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 | Nylon (Polyamide) | Plain / Furnace Black | M6.62 x 12 x 1.80 | 17m06din34815 6.62x12x 1.80mm nylon flat washer natural | 7000 |
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| Endries | WI | Flat Washer | Steel | Zinc/Clear | .260/.270 x .493/.530 x .084/.090 | .260/.270x.493/.530x .084/.090 flat washer tri clr zinc 120 wh/144 red rust | 3900 |
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| Endries | WI | Flat Washer | Nylon (Polyamide) | Plain / Furnace Black | .531 x .74 x .187 | 17w07505 .531x.74x.187 nylon flat washer | 119 |
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| Endries | WI | Flat Washer | Galvanized | .556/.566 x 1.495/1.505 x .235/.265 | .556/.566x1.495/1.505x .235/.265 flat washer hot dip galvanized | 400 |
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| Century | FL | Flat Washer | Plain / Furnace Black | .938-1.75 | ms27183-25 | 344 |
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| Century | FL | Flat Washer | Plain / Furnace Black | #8 | ms15795-856 | 5130 |
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| Century | FL | Flat Washer | Nylon (Polyamide) | Plain / Furnace Black | .156 x .391 x .062 | nylon retaining washer #8 .156 x .391 x .062 volt# wr-0390-0152-0062 | 10000 |
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| Century | FL | Flat Washer | Nylon (Polyamide) | Plain / Furnace Black | 940053-1 rev.e special nylon flat washer per dwg. | 296 |
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| Century | FL | Flat Washer | Steel | Plain / Furnace Black | 1/4 x .812 x .109 | ms51412-23 washer flat .266 x 812 x .075-.119 | 294 |
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| Century | FL | Flat Washer | nas5102u4 | 1000 |
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| Century | FL | Flat Washer | Steel | nas662-2r7 | 50 |
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| Century | FL | Flat Washer | ms35208-4 | 150 |
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| Century | FL | Flat Washer | ms9380-18 | 200 |
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| Century | FL | Flat Washer | Steel | Plain / Furnace Black | 1/4 | ms9320-10 | 2808 |
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| Century | FL | Flat Washer | nas561c3-12 | 97 |
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| Century | FL | Flat Washer | Steel | Plain / Furnace Black | ms77069-1 | 74 |
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| Century | FL | Flat Washer | Steel | Plain / Furnace Black | ms9549-07 | 33 |
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| Century | FL | Flat Washer | nas1206-27 | 42 |
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| Century | FL | Flat Washer | nas1831c5c08 | 531 |
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| Century | FL | Flat Washer | nas1352n4-44 | 7 |
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| Century | FL | Flat Washer | nas1715c3kh | 12 |
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| Century | FL | Flat Washer | nas1453-4-095 | 550 |
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| Century | FL | Flat Washer | Steel | nas6606d92 bolt | 76 |
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| Century | FL | Flat Washer | b1867ed060160 | 7 |
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| Global | CA | Flat Washer | Steel | Plain / Furnace Black | M12 | flat | 660 |
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| Global | CA | Flat Washer | Steel | Plain / Furnace Black | 0.812 x 0.002 t0.260 | mw-812-260 delbert bl ins mica 0.812 odx0.002 thx0.260 id | 28 |
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| Global | CA | Flat Washer | Steel | Plain / Furnace Black | nas1640-2 washer | 590 |
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| Global | CA | Flat Washer | Steel | Nickel Plated | #4 | flat plate | 990 |
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| Global | CA | Flat Washer | Steel | Plain / Furnace Black | .31 | od x .125 id x .004thk kapton | 300 |
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| Global | CA | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | .102 x .175 x .016 | NAS620C3L | 32 |
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| RePneu To | MI | Flat Washer | Steel | Zinc/Clear | M6 | m6 thick flat washer zinc cr+3 din 7349 | 2424 |
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| RePneu To | MI | Flat Washer | Steel | Zinc/Clear | M8 | m8 thick flat washer zinc cr+3 din 7349 | 1408 |
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| OneMonroe | NC | Flat Washer | Brass | Plain / Furnace Black | #10 x 7/16 | #10 x 7/16 flat washer brass | 175 |
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| RePneu To | MI | Flat Washer | Steel | Zinc/Clear | M10 | m10 thick flat washer zinc cr+3 din 7349 | 879 |
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| RePneu To | MI | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | M8 x 17 x 1.6 | m8x17x1.6 a2 flat washers din 125a | 400 |
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| OneMonroe | NC | Flat Washer | Rubber, Buna-N, Neoprene etc. | Plain / Furnace Black | 1 1/4 | 1-1/4 rubber tip w/washer | 19 |
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| MAINSOURC | NH | Flat Washer | Nylon (Polyamide) | Plain / Furnace Black | M4 | flt wshr din 125a | 54 |
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| VIKING BO | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | 5/8 | ms15795-820 | 473 |
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| VIKING BO | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | 1710 |
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| VIKING BO | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | 1/2 | 269 |
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| American | NY | Flat Washer | Brass | Nickel Plated | 10 x 7/16 x 3/32 | 10 x 7/16 x 3/32 brass f/w nickel pl | 14800 |
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| American | NY | Flat Washer | Brass | Plain / Furnace Black | .265 x 9/16 x .040 | flat | 3715 |
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| American | NY | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | #10 x 7/16 x 032 | flat 18-8 304 | 1350 |
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| American | NY | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | 5/8 x 1 1/2 | flat 18-8 304 | 661 |
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| American | NY | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | 3/8 x .87 x .063 | flat 18-8 s/s | 50 |
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| American | NY | Flat Washer | Brass | Plain / Furnace Black | 14 11/16 x .260 x .051 | large pattern | 1005 |
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| American | NY | Flat Washer | 316, 317, A4 Stainless | Plain / Furnace Black | 1 1/4 | flat 316 | 31 |
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| American | NY | Flat Washer | Steel | Galvanized | 5/8 x 3 x 3 | thick hot dip plate | 14 |
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| ACCURATE | IL | Flat Washer | Steel | Plain / Furnace Black | 1/2 x 2 1/4 x 3/16 | flat plate | 96 |
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| ACCURATE | IL | Flat Washer | Steel | Plain / Furnace Black | 3/8 x 2 x 3/16 | flat plate | 220 |
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| ACCURATE | IL | Flat Washer | Steel | Plain / Furnace Black | 3/8 x 3/4 | flat (1/16 thick) (.375x.75x.0625) | 7800 |
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| ACCURATE | IL | Flat Washer | Steel | Painted | 1/2 x 1 1/2 | flat bronze | 800 |
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| ACCURATE | IL | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | 5/16 x 9/16 | flat s 18-8 304 ccc (.328x.562x.062) | 593 |
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| RCFast | AZ | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | M4 | flat 18-8 304 a2 din 125a | 4700 |
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| RCFast | AZ | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | M6 | flat 18-8 304 a2 din 125a | 9600 |
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| RCFast | AZ | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | M10 | flat 18-8 304 a2 din 125a | 1300 |
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| RCFast | AZ | Flat Washer | Steel | Zinc/Clear | M3 x 140 | M3 flat 140hv cr+3 din 125a | 9200 |
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| RCFast | AZ | Flat Washer | Steel | Zinc/Clear | M3.5 x 140 | M3.5 flat 140hv cr+3 din 125a | 2700 |
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| RCFast | AZ | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | 1/4 | flat 18-8 304 (x5/8x.045) | 2300 |
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| RCFast | AZ | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | #6 | flat 18-8 304 | 260 |
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| RCFast | AZ | Flat Washer | Steel | Zinc/Clear | #6 | flat type-b regular stl clear cr+3 | 8000 |
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| RCFast | AZ | Flat Washer | Rubber, Buna-N, Neoprene etc. | Plain / Furnace Black | #10 | flat neoprene-.375 od | 2000 |
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| RCFast | AZ | Flat Washer | Brass | Plain / Furnace Black | #8 | #8 flat (8l) 725 pcs per # | 3300 |
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| RCFast | AZ | Flat Washer | Steel | Zinc/Clear | #8 | flat type-b narrow stl clear rohs | 51050 |
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| RCFast | AZ | Flat Washer | Plastic | Plain / Furnace Black | 7 x 12.5 x 1.5 | in ptfe material | 2420 |
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| RCFast | AZ | Flat Washer | Rubber, Buna-N, Neoprene etc. | Plain / Furnace Black | 5/16 | flat epdm rubber | 4570 |
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| RCFast | AZ | Flat Washer | Nylon (Polyamide) | Plain / Furnace Black | 3/8 | flat | 450 |
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| YANKEE | NH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | M8.1 | flat washer-special-.318 id (8.1mm) x 0.594 od (15.1mm) x 0.060 tk (1.54mm) stainless steel | 576 |
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| YANKEE | NH | Flat Washer | Nylon (Polyamide) | Plain / Furnace Black | M16 | m16 flat washer (30mm od x 3mm tk) nylon 6/6 natural | 147 |
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| YANKEE | NH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | 1.00 x 067 x .718 | flat washer .718 id 1.00 od.067 tk-stainless steel | 227 |
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| YANKEE | NH | Flat Washer | Steel | Fluoropolymer-Based (Xylan, Fluorokote, Teflon) | .531 x 1.50 x .062 | flat washer teflon (ptfe) .531 id 1.50 od .062 tk | 203 |
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| YANKEE | NH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | 1/2 x 1.375 x 0.086 .132 | military spec flat washer 1/2 id 1.375 od 0.086-.132tk 18-8 stainless steel-usa made | 74 |
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| YANKEE | NH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | 3/4-0.812 x 2.00 x .122 .1 | military spec flat washer 3/4 (0.812 ) id x 2.00 od .122-.177 tk 18-8 stainless steel-usa made | 12 |
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| YANKEE | NH | Flat Washer | Steel | Zinc/Clear | M10-20 | m10 flat washer (20mm od) din125 steel zinc plated | 3790 |
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| YANKEE | NH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | M10 | m10 flat washer din125a a2 (18-8) stainless steel | 6093 |
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| YANKEE | NH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | M12 | m12 flat washer a4-s/s | 696 |
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| YANKEE | NH | Flat Washer | Steel | Zinc/Clear | M12 | m12 flat washer din125 zinc plated | 1545 |
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| YANKEE | NH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | M12 x 24 | m12 x 24 flat washer din125a a2 (18-8) stainless steel | 2599 |
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| YANKEE | NH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | M16 | m16 flat washer din125a a2 (18-8) stainless steel | 271 |
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| YANKEE | NH | Flat Washer | Aluminum | Plain / Furnace Black | M1.6 x 4 | m1.6 x 4mmod x .4mmtk flat washer-(din 125a) aluminum | 2227 |
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| YANKEE | NH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | M20 | m20 flat washer din125a a2 (18-8) stainless steel | 1446 |
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| YANKEE | NH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | M2 x 4.5 | m2 x 4.5 flat washer a4-s/s black | 17550 |
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| YANKEE | NH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | M2 x 4.5 | m2 x 4.5 flat washer a4-stainless stl passivate | 28185 |
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| YANKEE | NH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | M2 x 5 | m2 x 5 flat washer din125a a2 (18-8) stainless steel | 54274 |
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| YANKEE | NH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Black Oxide | M2.5 x 5 | m2.5 x 5 flat washer a4-stainless steel black oxide finish | 17980 |
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| YANKEE | NH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | M2.5 x 5 | m2.5 x 5 flat washer din 433 a2 (18-8) stainless steel passivated | 2776 |
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| YANKEE | NH | Flat Washer | 316, 317, A4 Stainless | Plain / Furnace Black | M2.5-6.00 | m2.5 flat washer (6mm od) din125 a4 (316) stainless steel | 7820 |
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| METRO IND | OH | Flat Washer | Steel | Zinc/Clear | M18 | thick flat din 7349 | 102 |
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| METRO IND | OH | Flat Washer | Steel | Zinc/Clear | M3.5 | m3.5 flat washer din 125 steel zinc | 22500 |
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| METRO IND | OH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | 5/16 | 5/16 tool slotted flat s/s | 50 |
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| METRO IND | OH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | #6 | #6 tool slotted flat s/s | 50 |
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| METRO IND | OH | Flat Washer | Steel | Plain / Furnace Black | M30 | m30 flat washer din 125 steel | 31 |
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| METRO IND | OH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | M5 | m5 thick flat washer din 7349 s/s | 1324 |
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| METRO IND | OH | Flat Washer | Steel | Plain / Furnace Black | M10 x 34 | m10 x 34 flat washer 5mm thick steel | 42 |
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| METRO IND | OH | Flat Washer | 316, 317, A4 Stainless | Plain / Furnace Black | 3/8 | flat 316 s/s | 3000 |
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| TownCountry | AR | Flat Washer | Steel | Zinc/Yellow | M08 | m08 flat washer std. yellow zinc | 30 |
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| Future Fastener | TX | Flat Washer | Brass | Plain / Furnace Black | m22 flat washer brass | 65 |
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| Ababa | CA | Flat Washer | Fiber | Plain / Furnace Black | #8 x 3/8 | #8 x 3/8 fiber wsh b18.22.1 | 1000 |
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| Ababa | CA | Flat Washer | Nylon (Polyamide) | Plain / Furnace Black | #8 x 3/8 | #8 x 3/8 f/w .032 thk nylon b18.22.1 | 1066 |
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| Ababa | CA | Flat Washer | Nylon (Polyamide) | Plain / Furnace Black | #8 x 3/8 | #8 x 3/8 f/w .062 thk nylon b18.22.1 | 657 |
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| Ababa | CA | Flat Washer | Nylon (Polyamide) | Plain / Furnace Black | #8 x 3/8 | #8 x 3/8 f/w stamped (not molded) .032 thk nylon b18.22.1 | 638 |
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| Ababa | CA | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | #8 x 3/8 | #8 x 3/8 flat washer .062 thk s/s b18.22.1 | 2650 |
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| Ababa | CA | Flat Washer | 316, 317, A4 Stainless | Plain / Furnace Black | #8 | #8 f/w 316 s/s b18.22.1 | 1200 |
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| Ababa | CA | Flat Washer | Brass | Plain / Furnace Black | #8 x 7/16 | #8 x 7/16 od flat washer (large) brass b18.22.1 | 1711 |
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| Ababa | CA | Flat Washer | Brass | Nickel Plated | #8 | #8 flat washer small brass nickel pltd b18.22.1 | 630 |
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| Ababa | CA | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | #8 | #8 f/w s/s b18.22.1 | 26038 |
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| Ababa | CA | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | #916 | #916 f/w s/s b18.22.1 | 375 |
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| Ababa | CA | Flat Washer | Copper | Plain / Furnace Black | 5/16 | 5/16 f/w copper b18.22.1 | 7943 |
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| Ababa | CA | Flat Washer | Steel | Fluoropolymer-Based (Xylan, Fluorokote, Teflon) | 3/8 x 13/16 | 3/8 x 13/16 f/w .031 thk teflon b18.22.1 | 700 |
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| Ababa | CA | Flat Washer | 316, 317, A4 Stainless | Plain / Furnace Black | 7/16 | 7/16 f/w 316 s/s b18.22.1 | 308 |
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| Ababa | CA | Flat Washer | Nylon (Polyamide) | Plain / Furnace Black | #4 x 1/4 | #4 x 1/4 f/w .062 thk nylon b18.22.1 | 2239 |
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| Ababa | CA | Flat Washer | Steel | Zinc/Yellow | 1/2 x 1 1/16 x 1/8 | 1/2 x 1 1/16 flat washer .125 thk hrd stl yellow z b18.22.1 | 1037 |
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| Ababa | CA | Flat Washer | 316, 317, A4 Stainless | Plain / Furnace Black | 1/2 x 1 1/4 | 1/2 x 1 1/4 flat washer .187 thk 316 s/s b18.22.1 | 180 |
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| Ababa | CA | Flat Washer | Steel | Galvanized | 1/2 x 1 1/2 | 1/2 x 1 1/2 flat washer .312 thk stl hdg b18.22.1 | 65 |
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| Ababa | CA | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | #2 | #620 f/w #2 s/s b18.22.1 | 4100 |
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| Ababa | CA | Flat Washer | 400 Stainless (405, 410,416,420,430 etc.) | Plain / Furnace Black | #416 | #620 f/w #416 s/s b18.22.1 | 1800 |
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| Ababa | CA | Flat Washer | Brass | Plain / Furnace Black | 5/8 | 5/8 f/w small brass b18.22.1 | 120 |
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| TownCountry | AR | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | #10 | flat 18-8 304 18-8 | 350 |
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| METRO IND | OH | Flat Washer | Steel | Plain / Furnace Black | M3.5 | M3.5 flat steelplain din 125 | 1000 |
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| YANKEE | NH | Flat Washer | Steel | Black Oxide | M5 | m5 black ultra corrosion resistant coated steel washer-5.3mm id x 10mm od | 84 |
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| SII | IN | Flat Washer | 316, 317, A4 Stainless | Plain / Furnace Black | 1/2 | 1/2 flat s stainless 316 b18.22.1 | 1100 |
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| YANKEE | NH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | M3 x 6 | m3 x 6 flat washer a4-stainless stl black | 6480 |
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| FTS | OH | Flat Washer | Steel | Zinc/Clear | #10 .209 x .500 x .063 | #10 fw .209id x.500od x.063thk printernal stl zn | 22040 |
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| Lubker Di | PA | Flat Washer | Steel | Zinc/Clear | #8 | #8 (eight) (.130 idx.375 odx.060/.065 thk) rivet burr wash zp | 273190 |
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| Lubker Di | PA | Flat Washer | Brass | Plain / Furnace Black | #2 x 3/16 | #2x3/16 flat brass | 5400 |
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| Lubker Di | PA | Flat Washer | Aluminum | Plain / Furnace Black | 1/4 | 1/4 flat alum | 6922 |
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| Lubker Di | PA | Flat Washer | Nylon (Polyamide) | Plain / Furnace Black | .255 x .555 x .047 .005 | .255 idx.555 odx.047 thk (+/-.005 all dimensions) natural nylon f/w (ref 17w05552) | 13090 |
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| TSF | TX | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | 1 1/4-1.312 x 2.75 x .125 | flat washer 18-8 ss 1-1/4 (1.312 ) x 2.75 x .125 | 196 |
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| TSF | TX | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | .260 x .400 x .010 | flat washer 300 s/s .260 id x .400 od x .010 thk | 250 |
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| American | NY | Flat Washer | Nylon (Polyamide) | Plain / Furnace Black | 1/4 x 1/2 x 1/32 | 1/4 x 1/2 x 1/32 flat washer nylon | 8200 |
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