flat #8 black oxide and wax .437x.032 stainless steel b18.22.11400
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JET FITTINGCAFlat WasherSteelZinc/Clear#8 x .437 x .046washer flat #8x.437x.046 steel zinc plated b18.22.137250
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JET FITTINGCAFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8washer flat #8 stainless steel .304x.032 b18.22.11350
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JET FITTINGCAFlat WasherSteelPlain#8washer flat #8 cadmium plated yellow .375x.016dfar certs required b18.22.1438
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JET FITTINGCAFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8washer flat #8x.375x.049 stainless steel b18.22.11258
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JET FITTINGCAFlat WasherNylon (Polyamide)Plain#8 x .375 x .062 6/6#8x.375x.062 flat washer nylon 6/6 natural b18.22.11138
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JET FITTINGCAFlat WasherBrassPlain#8washer flat #8 br .437x.046 #8l b18.22.1350
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THRDFASTOKFlat Washer300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8ms15795-807 18-8 s 304ss b18.22.1200
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