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 | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | .203 x .4375 x .031 | #10l 18-8 stainless steel standard flat washer .203x.4375x.031 | 2430 |
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| Endries | WI | Flat Washer | Steel | Zinc/Clear | 1/8 | 1/8 steel rivet washer zinc (3/8odx.056/.062thck) | 15350 |
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| Endries | WI | Flat Washer | Steel | Zinc/Clear | M6 | m6 flat washer zinc din 1440 | 370 |
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| Endries | WI | Flat Washer | Nylon (Polyamide) | Plain / Furnace Black | .140 x .312 x .047 | 17w03127 #6 nylon flat washer .140x.312x.047 | 1000 |
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| IndexFast | CA | Flat Washer | Steel | Nickel Plated | #3 | washer nickel c86 (bulk pack) | 2925 |
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| IndexFast | CA | Flat Washer | Steel | Zinc/Clear | 7 | m flat washer steel/zinc din 125a bn 15-m | inquire |
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| IndexFast | CA | Flat Washer | Steel | Plain / Furnace Black | w281460015sz .281x.460x.015 flat washer steel/zinc | inquire |
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| IndexFast | CA | Flat Washer | Brass | Plain / Furnace Black | #2 | grommet & washer brass (25 gross boxes) | inquire |
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| IndexFast | CA | Flat Washer | Brass | Plain / Furnace Black | #0 x 83 | #0 washer brass c83 | 26104 |
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| IndexFast | CA | Flat Washer | Steel | Plain / Furnace Black | 500 | awdie a & #1washer die set | inquire |
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| IndexFast | CA | Flat Washer | Steel | Nickel Plated | #4 | washer nickel c87 | 9316 |
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| IndexFast | CA | Flat Washer | Steel | Plain / Furnace Black | #4 | tooth washer dull black chem | inquire |
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| IndexFast | CA | Flat Washer | Brass | Plain / Furnace Black | #1 | grommet & washer brass (25 gross boxes) | inquire |
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| IndexFast | CA | Flat Washer | Steel | Plain / Furnace Black | w203437062ss #10 flat washer stainless steel | inquire |
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| IndexFast | CA | Flat Washer | Brass | Plain / Furnace Black | #2 | rolled rim grommet & spur washer brass (25 gross boxes) | inquire |
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| IndexFast | CA | Flat Washer | Aluminum | Plain / Furnace Black | #0 | #0 grommet aluminum | inquire |
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| IndexFast | CA | Flat Washer | Steel | Plain / Furnace Black | 13-14-504ab burr & tack brassl/ant brass bullseye | inquire |
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| IndexFast | CA | Flat Washer | Steel | Plain / Furnace Black | #7 | spur washer dull black chem | inquire |
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| IndexFast | CA | Flat Washer | Steel | Plain / Furnace Black | w6871.50078ss 5/8 flat washer stainless steel | inquire |
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| IndexFast | CA | Flat Washer | Brass | Plain / Furnace Black | #1 | spur washer brass | 4500 |
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| IndexFast | CA | Flat Washer | Brass | Plain / Furnace Black | #6 | rolled rim grommet & spur washer brass | inquire |
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| IndexFast | CA | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | sw 18-8 304 s/s56 ah01 capped washertype self-threader 3/16 steel/plain (send out for plating) | inquire |
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| IndexFast | CA | Flat Washer | Brass | Plain / Furnace Black | c790 brass washer .463 odx.220 idx.029 ht | inquire |
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| IndexFast | CA | Flat Washer | Steel | Plain / Furnace Black | #6 | washer dull black chem c288 | 1870 |
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| Endries | WI | Flat Washer | Steel | Plain / Furnace Black | 82 | 82-32-101-20 split ring washer | 3000 |
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| NAPPCO | TX | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Black Oxide | .188 x .505 x .032 | .505 odx.18-8 304 s/s id x.032 black | 2600 |
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| NAPPCO | TX | Flat Washer | Steel | Plain / Furnace Black | #118771 | 1 |
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| NAPPCO | TX | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | #6 x .158 | #6 f/w s/s18-8 .158/.165 id.500od.062thk | 3915 |
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| NAPPCO | TX | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | 1/4 x .265 | 1/4 f/w s/s 18-8.265idx.688odx.048thk | 200 |
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| NAPPCO | TX | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | 1/4 | 1/4 f/w type-b reg s/s 18-8.281id.734od | 433 |
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| NAPPCO | TX | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | 1/4 f/w s/s 18-8 .250 id (+.003/-.001) | 4090 |
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| NAPPCO | TX | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | #10 x .203 | #10 flats/s18-8.203id.750od.037thk | 3156 |
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| NAPPCO | TX | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | 5/16 | 5/16 f/w typeb reg s/s18-8 .344id.870od | 85 |
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| NAPPCO | TX | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | 1/4 x .312 | 1/4 fw 18-8 s/s .312id .734od .065thc | 100 |
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| NAPPCO | TX | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | 47-71-201-24 ss | 8 |
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| NAPPCO | TX | Flat Washer | Steel | Plain / Furnace Black | 47-71-101-24 | 73 |
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| NAPPCO | TX | Flat Washer | Steel | Plain / Furnace Black | 47-71-501-24 | 8 |
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| NAPPCO | TX | Flat Washer | Steel | Plain / Furnace Black | 47-71-601-24 | 100 |
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| NAPPCO | TX | Flat Washer | 316, 317, A4 Stainless | Plain / Furnace Black | 1 1/4 | 1-1/4 fw s/s t316 1.312id 2.750od.100thk | 21 |
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| NAPPCO | TX | Flat Washer | Steel | Plain / Furnace Black | 31-3-11-11 | 771 |
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| NAPPCO | TX | Flat Washer | Grade 8 | Plain / Furnace Black | 5/8 | 5/8 grade 8 flat plain special | 2040 |
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| NAPPCO | TX | Flat Washer | Aluminum | Plain / Furnace Black | 5/16 | 5/16 flat aluminum | 263 |
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| NAPPCO | TX | Flat Washer | Aluminum | Plain / Furnace Black | 5/8 | 5/8 flat aluminum | 98 |
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| NAPPCO | TX | Flat Washer | Aluminum | Plain / Furnace Black | 1/2 | 1/2 flat aluminum | 328 |
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| NAPPCO | TX | Flat Washer | Brass | Plain / Furnace Black | #2 | #2 fw lgpattern brass.093id.218od.020thk | 2900 |
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| Endries | WI | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | 1/2 | 1/2 18-8 stainless steel standard flat washer domestic (.562x1.375x.109) | 700 |
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| Cal Fastenrs | CA | Flat Washer | Nylon (Polyamide) | Plain / Furnace Black | .500 x .750 x .020 | .500 idx.750 odx.020 thick f/w | 23,300 |
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| Cal Fastenrs | CA | Flat Washer | Nylon (Polyamide) | Plain / Furnace Black | .194 x .525 x .032 | .194 idx.525 odx.032 thick f/w | 5,000 |
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| Endries | WI | Flat Washer | Steel | Zinc/Clear | 9/16 | 9/16 type-b wide flat washer trivalent clear zinc .594x2.00x.100 | 50 |
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| Global | CA | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | M3 | M3.0 special dim. flat 18-8 304 steel a2 passivate din 433 | 7 |
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| Endries | WI | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | #12 | #12 18-8 stainless steel standard flat washer (.25x.56x.050) | 425 |
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| Endries | WI | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Black Oxide | 1/4 | ms15795811 1/4l 18-8 stainless steel flat washer chemical black oxide .312x.750x.051/08 | 24000 |
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| Eurolink | SC | Flat Washer | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain / Furnace Black | Mthick x 1.7 | m5.3 x 11 x 1.5 spring washer inconel 718 acc. to a5e00993553 (min. 1.7mm thick) | inquire |
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| ADG Faste | TX | Flat Washer | Grade 2 | Zinc/Clear | 3/16 | #10 x1/2 od | 25000 |
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| ADG Faste | TX | Flat Washer | Grade 2 | Zinc/Yellow | 3/16 | type b narrow | 5500 |
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| Endries | WI | Flat Washer | Nylon (Polyamide) | Plain / Furnace Black | .195 x 7/16 x .031 | 17w04373 .195x7/16x.031 nylon flat washer | 111 |
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| Endries | WI | Flat Washer | Steel | Zinc/Clear | 1/2 | 1/2 type-b wide flat washer trivalent clear zinc .531x1.750x.100 | 882 |
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| Endries | WI | Flat Washer | Steel | Zinc/Clear | 1.128 x 2.00 x .060 | 1.128x2.00x.060 flat washer zinc | 50 |
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| Endries | WI | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | .31 x 1.00 x .030 | .31x1.00x.030 18-8 stainless steel flat washer | 2043 |
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| Eurolink | SC | Flat Washer | 316, 317, A4 Stainless | Zinc/Clear | 25-514 | m5.3 x 10 x 1.0 nf e 25-514 z a4 stainless steel afnor washer | inquire |
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| Eurolink | SC | Flat Washer | 316, 317, A4 Stainless | Zinc/Clear | 25-514 | m4.3 x 8 x 0.8 nf e 25-514 z a4 stainless steel afnor washer | inquire |
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| Eurolink | SC | Flat Washer | 316, 317, A4 Stainless | Plain / Furnace Black | 25-514 | m2.7 x 7 x 0.5 nf e 25-514 m a4 stainless steel afnor washer | inquire |
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| Eurolink | SC | Flat Washer | 316, 317, A4 Stainless | Plain / Furnace Black | 25-514 | m5.3 x 12 x 1 nf e 25-514 m a4 stainless steel afnor washer | inquire |
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| Eurolink | SC | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | 25-514 | m6.4 x 18 x 1.2 nf e 25-514 l a2 stainless steel afnor washer | inquire |
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| Eurolink | SC | Flat Washer | 316, 317, A4 Stainless | Plain / Furnace Black | 25-514 | m4.3 x 10 x 0.8 nf e 25-514 m a4 stainless steel afnor washer | inquire |
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| Eurolink | SC | Flat Washer | Steel | Plain / Furnace Black | M6 | m6 bulte rimp6a anti-loss washer polyamid natural | inquire |
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| Eurolink | SC | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | M8.4 x 25 x 1.5 | m8.4 x 25 x 1.5 penny washers a2 stainless steel | inquire |
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| Eurolink | SC | Flat Washer | Copper | Plain / Furnace Black | M15 | m15 copper washer special flat copper washer m15.0 x 28.0 x 2.0 | inquire |
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| Eurolink | SC | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | M6.4 x 35 x 1.5 | m6.4 x 35 x 1.5 penny washers a2 stainless steel | inquire |
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| Eurolink | SC | Flat Washer | 316, 317, A4 Stainless | Plain / Furnace Black | M6.4 x 25 x 1.5 | m6.4 x 25 x 1.5 penny washers a4 stainless steel | inquire |
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| Eurolink | SC | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | M5.3 x 20 x 1.5 | m5.3 x 20 x 1.5 penny washers a2 stainless steel | inquire |
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| Eurolink | SC | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | M12.5 x 45 x 1.5 | m12.5 x 45 x 1.5 penny washers a2 stainless steel | inquire |
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| Eurolink | SC | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | M5.3 x 30 x 1.5 | m5.3 x 30 x 1.5 penny washers a2 stainless steel | inquire |
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| Eurolink | SC | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | M4.3 x 20 x 1.5 | m4.3 x 20 x 1.5 penny washers a2 stainless steel | inquire |
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| Eurolink | SC | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | M6.4 x 25 x 1.5 | m6.4 x 25 x 1.5 penny washers a2 stainless steel | inquire |
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| MetricThrd | CA | Flat Washer | Nylon (Polyamide) | Plain / Furnace Black | M5.5 x 11 x 5 | m5 x 11 nylon flat washers 5.5 x 11 x 1 | 15,000 |
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| Lightning | CO | Flat Washer | Nylon (Polyamide) | Plain / Furnace Black | .25 O.D x .115 x .062 | .25 o.d x .115 x .062 nylon flat washer | 10,000 |
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| Buckeye | OH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | .546 x 1.500 x .125 | .546 x 1.500 x .125 flat washer stainless | inquire |
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| Buckeye | OH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | .734 x 1.750 x .125 | .734 x 1.750 x.125 flat washer stainless steel | inquire |
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| Buckeye | OH | Flat Washer | Steel | Zinc/Yellow | washer assortment zinc yellow | inquire |
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| Buckeye | OH | Flat Washer | Steel | Zinc/Clear | washer assortment zinc clear | inquire |
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| Buckeye | OH | Flat Washer | Steel | Plain / Furnace Black | ohio bc stlye weld washer with 1/2, i.d. | inquire |
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| Buckeye | OH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | hs3z 3816 welded to 1.500 od x .546 id x .125 thick ss washer | inquire |
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| BRIGHBEST | IL | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | #4 x 5/16 x 0.016 | #4 x 5/16 x 0.016 flat s 18-8 304 a2 (18-8) an960l | 1178559 |
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| BRIGHBEST | IL | Flat Washer | Steel | Plain / Furnace Black | 4 | 4 flat s stain a2 (18-8) nas620 | 3399196 |
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| BRIGHBEST | IL | Flat Washer | Steel | Plain / Furnace Black | 4 | 4 flat s stain a2 (18-8) nas620 | 823790 |
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| BRIGHBEST | IL | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | #4 x 5/16 x 0.016 | #4 x 5/16 x 0.016 flat s 18-8 304 a2 (18-8) an960l | 1693508 |
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| BRIGHBEST | IL | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | #4 x 5/16 x 0.016 | #4 x 5/16 x 0.016 flat s 18-8 304 a2 (18-8) an960l | 1159813 |
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| BRIGHBEST | IL | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | #4 x 5/16 x 0.016 | #4 x 5/16 x 0.016 flat s 18-8 304 a2 (18-8) an960l | 1622000 |
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| BRIGHBEST | IL | Flat Washer | Steel | Zinc/Clear | 1/2 | 1/2 flat s stain a2 (18-8) an960 | 1089870 |
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| BRIGHBEST | IL | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | #4 x 5/16 x 0.016 | #4 x 5/16 x 0.016 flat s 18-8 304 a2 (18-8) an960l | 1981630 |
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| BRIGHBEST | IL | Flat Washer | Steel | Plain / Furnace Black | 4 | 4 flat s stain a2 (18-8) nas620 | 1447500 |
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| BRIGHBEST | IL | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | #4 x 5/16 x 0.016 | #4 x 5/16 x 0.016 flat s 18-8 304 a2 (18-8) an960l | 1456975 |
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| BRIGHBEST | IL | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | #4 x 5/16 x 0.016 | #4 x 5/16 x 0.016 flat s 18-8 304 a2 (18-8) an960l | 1059760 |
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| BRIGHBEST | IL | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | #6 x 5/16 x 0.032 | #6 x 5/16 x 0.032 flat s 18-8 304 a2 (18-8) n400 | 770870 |
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| BRIGHBEST | IL | Flat Washer | Steel | Plain / Furnace Black | 4 | 4 flat s stain a2 (18-8) nas620 | 177200 |
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| BRIGHBEST | IL | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | #4 x 5/16 x 0.016 | #4 x 5/16 x 0.016 flat s 18-8 304 a2 (18-8) an960l | 495100 |
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| BRIGHBEST | IL | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | #4 x 5/16 x 0.016 | #4 x 5/16 x 0.016 flat s 18-8 304 a2 (18-8) an960l | 652823 |
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| BRIGHBEST | IL | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | #4 x 1/4 x 0.032 | #4 x 1/4 x 0.032 flat s 18-8 304 a2 (18-8) n400 | 333130 |
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| BRIGHBEST | IL | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | #4 x 5/16 x 0.016 | #4 x 5/16 x 0.016 flat s 18-8 304 a2 (18-8) an960l | 360000 |
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| BRIGHBEST | IL | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | 1/4 x 1/2 x 0.063 | 1/4 x 1/2 x 0.063 flat s 18-8 304 a2 (18-8) n400 | 621768 |
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| BRIGHBEST | IL | Flat Washer | Steel | Plain / Furnace Black | 4 | 4 flat s stain a2 (18-8) nas620 | 187000 |
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| BRIGHBEST | IL | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | #4 x 5/16 x 0.016 | #4 x 5/16 x 0.016 flat s 18-8 304 a2 (18-8) an960l | 661669 |
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