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 | Cadmium | .515 x .875 x .052/.072 | an960-816 1/2 flat washer cadmium .515x.875x.052/.072 | 3000 |
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| ACCURATE | IL | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4 x 3/4 | 1/4x3/4 flat washer 18-8 stainless steel ms15795-811 | 450 |
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| OneMonroe | MA | Flat Washer | Nylon (Polyamide) | Plain | nylon retaining washer.391x.235x.152x032 | 1470 |
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| MAINSOURC | NH | Flat Washer | Steel | Plain | .453 x .750 x .063 | an960c716 comm 7/16(.453x.750x.063) | 600 |
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| MAINSOURC | NH | Flat Washer | Steel | Plain | 0 | an960c8l (#8 .174 x .375 x .016 washer ss) | 2000 |
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| MAINSOURC | NH | Flat Washer | Steel | Plain | .099 x .250 x .016 | an960d2l | 143 |
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| MAINSOURC | NH | Flat Washer | Aluminum | Plain | .328 x .562 x .063 | an960jd516 (washer 5/16 .328x.562x.063 alum) | 150 |
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| MAINSOURC | NH | Flat Washer | Steel | Plain | .265 x .500 x .032 | an960xc416l (1/4 wash .216x.500x.032 ss blk) | 110 |
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| MAINSOURC | NH | Flat Washer | Steel | Plain | .125 x .313 x .016 | an960xc4l | 253 |
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| MAINSOURC | NH | Flat Washer | Steel | Passivated | 3/8 | an960xc616l (washer 3/8 .390x.625x.032 ss blk) | 300 |
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| MAINSOURC | NH | Flat Washer | Steel | Plain | .115 x .250 x .060 | fw .115 x .250 x .060 al | 450 |
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| MAINSOURC | NH | Flat Washer | Steel | Black Oxide | .120 x .250 x .0312 | fw .120 x .250 x .0312 blk oxide | 854 |
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| MAINSOURC | NH | Flat Washer | Steel | Zinc/Yellow | .123 x .250 x .022 | fw .123 x .250 x .022 zy | 3625 |
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| MAINSOURC | NH | Flat Washer | Steel | Phosphate | .125 x .250 x .032 | fw .125 x .250 x .032 blk phos | 97 |
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| MAINSOURC | NH | Flat Washer | Steel | Plain | #4 | fw .125 x .280 x .026 z #4 | 6659 |
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| MAINSOURC | NH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Black Oxide | .125 | fw .125 x .307 x .032 ss black | 4188 |
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| MAINSOURC | NH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .125 x .312 x .016 | fw .125 x .312 x .016 ss | 191 |
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| MAINSOURC | NH | Flat Washer | Steel | Plain | .125 x .332 x .032 | fw .125 x .332 x .032 bo | 340 |
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| MAINSOURC | NH | Flat Washer | Steel | Plain | .125 x .375 x .040 | fw .125 x .375 x .040 st | 100 |
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| MAINSOURC | NH | Flat Washer | Steel | Plain | .125 x .375 x .050 | fw .125 x .375 x .050 z | 337 |
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| MAINSOURC | NH | Flat Washer | Steel | Plain | .128 x .375 x .036 | fw .128 x .375 x .036ss | 194 |
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| MAINSOURC | NH | Flat Washer | Steel | Plain | .129 x 3/8 x .060 | fw .129 x 3/8 x .060 al | 1305 |
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| MAINSOURC | NH | Flat Washer | Steel | Plain | 13/32 x 7/8 x 1/8 | fw 13/32 x 7/8 x 1/8 heat treat bo | 129 |
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| Hayes | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .191 x .745 x .036 | .191 x .745 x .036 flat washer annealed 18-8ss | 5217 |
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| MAINSOURC | NH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .118 x .280 x .032 | fw .118 x .280 x .032 ss | 4990 |
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| MAINSOURC | NH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .125 x .250 x .020 | fw .125 x .250 x .020 ss | 304 |
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| MAINSOURC | NH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .125 x .250 x .046 | fw .125 x .250 x .046 ss | 14991 |
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| MAINSOURC | NH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .125 x .281 x .025 | fw .125 x .281 x .025 ss | 380 |
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| MAINSOURC | NH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .125 x .375 x .040 | fw .125 x .375 x .040 ss bk | 113 |
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| MAINSOURC | NH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .130 x .270 x .020 | fw .130 x .270 x .020 ss | 320 |
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| MAINSOURC | NH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .139 x .373 x .016 | fw .139 x .373 x .016 ss | 100 |
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| MAINSOURC | NH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .14 x .625 x .031 | fw 140 x 625 x 031 ss | 112 |
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| MAINSOURC | NH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .141 x .406 x .040 | fw .141 x .406 x .040 ss | 350 |
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| MAINSOURC | NH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .148 x .328 x .032 | fw .148 x .328 x .032 ss | 1907 |
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| MAINSOURC | NH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .150 x .238 x .030 | fw .150 x .238 x .030 ss | 280 |
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| MAINSOURC | NH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .156 x .625 x .062 | fw .156 x .625 x .062 ss | 2176 |
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| MAINSOURC | NH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .158 x .260 x .003 | fw .158 x .260 x .003 ss | 100 |
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| MAINSOURC | NH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Black Oxide | .188 x .500 x .040 | fw .188 x .500 x .040 ss blk | 2003 |
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| MAINSOURC | NH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .191 x .500 x .040 | fw .191 x .500 x .040 ss | 572 |
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| MAINSOURC | NH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .195 x .625 x .029 | fw .195 x .625 x .029 ss | 647 |
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| MAINSOURC | NH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .195 x .985 x .060 | fw .195 x .985 x .060 ss | 275 |
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| MAINSOURC | NH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .200 x .746 x .060 | fw .200 x .746 x .060 ss | 96 |
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| MAINSOURC | NH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .203 x .406 x .040 | fw .203 x .406 x .040 ss | 392 |
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| MAINSOURC | NH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Black Oxide | .203 x .562 x .040 | fw .203 x .562 x .040 ss black | 2039 |
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| RCFast | AZ | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M8 | flat 18-8 304 a2 ( ) din 125a | 1700 |
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| RCFast | AZ | Flat Washer | 316, 317, A4 Stainless | Plain | 1/4 | flat stainless 316 (x5/8x.05) | 3000 |
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| American | NY | Flat Washer | Steel | Zinc/Clear | #6 x 1/2 x 1/32 | flat pl | 2000 |
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| American | NY | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #6 x 3/8 x 035 | flat 18-8 304 | 5900 |
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| American | NY | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16 x 11/16 x .062 | flat 18-8 304 | 2259 |
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| American | NY | Flat Washer | 316, 317, A4 Stainless | Plain | #6-.150-+.005x.325-+.005x.045-+.004 flat 316 | 1600 |
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| American | NY | Flat Washer | Fiber | Plain | #6 x 7/16 x 1/16 | fibre grey | 31500 |
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| American | NY | Flat Washer | Plastic | Fluoropolymer-Based (Xylan, Fluorokote, Teflon) | 10 7/32 x 7/16 x 1/16 | flat teflon | 14800 |
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| American | NY | Flat Washer | Steel | Plain | #8-.174 x .375 x .030 | flat m/s black | 670 |
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| American | NY | Flat Washer | Plastic | Fluoropolymer-Based (Xylan, Fluorokote, Teflon) | .510 x 1.00 x .035 | flat teflon | 1851 |
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| American | NY | Flat Washer | Plastic | Fluoropolymer-Based (Xylan, Fluorokote, Teflon) | #6 .160 x .355 x .062 | #6 .160id x .355 od x .062 thick flat teflon | 6900 |
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| American | NY | Flat Washer | Brass | Plain | .145 x .375 x 1/32 | flat n.p | 400 |
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| TownCountry | AR | Flat Washer | Steel | Zinc/Yellow | M4 | m04 flat washers yellow zinc | 300 |
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| METRO IND | OH | Flat Washer | Steel | Plain | M27 | flat hard en 14399 din 125 | 100 |
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| METRO IND | OH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10 | thick flat s/s | 200 |
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| METRO IND | OH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #4 | thick flat s/s | 200 |
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| METRO IND | OH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #6 | thick flat s/s | 200 |
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| MAINSOURC | NH | Flat Washer | Steel | Black Oxide | .195 x .437 x .020 | fw .195 x .437 x .020 ny blk | 250 |
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| MAINSOURC | NH | Flat Washer | Steel | Plain | .195 x .632 x .031 | fw .195 x .632 x .031 mica | 913 |
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| MAINSOURC | NH | Flat Washer | Steel | Plain | .201 x .500 x .031 | fw .201 x .500 x .031 polypropolene nat. | 32 |
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| MAINSOURC | NH | Flat Washer | Steel | Plain | .203 x .435 x .034 | fw .203 x .435 x .034 ny | 231 |
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| MAINSOURC | NH | Flat Washer | Steel | Plain | .102 x .253 x .022 | fw .102 x .253 x .022 ny | 794 |
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| MAINSOURC | NH | Flat Washer | Steel | Plain | .115 x .250 x .060 | fw .115 x .250 x .060 ny | 100 |
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| MAINSOURC | NH | Flat Washer | Steel | Plain | .115 x .250 x .062 | fw .115 x .250 x .062 ny | 488 |
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| MAINSOURC | NH | Flat Washer | Steel | Plain | .120 x .187 x .030 | fw .120 x .187 x .030 ny | 141 |
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| MAINSOURC | NH | Flat Washer | Steel | Plain | .120 x .250 x .062 | fw .120 x .250 x .062 ny | 600 |
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| MAINSOURC | NH | Flat Washer | Nylon (Polyamide) | Plain | .125 x .250 x .030 | fw .125 x .250 x .030 nylon | 69 |
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| MAINSOURC | NH | Flat Washer | Steel | Plain | .125 x .250 x .062 | fw .125 x .250 x .062 ny | 111 |
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| MAINSOURC | NH | Flat Washer | Plastic | Plain | .127 x .500 x .125 | fw .127 x .500 x .125 delrin bk | 505 |
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| MAINSOURC | NH | Flat Washer | Steel | Plain | .129 x .218 x .040 | fw .129 x .218 x .040 ny | 449 |
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| MAINSOURC | NH | Flat Washer | Steel | Plain | .130 x .290 x .035 | fw .130 x .290 x .035 ny | 250 |
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| MAINSOURC | NH | Flat Washer | Steel | Plain | .141 x .250 x .060 | fw .141 x .250 x .060 ny | 180 |
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| MAINSOURC | NH | Flat Washer | Fiber | Plain | .143 x .375 x .062 | fw .143 x .375 x .062 fibre | 1100 |
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| MAINSOURC | NH | Flat Washer | Nylon (Polyamide) | Plain | .145 x .312 x .040 | fw .145 x .312 x .040 nylon | 390 |
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| MAINSOURC | NH | Flat Washer | Steel | Plain | .150 x .312 x .032 | fw .150 x .312 x .032 ny | 50994 |
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| MAINSOURC | NH | Flat Washer | Steel | Black Oxide | .150 x .312 x .032 | fw .150 x .312 x .032 ny black | 490 |
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| MAINSOURC | NH | Flat Washer | Steel | Plain | .150 x .370 x .015 | fw .150 x .370 x .015 ny | 970 |
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| TownCountry | AR | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M10 | m10 flat washer std. s.s. 18-8 | 398 |
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| TownCountry | AR | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2 | 1/2 flat washer ms#818 s.s. 18-8-0.531 i.d. x 1.062 o.d. x 0.0937 thick | 28 |
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| Ababa | CA | Flat Washer | Steel | Zinc/Clear | M10 x 25 x 4 | m10 x 25 f/w 4mm thk stl znc | 609 |
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| Ababa | CA | Flat Washer | Steel | Zinc/Clear | M10 | m10 f/w hrd stl znc | 2418 |
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| Ababa | CA | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M10 | m10 f/w s/s | 916 |
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| Ababa | CA | Flat Washer | Steel | Zinc/Clear | M10 | m10 flat washer steel znc pltd | 3956 |
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| Ababa | CA | Flat Washer | Steel | Zinc/Clear | M1 x 10 | m10 f/w 10/pkg stl znc | 14 |
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| Ababa | CA | Flat Washer | Steel | Zinc/Clear | M12 x 20 | m12 x 20 flat wsh stl znc | 6000 |
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| Ababa | CA | Flat Washer | Steel | Zinc/Clear | M12 x 24 | m12 x 24 flat washer stl znc | 490 |
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| Ababa | CA | Flat Washer | Steel | Zinc/Clear | M12 x 30 x 6 | m12 x 30 f/w 6mm thk stl znc | 170 |
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| Ababa | CA | Flat Washer | 316, 317, A4 Stainless | Plain | M12 | m12 f/w 316 s/s | 209 |
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| Ababa | CA | Flat Washer | Steel | Zinc/Clear | M12 | m12 f/w hrd stl znc | 624 |
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| Ababa | CA | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M12 | m12 f/w s/s | 583 |
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| Ababa | CA | Flat Washer | Steel | Zinc/Clear | M12 | m12 f/w stl znc | 2254 |
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| Ababa | CA | Flat Washer | Steel | Zinc/Clear | M1 x 12 | m12 f/w 10/pkg stl znc | 14 |
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| Ababa | CA | Flat Washer | Steel | Zinc/Clear | M14 x 24 | m14 x 24 f/w stl znc | 300 |
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| Ababa | CA | Flat Washer | Steel | Zinc/Clear | M14 | m14 f/w hrd stl znc | 250 |
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| Ababa | CA | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M14 | m14 flat washer stainless steel | 193 |
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| Ababa | CA | Flat Washer | Steel | Zinc/Clear | M14 | m14 f/w stl znc | 550 |
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| Ababa | CA | Flat Washer | Steel | Zinc/Clear | M14 | m14 f/w 5/pkg stl znc | 9 |
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| Ababa | CA | Flat Washer | Steel | Zinc/Clear | M16 | m16 f/w hrd stl znc | 159 |
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| Ababa | CA | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M16 | m16 f/w s/s | 50 |
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| TownCountry | AR | Flat Washer | Steel | Zinc/Clear | M10 | m10 std. flat washers zinc | 1500 |
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