Flat Washer (ASME 18.22.1)
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.
Flat Washer (b18.22.1), showing 200, (click on any line for more information)
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| Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
| Endries | WI | Flat Washer | Steel | Zinc/Clear | 1 5/8 | 1-5/8 standard flat washer zinc (1.740x3.74x.153) | 80 |
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| Endries | WI | Flat Washer | Nylon (Polyamide) | Plain | #10 | #10 black nylon flat washer .062 thick | 1000 |
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| Endries | WI | Flat Washer | Steel | Zinc/Clear | M10 | m10 thick flat washer trivalent clear zinc 10.5x25x2 | 900 |
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| Endries | WI | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Black Oxide | 1/4 | an960-c416l 1/4 18-8 stainless steel flat washer chemical black oxide | 4000 |
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| NAPPCO | TX | Flat Washer | Steel | Zinc/Clear | 1/2 | 1/2 f/w stl zp .581/.571 id .937/.927 od | 22033 |
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| NAPPCO | TX | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .406 x 1.36 x .188 | 3/8 fw .406id 1.36od .188thk 1050 | 500 |
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| NAPPCO | TX | Flat Washer | Nylon (Polyamide) | Plain | .317 x .500 x .032 | 5/16 flatwashernylon.317id.500od .032thk | 149950 |
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| NAPPCO | TX | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-.115 x .270 x .016 | #4 washer s/s +-.115 id .270 od .016 thk | 1926 |
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| NAPPCO | TX | Flat Washer | Steel | Plain | 3/8 flatwasher plain steel 1008/1010 | 1537 |
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| NAPPCO | TX | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4-.125 x .189 x .030 | #4 washer s/s +-.125 id .189 od .030 thk | 8927 |
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| NAPPCO | TX | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8.4062 x 1.37 x 062 | 3/8flatwashers/s18-8.4062id1.37od.062thk | 842 |
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| NAPPCO | TX | Flat Washer | Steel | Plain | 9/16 flat washer steel 1-1/2od 5/8 id | 6214 |
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| NAPPCO | TX | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-.504 x .751 x .020 | 1/2 washer s/s+-.504 id .751 od .020 thk | 3050 |
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| NAPPCO | TX | Flat Washer | Rubber, Buna-N, Neoprene etc. | Plain | #10 | f/w #10 neoprene.187+/-.007id.500+/-.015od | 2125 |
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| NAPPCO | TX | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #6-.165 x .250 x .030 | #6 washer s/s +-.165 id .250 od .030 thk | 1100 |
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| NAPPCO | TX | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .38 x .75 x .062 1200 301 | compwasher .38x.75x.062 1200lbs 301ss | 400 |
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| NAPPCO | TX | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4 | #4 flatwasher s/s t304 .116 id .250 od. | 5182 |
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| NAPPCO | TX | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-.200 x .750 x .048 | #10 washer s/s +-.200 id .750 od .048thk | 1010 |
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| NAPPCO | TX | Flat Washer | Copper | Plain | .430 x 1.125 x .0625 | f/w copper .430 id 1.125 od .0625 thk | 58 |
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| NAPPCO | TX | Flat Washer | Copper | Plain | .562 x 1.370 x .080 | 9/16 f/w copper.562 id 1.370 od .080 thk | 105 |
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| NAPPCO | TX | Flat Washer | 316, 317, A4 Stainless | Plain | f/w s/s t316 .313 bolt.875 od x.375 id | 163 |
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| NAPPCO | TX | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Black Oxide | #4 | #4 f/w typeb narrow s/s 18-8.black oxide | 2900 |
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| NAPPCO | TX | Flat Washer | Brass | Nickel Plated | #647 x .312 | #6 fw smpat brass nickelpltd l47id.312od | 18600 |
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| NAPPCO | TX | Flat Washer | Nylon (Polyamide) | Plain | #10 . x .375 x .062 | #10 flatwasher nylon.194id.375od .062thk | 95 |
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| Cal Fastenrs | CA | Flat Washer | Steel | Cadmium/Yellow | #2 | .094 x .250 x .020 steel flat washer zinc and gold ms27183-2 | 3,700 |
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| Cal Fastenrs | CA | Flat Washer | Nylon (Polyamide) | Plain | .152 x .375 x .10 | .152id x.375od x.10 thick nylon f/w nylon f/w | 5,000 |
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| Cal Fastenrs | CA | Flat Washer | Steel | Plain | .188 x .375 x .049 | .188 id x .375 od x .049 thick flat washer cadmium yellow ms27183-7 | 1,000 |
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| Cal Fastenrs | CA | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .250 x 9/16 x .045 | .250 id x 9/16 od .045 (#12 commercial f/w)s.s. | 200 |
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| Cal Fastenrs | CA | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .483 x .878 x .010 | .483 id x .878 od x .010 thick-s.s. f/w f/w | 435 |
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| Cal Fastenrs | CA | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | an-960-c1216l.765 x 1.312 x .031-s.s. f/w an f/w | 95 |
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| Cal Fastenrs | CA | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .812 x 2.000 x .110 | ms-15795-823 (.812 x 2.00 x .148)s.s f/w ms f/w | 16 |
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| American | NY | Flat Washer | Brass | Plain | #2 x 3/8 x .036 | fl pl | 3500 |
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| American | NY | Flat Washer | Steel | Zinc/Clear | #2 x 1/4 x .032 | fl zp | 18900 |
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| American | NY | Flat Washer | Steel | Nickel Plated | 3/8-.405 x 13/16 x .080 | f/w pl | 1400 |
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| American | NY | Flat Washer | Steel | Plain | #3 x 7/32 x .020 | fl black | 17300 |
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| American | NY | Flat Washer | Steel | Zinc/Clear | #3 .105 x 1/4 x .032 | #3 (.105) x 1/4 x .032 fl zp | 1000 |
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| American | NY | Flat Washer | Steel | Zinc/Yellow | 3# x 1/4 x 1/32 | fl | 600 |
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| American | NY | Flat Washer | Steel | Zinc/Clear | #3 .100 x 1/4 x .042 | #3 (.100) x 1/4 x .042 fl zp | 5700 |
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| American | NY | Flat Washer | Steel | Zinc/Yellow | #3 .109 x 1/4 x .016 | #3 (.109) x 1/4 x .016 fl | 41500 |
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| American | NY | Flat Washer | Steel | Zinc/Clear | #3 .100 x 5/16 x .016 | #3 (.100) x 5/16 x .016 fl zp | 19000 |
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| American | NY | Flat Washer | Steel | Cadmium | #3 x 9/32 x .038 | fl cad pl | 8000 |
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| American | NY | Flat Washer | Steel | Plain | #3 x 9/32 x .021 | fl | 4000 |
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| American | NY | Flat Washer | Steel | Plain | #3 .108 x 5/8 x .040 | #3 (.108) x 5/8 x .040 f/w | 15000 |
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| American | NY | Flat Washer | Steel | Zinc/Clear | #3 .110 x 3/8 x 1/32 | #3 (.110) x 3/8 x 1/32 f/w zp | 1000 |
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| American | NY | Flat Washer | Steel | Cadmium/Yellow | #4 x 9/32 x .021 | fl cad | 3000 |
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| American | NY | Flat Washer | Steel | Nickel Plated | #4 x 3/16 x .032 | fl pl | 1000 |
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| American | NY | Flat Washer | Steel | Plain | #4 x 3/16 x .037 | flat | 7400 |
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| American | NY | Flat Washer | Steel | Plain | #4 x 7/32 x .060 | flat lead | 2100 |
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| American | NY | Flat Washer | Steel | Zinc/Clear | .473 x 1.00 x .073 | flat pl | 3100 |
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| American | NY | Flat Washer | Steel | Zinc/Clear | #4.103 x 1/4 x .040 | #4(.103) x 1/4 x .040 f/w zp | 85000 |
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| American | NY | Flat Washer | Steel | Plain | 3 | $ (.120) x .25 x 1/2 f/w black | 20000 |
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| THRDFAST | FL | Flat Washer | Nylon (Polyamide) | Plain | 3/8 x 5/8 3/8 | 3/8x5/8 3/8 thk b18.22.1 | 428 |
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| THRDFAST | FL | Flat Washer | Steel | Zinc/Yellow | 3/8 | flat double thk b18.22.1 | 424 |
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| THRDFAST | FL | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8 x 3/4 | 18-8 ss spec. dim. f/w 1/8thk b18.22.1 | 410 |
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| THRDFAST | FL | Flat Washer | Rubber, Buna-N, Neoprene etc. | Plain | 1/4 | rubber (neo) b18.22.1 | 402 |
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| THRDFAST | FL | Flat Washer | Nylon (Polyamide) | Plain | 7/16 | flat b18.22.1 | 391 |
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| THRDFAST | FL | Flat Washer | Steel | Galvanized | M10 | USS f/w hdg din 125 | 375 |
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| THRDFAST | FL | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .812 x 2.000 x .110 | ms15795-823 18-8 s 304ss b18.22.1 | 245 |
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| THRDFAST | FL | Flat Washer | Steel | Zinc/Clear | M16 | flat din 7349 | 200 |
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| THRDFAST | FL | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M6 | a2 f/w | 166 |
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| THRDFAST | FL | Flat Washer | Nylon (Polyamide) | Plain | 3/8 x 5/8 | spec. dim f/w 50thk b18.22.1 | 100 |
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| THRDFAST | FL | Flat Washer | Nylon (Polyamide) | Plain | 3/8 x 5/8 | spec. dim. f/w .062thk b18.22.1 | 100 |
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| THRDFAST | FL | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10 | ms15795-809 18-8 s 304ss b18.22.1 | 100 |
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| THRDFAST | FL | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M4 | a2 f/w | 100 |
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| THRDFAST | FL | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4 | ms15795-804 18-8 s 304ss b18.22.1 | 171 |
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| THRDFAST | FL | Flat Washer | Nylon (Polyamide) | Plain | 3/8 | flat black b18.22.1 | 90 |
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| THRDFAST | FL | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 7/16 | ms15795-816 18-8 s 304ss b18.22.1 | 82 |
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| THRDFAST | FL | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1 1/8 | 18-8 ss f/w b18.22.1 | 78 |
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| THRDFAST | FL | Flat Washer | Steel | Plain | 1/4 | flat double thk b18.22.1 | 75 |
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| THRDFAST | FL | Flat Washer | Nylon (Polyamide) | Plain | 9/16 | flat b18.22.1 | 67 |
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| THRDFAST | FL | Flat Washer | 316, 317, A4 Stainless | Plain | #10 | t-316 ss f/w b18.22.1 | 50 |
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