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 | .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 | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .125 x .312 x .031 | #4 18-8 stainless steel standard flat washer .125x.312x.031 | 1300 |
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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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| IndexFast | CA | Flat Washer | Aluminum | Plain | #0 | #0 grommet aluminum | inquire |
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| IndexFast | CA | Flat Washer | Steel | Plain | 13-14-504ab burr & tack brassl/ant brass bullseye | inquire |
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| IndexFast | CA | Flat Washer | Steel | Plain | #7 | spur washer dull black chem | inquire |
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| IndexFast | CA | Flat Washer | Steel | Plain | w6871.50078ss 5/8 flat washer stainless steel | inquire |
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| IndexFast | CA | Flat Washer | Brass | Plain | #1 | spur washer brass | 4500 |
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| IndexFast | CA | Flat Washer | Aluminum | Plain | #3 | grommet aluminum | inquire |
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| IndexFast | CA | Flat Washer | Steel | Plain | w187375032np .187x.375x.032 flat washer nylon | inquire |
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| IndexFast | CA | Flat Washer | Brass | Plain | #1 | neck washer (a1340) brass (bulk pack) | 13796 |
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| IndexFast | CA | Flat Washer | Brass | Plain | #6 | rolled rim grommet & spur washer brass | inquire |
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| IndexFast | CA | Flat Washer | 316, 317, A4 Stainless | Plain | w406875050ss316 3/8 flat washer 316 stainless steel | inquire |
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| IndexFast | CA | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 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 | Aluminum | Plain | 83 | #0 grommet 5050a & washer c 5050a aluminum | inquire |
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| IndexFast | CA | Flat Washer | Brass | Plain | c790 brass washer .463 odx.220 idx.029 ht | inquire |
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| IndexFast | CA | Flat Washer | Steel | Plain | #6 | washer dull black chem c288 | 1870 |
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| IndexFast | CA | Flat Washer | Steel | Plain | wm105200020ss m10 flat washer stainless steel din 125a | inquire |
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| IndexFast | CA | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #00 | #00 washer stainless | inquire |
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| IndexFast | CA | Flat Washer | Steel | Plain | #0 washer dull black chem c83 (bulk pack) | 124622 |
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| IndexFast | CA | Flat Washer | Steel | Plain | #1g&wscdbc | 20-00701-0161xg | 14390 |
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| IndexFast | CA | Flat Washer | Brass | Plain | #3 | grommet brass (bulk pack) | 13520 |
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| IndexFast | CA | Flat Washer | Brass | Plain | #1 | rolled rim grommet & spur washer brass | inquire |
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| Cal Fastenrs | CA | Flat Washer | Nylon (Polyamide) | Plain | .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 | .194 x .525 x .032 | .194 idx.525 odx.032 thick f/w | 5,000 |
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| Cal Fastenrs | CA | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Black Oxide | .129 x .500 x .030 | flat 18-8 304 ide f/w | 5,800 |
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| Endries | WI | Flat Washer | Brass | Plain | .147 x .312 x .025 | #6s brass flat washer (.147x.312x.025) | 8826 |
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| Endries | WI | Flat Washer | Steel | Galvanized | 3/8 | 3/8 standard flat washer hot dip galvanized (.433x.993x.064) | 91 |
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| Endries | WI | Flat Washer | Steel | Plain | 82 | 82-32-101-20 split ring washer | 3000 |
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| Endries | WI | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2 | 1/2 18-8 stainless steel standard flat washer domestic (.562x1.375x.109) | 900 |
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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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| Endries | WI | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .149 x .375 x .032 | nas1149c0632r .39x.63x .02/.04 stainless steel flat washer | 832 |
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| Endries | WI | Flat Washer | Dip-Spin, Spray-Spin Basecoat + Topcoats (Dacromet, Doerken, Geomet, Magni, etc.) | M5 | m5 flat washer geomet din 125a | 4595 |
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| Endries | WI | Flat Washer | Nylon (Polyamide) | Plain | .641 x .904 x .015 | .641x.904x.015 nylon flat washer | 4401 |
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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 | #12 | #12 18-8 stainless steel standard flat washer (.25x.56x.050) | 425 |
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| Liberty | IL | Flat Washer | Steel | Plain | 13/64 x 3/4 | flat clipped | 500 |
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| Liberty | IL | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #6 | ms15795-806 #6 flat small pattern small pattern 304ss small pattern | 1,295 |
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| Liberty | IL | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10 | ms15795-842 10 flat 18-8 s/s 18-8 s/s 304ss 18-8 stainless steel | 220 |
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| Liberty | IL | Flat Washer | 316, 317, A4 Stainless | Plain | .281 x .625 x .050 | .281 id x .625 od x .050 thick flat 316 stainless domestic with certs MS15795-81031SD | 60 |
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| Liberty | IL | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | .255 x .463 x .063 | nas620-c416 flat 304ss | 45 |
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| Liberty | IL | Flat Washer | Steel | Plain | .169 x .304 x .032 | nas620c8 dimensions only | 350 |
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| Liberty | IL | Flat Washer | Nylon (Polyamide) | Plain | 3/8 x 1/2 x 1/8 | flat | 130 |
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| Liberty | IL | Flat Washer | Steel | Zinc/Clear | 1/4 x 3/4 x 3/32 | thick flat rohs | 400 |
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| Liberty | IL | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Cadmium/Yellow | .406 x 2 | .406 (+.005/-.002) idx2 odx.125 thick 304 18-8 304 annealed cad qq-p-416 ty ii 3. | 40 |
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| Liberty | IL | Flat Washer | Nylon (Polyamide) | Plain | .375 id (+/-.005)x1 od (+/-.005)x.375 thick (+/-.005) flat | 20 |
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| Liberty | IL | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .203 id (+/-.005) 562 od(+/-.010)x.180 thick 18-8 304 | 24 |
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| Liberty | IL | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | .26 | 0/.270 idx.443/.448 odx.057/.069 thick 18-8 304 | 35 |
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| Liberty | IL | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .406 x 2 | .406 (+.005/-.002) idx2 odx.125 thick flat 304 18-8 304 annealed with test reports | 100 |
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| Liberty | IL | Flat Washer | Nylon (Polyamide) | Plain | .244 x .433 x .039 | .244 idx.433 odx.039 thick flat | 10,000 |
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| Liberty | IL | Flat Washer | Steel | Plain | .515 x 11/16 x 1/32 | .515 idx11/16x1/32 thick flat | 900 |
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| Liberty | IL | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .453 x .75 x .063 | 7/16 x 3/4 x 1/16 flat 18-8 s/s description only an960c716 description only an960c716 304ss description only an960c716 | 1,000 |
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| Liberty | IL | Flat Washer | Aluminum | Plain | .25 | 1/.261 i.d.x1/2 (+/-.005) o.d.x.063 thick flat rohs compliant | 3,000 |
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| Liberty | IL | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10 x 7/16 x .049 | minimum thickness flat 18-8 s/s | 570 |
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| Liberty | IL | Flat Washer | Nylon (Polyamide) | Plain | .755 id (+/-.008)x1-1/2 od (+/-.010)x.130 thick (+/-.005) flat natural | 300 |
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| Liberty | IL | Flat Washer | Steel | Zinc/Yellow | .515 x .687 x .032 | .515 idx.687 odx.032 thick flat . | 5,000 |
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| U.S. SUPP | VA | Flat Washer | Grade A36 | Plain | 3 x 5 1/2 | 3x5 1/2 f436 structural flat washers medium carbon plain | 600 |
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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 | 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 | .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 w ide 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 | .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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | .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 | .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 | .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 | 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 | 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 | #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 | 4 | 4 flat s stain a2 (18-8) nas620 | 3399196 |
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| BRIGHBEST | IL | Flat Washer | Steel | Plain | 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 | #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 | #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 | #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 | #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 | 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 | #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 | #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 | #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 | 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 | #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 | #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 | #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 | #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 | 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 | 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 | #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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