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 | .099 x .250 x .016 | f/w .099 x .250 x .016 18-8ss | 9883 |
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| Endries | WI | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .161 x .438 x .030 | f/w .161 x .438 x .030 18-8ss | 520 |
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| Endries | WI | Flat Washer | Nylon (Polyamide) | Plain | .195 x .437 x .093 | flat washer .195 x .437 x .093 nylon | 7393 |
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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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| Century | FL | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | fail | nas620c8p flat washer | 75 |
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| Century | FL | Flat Washer | Plain | 3 | flat washer per print rev e eaton to do note 3 & 7 supplier to do note 6 carleton carleton | 11 |
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| Century | FL | Flat Washer | Cadmium/Yellow | .203 x .875 x .063 | an970-3 | 577 |
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| Century | FL | Flat Washer | Steel | Zinc/Clear | 9.0 x 16.0 x 1.6 | m 8.0 f/w stl zinc 9.0 x 16.0 x 1.6 din 126 | 500 |
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| Century | FL | Flat Washer | Steel | Zinc/Yellow | .5310 x 1.0620 x .0940 | fw1.0620odx.5310idx.0940th zi ii yel flat washer od 1.0620 x id .5310 thk .0940 steel zinc ii yellow | 500 |
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| Century | FL | Flat Washer | Plain | .203 x .438 x .032 | nas1149d0332k | 10340 |
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| Century | FL | Flat Washer | Plain | #4 x .175 x .016 | ms51496p80 | 15 |
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| Century | FL | Flat Washer | Plain | .325 x .562 x .016 | nas1149d0516k | 411 |
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| Century | FL | Flat Washer | Plain | associated spring mkc0480-038-0880s washer dfars compliant assoc. spring mkc0480-038-0880s | 500 |
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| Century | FL | Flat Washer | Steel | Zinc/Yellow | 5/16 | x washer 5/16 stl zinc yellow | 500 |
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| Century | FL | Flat Washer | Plastic | Plain | .255 x .900 x .125 | microplastics 17w08950 nylon washer .255 x .900 x .125 e2a micro plastics 17w08950 | 500 |
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| Century | FL | Flat Washer | Cadmium | 3/8-16 x 2 1/4 | nas1352-6-36p 3/8-16 x 2-1/4 soc cap cad plt | 150 |
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| Century | FL | Flat Washer | Anodized | 0.265 x .500 x .063 | nas1149d0463j | 5032 |
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| Century | FL | Flat Washer | ms15795-821 | 367 |
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| Century | FL | Flat Washer | Plain | 7/16 x 59/64 x .065 | ms15795-816 | 848 |
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| OneMonroe | NC | Flat Washer | Steel | Plain | washer | 50 |
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| OneMonroe | NC | Flat Washer | Nylon (Polyamide) | Plain | .115 x .250 x .032 | washer flat .115 x .250 x .032 nylon | 1491 |
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| OneMonroe | NC | Flat Washer | Nylon (Polyamide) | Plain | .194 x .375 x .125 | washer flat .194 x .375 x .125 nylon | 2510 |
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| OneMonroe | NC | Flat Washer | Nylon (Polyamide) | Plain | .257 x .500 x .062 | flat washer nylon .500 x .257 x .062 black | 500 |
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| OneMonroe | NC | Flat Washer | Nylon (Polyamide) | Plain | .170 x .375 x .040 | washer flat .170 x .375 x 040 nylon | 340 |
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| OneMonroe | NC | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | external split washer ss | 3480 |
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| Jackson | MS | Flat Washer | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 5/8 | 5/8 bolt size x 1-5/16 od hastelloy c276 flat washer plain | 312 |
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| OneMonroe | MN | Flat Washer | Steel | Zinc/Clear | M22 | m22 steel zinc flat washer din 125 | 769 |
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| OneMonroe | MN | Flat Washer | Steel | Zinc/Clear | M30 | m30 steel zinc flat washer din 125 | 100 |
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| RePneu To | MI | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M4 x 9 x 0.8 | m4x9x0.8 a2 flat washers din 125a | 400 |
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| RePneu To | MI | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M12 x 24 x 2.5 | m12x24x2.5 a2 flat washers din 125a | 25 |
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| OneMonroe | NC | Flat Washer | Silicon Bronze | Plain | 3/8 | 3/8 flat washer sili brze | 100 |
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| OneMonroe | NC | Flat Washer | Steel | Zinc/Clear | M22 | m22 steel zinc flat washer din 125 | 4 |
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| OneMonroe | NC | Flat Washer | Steel | Plain | 1/2 | 1/2 round steel back-up washer for 3/16 rivet | 350 |
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| MAINSOURC | NH | Flat Washer | Steel | Plain | raf 5065-n-141 | 2653 |
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| TownCountry | AR | Flat Washer | Steel | Zinc/Yellow | 5/8 | flat special -0.625i.d.x1.000o.d.x0.030 thick | 3019 |
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| TownCountry | AR | Flat Washer | Steel | Zinc/Yellow | 13/16 | flat special -0.810i.d.x1.300o.d.x0.040 thick | 3358 |
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| TownCountry | AR | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/8 | flat std 18-8 304 18-8-0.687i.d.x1.500o.d.x0.078 thick | 562 |
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| TownCountry | AR | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/4 | flat std 18-8 304 18-8-0.812i.d.x1.875o.d.x0.109 thick | 153 |
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| TownCountry | AR | Flat Washer | Nylon (Polyamide) | Plain | #8 | flat white 3/16 i.d.x1/2 o.d.x0.032 thick | 8300 |
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| MAINSOURC | NH | Flat Washer | Fiber | Plain | .115 x .220 x .02 | #4 flt wshr (.115 x .220 x .02) g10 fiberglass | 9 |
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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 | .125 x .375 x .050 | fw .125 x .375 x .050 z | 337 |
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| MAINSOURC | NH | Flat Washer | Steel | Plain | .281 x .500 x .060 | fw .281 x .500 x .060 z | 3468 |
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| MAINSOURC | NH | Flat Washer | Steel | Fluoropolymer-Based (Xylan, Fluorokote, Teflon) | .281 x .555 x .031 | fw .281 x .555 x .031 teflon | 280 |
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| MAINSOURC | NH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .135 x .250 x .029 | flat washer .135 x .250 x .029 ss | 1019 |
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| MAINSOURC | NH | Flat Washer | Steel | Plain | .270 x .310 x .060 | fw .270 x .310 x .060 ny | 2102 |
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| MAINSOURC | NH | Flat Washer | Steel | Plain | .281 x .625 x .047 | fw .281 x .625 x .047 ny | 503 |
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| MAINSOURC | NH | Flat Washer | Steel | Plain | 2 | fw 2 bo | 740 |
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| MAINSOURC | NH | Flat Washer | Steel | Plain | 3/16 x 3/8 x 1/16 | fw 3/16 x 3/8 x 1/16 ny bk | 750 |
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| MAINSOURC | NH | Flat Washer | Steel | Plain | .340 x .690 x .060 | fw .340 x .690 x .060 z | 285 |
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| MAINSOURC | NH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .344 x .750 x .125 | fw .344 x .750 x .125 ss | 140 |
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| MAINSOURC | NH | Flat Washer | Steel | Plain | .400 x .815 x .063 | fw .400 x .815 x .063 z | 185 |
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| MAINSOURC | NH | Flat Washer | Steel | Cadmium/Yellow | 1/4 | ms27183-10 (1/4 .281x.625x.065 fw st c&y) | 420 |
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| Olander | CA | Flat Washer | Steel | Fluoropolymer-Based (Xylan, Fluorokote, Teflon) | f/w teflon .119-.230-.020 () () | 11446 |
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| Olander | CA | Flat Washer | Steel | Plain | 1.359 x 2.022 | finger spring washer stl 1.359 x 2.022 () () | 143 |
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| Olander | CA | Flat Washer | Nylon (Polyamide) | Plain | f/w nylon .140-.250-.062 () () | 50985 |
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| Olander | CA | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | f/w sst .192-.500-.030 () () | 2156 |
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| Olander | CA | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8 | 3/8 prec wash ss () () | 471 |
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| Olander | CA | Flat Washer | Brass | Plain | .190 x .328 x .040 | .190 id x .328 od x .040 thk f/w br () () | 2982 |
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| Olander | CA | Flat Washer | Steel | Zinc/Clear | 4 x 1/4 x .02 | 4 x 1/4 od x .028/.036 thk stl zn () () | 141 |
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| Endries | WI | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .143 x .267 x .032 | f/w .143 x .267 x .032 18-8ss | 1000 |
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| Endries | WI | Flat Washer | Nylon (Polyamide) | Plain | fail | wf-0875-0343-0062 flat washer 6/6 nylon (.343x.875x.062) | 2625 |
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| Endries | WI | Flat Washer | Nylon (Polyamide) | Plain | .140 x .312 x .032 | 16fw006032 (oe) #6 nylon flat washer natural .140x.312x.032 | 6500 |
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| Endries | WI | Flat Washer | Steel | Zinc/Clear | .276/.296 x .993/1.015 x .110/.132 | .276/.296x.993/1.015x .110/.132 steel flat washer trivalent clear zinc | 2500 |
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| Endries | WI | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #8 | an960-c8l 8 18-8 stainless steel fl at washer | 100 |
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| Endries | WI | Flat Washer | Brass | Nickel Plated | .200 x .437 x .036 | #10s brass flat washer nickel (.200x.437x.036) | 4863 |
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| Endries | WI | Flat Washer | Steel | Zinc/Yellow | M10 | m10 medium contact washer yellow zinc | 4605 |
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| Endries | WI | Flat Washer | Nylon (Polyamide) | Plain | .257 x .500 x .062 | f/w .257 x .500 x .062 nylon | 3000 |
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| Endries | WI | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .255 x .468 x .063 | f/w .255 x .468 x .063 18-8ss | 2224 |
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| Endries | WI | Flat Washer | Silicon Bronze | Plain | 1/4 | 1/4 silicon bronze flat washer | 265 |
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| Endries | WI | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M6 x 25 x 1.4 | 6x25x1.4mm a2 stainless flat washer | 500 |
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| IndexFast | CA | Flat Washer | Brass | Plain | #2 | spur washer brass (bulk pack) | 52406 |
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| IndexFast | CA | Flat Washer | Steel | Nickel Plated | #00 neck washer (a1155) nickel | 5622 |
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| IndexFast | CA | Flat Washer | Steel | Plain | w305055135s od .305xth .055xid .135 steel washer | inquire |
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| IndexFast | CA | Flat Washer | Steel | Plain | #0 | #0 spur washer stainless steel | inquire |
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| IndexFast | CA | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #0 | #0 washer stainless | inquire |
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| IndexFast | CA | Flat Washer | Steel | Plain | w156312038ss #6 flat washer-805 stainless steel | inquire |
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| IndexFast | CA | Flat Washer | Aluminum | Plain | #2 | grommet aluminum | inquire |
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| IndexFast | CA | Flat Washer | Brass | Plain | #3 | spur washer brass | 8475 |
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| IndexFast | CA | Flat Washer | Steel | Nickel Plated | #00 x 82 | #00 washer nickel c82 nkl | 29435 |
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| IndexFast | CA | Flat Washer | Steel | Nickel Plated | #4 | spur washer nickel (bulk pack) | 7427 |
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| IndexFast | CA | Flat Washer | Grade A36 | Plain | #2 | neck washer (a3630) dull black chem | 35200 |
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| IndexFast | CA | Flat Washer | Plastic | Plain | 91 | -ps-78511-29 common sense plastic/white | inquire |
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| IndexFast | CA | Flat Washer | Steel | Plain | sw12544 ah02 capped washer type self-threader 1/8 steel/electro zinc | inquire |
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| IndexFast | CA | Flat Washer | 316, 317, A4 Stainless | Plain | w5311.25062ss316 1/2 flat washer 316 stainless steel | inquire |
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| IndexFast | CA | Flat Washer | Steel | Zinc/Clear | 1/2 | w5311063094sz sae flat washer steel/zinc | inquire |
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| IndexFast | CA | Flat Washer | Steel | Plain | 17 | w04371b .437 x .200 x .062 flat washer nylon/black | inquire |
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| IndexFast | CA | Flat Washer | Brass | Plain | 1 5/8 x 5/8 | 01157 1 5/8 g&w frosted nickel | inquire |
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| IndexFast | CA | Flat Washer | Steel | Plain | 10 | sc312012 .320 nylon screw insulator | inquire |
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| IndexFast | CA | Flat Washer | Steel | Plain | 17 | w05621 nylon washer .562 | inquire |
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| IndexFast | CA | Flat Washer | Steel | Plain | M6 | wss flat washer stainless steel din 125 | inquire |
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| Endries | WI | Flat Washer | Steel | Zinc/Clear | 1/2 | wa-131 1 to 1/2 reducing washer trivalent clear zinc (steel city) | 3150 |
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| ASFCORP | Flat Washer | Steel | ASTM F1941-10 Fe/Zn | M30 | m30 flat washer stl 140hv form a tri zn fe/zn 5an pkg din 125 | 140 |
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| ASFCORP | Flat Washer | Plain | .370/.390 x .740/.760 x .053/.073 | .370/.390 x .740/.760 x .053/.073 flat washer pkg ny | 1100 |
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| ASFCORP | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .203 x .438 x .063 | 10 an960-c10 flat washer ss pkg | 3570 |
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| ASFCORP | Flat Washer | Plain | .136/.156 x .307/.317 x .045/.075 | .136/.156 x .307/.317 x .045/.075 flat washer ny | 400 |
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| ASFCORP | Flat Washer | Brass | Plain | #12 | no 12s flat washer brass pkg | 515 |
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| ASFCORP | Flat Washer | Brass | Plain | 3/8 | 3/8l flat washer brass | 40 |
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| ASFCORP | Flat Washer | Steel | ASTM F1941-10 Fe/Zn | M10 | m10 ex thk flat washer lo carb stl tri zn fe/zn 5an pkg din 7349 | 100 |
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| ASFCORP | Flat Washer | Aluminum | Plain | 1/4 | 1/4 flat washer alum pkg | 400 |
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| ASFCORP | Flat Washer | Steel | Plain | M20 | m20 flat washer hard stl 200hv form a pkg din 125 | 75 |
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| ASFCORP | Flat Washer | Plain | #8 | 8s flat washer ny | 800 |
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| ASFCORP | Flat Washer | Plain | .3075/.3130 x .860/.880 x .053/.073 | .3075/.3130 x .860/.880 x .053/.073 flat washer ny | 100 |
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| ASFCORP | Flat Washer | Steel | Zinc/Clear | M8 | m8 ex thk flat washer lo carb stl tri zn dich fe/zn 5cn din 7349 | 100 |
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| ASFCORP | Flat Washer | Steel | ASTM F1941-10 Fe/Zn | M16 | m16 flat washer hard stl 200hv form a tri zn fe/zn 5an pkg din 125 | 50 |
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| ASFCORP | Flat Washer | Steel | Plain | M36 | m36 flat washer stl 140hv form a pkg din 125 | 6 |
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| ASFCORP | Flat Washer | Steel | Zinc/Clear | M4 | m4 flat washer stl 140hv form a tri zn dich fe/zn 5cn pkg din 125 | 474 |
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| ASFCORP | Flat Washer | 316, 317, A4 Stainless | Plain | M8 | m8 flat washer 316 ss form a pkg din 125 | 85 |
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| ASFCORP | Flat Washer | Steel | ASTM F1941-10 Fe/Zn | M14 | m14 flat washer hard stl 200hv form a tri zn fe/zn 5an pkg din 125 | 25 |
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| ASFCORP | Flat Washer | Steel | ASTM F1941-10 Fe/Zn | M2.5 | m2.5 flat washer stl 140hv form a tri zn fe/zn 5an pkg din 125 | 500 |
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| ASFCORP | Flat Washer | Steel | Plain | M27 | m27 flat washer stl 140hv form a pkg din 125 | 3 |
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| ASFCORP | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M3 | m3 flat washer ss form a pkg din 125 | 150 |
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| Cal Fastenrs | CA | Flat Washer | Brass | Plain | #8 | #8 small pattern f/w brass 8-s | 8-s | 8-s | 400 |
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| SWACO | OH | Flat Washer | 316, 317, A4 Stainless | Plain | 1/2 x .531 x 1.250 | 1/2 .531x1.250x.17 extra thick flat washer .531x1.250x.17 316 ss | 206 |
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| SWACO | OH | Flat Washer | Plastic | Plain | 5614-78-31 0.255x1 x .031 f/w delrin | 1700 |
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| SWACO | OH | Flat Washer | Steel | Zinc/Clear | M24 | M24 flt wash zn din 125a | 189 |
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| SWACO | OH | Flat Washer | Steel | Zinc/Clear | M14 | M14 flt wash zn din 125a | 928 |
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| SWACO | OH | Flat Washer | Steel | Zinc/Clear | M20 | M20 flt wash zn din 125a | 501 |
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| MESAFAST | CA | Flat Washer | Steel | Zinc/Clear | M14 | flat din 125a | 83.0 |
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| MMCC | IL | Flat Washer | Plastic | Plain | M6 | m6 flat washer plastic black din 125a thermal black | inquire |
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| MMCC | IL | Flat Washer | Steel | Plain | M8 | m8 flat washer h 200hv plain din 125a | inquire |
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| MMCC | IL | Flat Washer | 316, 317, A4 Stainless | Plain | 3/4 | 3/4 flat washer a4 din 125a | inquire |
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| MMCC | IL | Flat Washer | Steel | Plain | M3 | mm3 flat washer m bn1076 | inquire |
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| MMCC | IL | Flat Washer | Steel | Plain | M814 | m814 flatwasher ms15795 | inquire |
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| MMCC | IL | Flat Washer | Steel | Plain | M.302 | m.302 flat washer .322 nas620a416 | inquire |
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| MMCC | IL | Flat Washer | Steel | Plain | M18 | m18-dfars flat washer plain steel din 125a | inquire |
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| MMCC | IL | Flat Washer | Steel | Plain | M56 | m56 shaft washer steel din 1441 | inquire |
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| MMCC | IL | Flat Washer | Steel | Zinc/Yellow | 1/4 | 1/4zy flat washer steel american din 125a | inquire |
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| MMCC | IL | Flat Washer | Steel | Zinc/Yellow | 5/16 | 5/16zy flat washer steel american din 125a | inquire |
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| MMCC | IL | Flat Washer | Steel | Zinc/Yellow | 3/8 | 3/8zy flat washer steel american din 125a | inquire |
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| MMCC | IL | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M9 | m9 special washer a2 din 440r | inquire |
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| MMCC | IL | Flat Washer | Steel | Plain | M20 | m20 construction wa steel din 7989 | inquire |
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| MMCC | IL | Flat Washer | Steel | Zinc/Clear | M48 | m48 flat washer steel zinc plate din 125a | inquire |
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| MMCC | IL | Flat Washer | Steel | Plain | M8.4 | m8.4mm washer 200hv dubose mm iso 7090 | inquire |
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| MMCC | IL | Flat Washer | 316, 317, A4 Stainless | Plain | 1/4 | 1/4 flat washer a4 american din 125a | inquire |
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| MMCC | IL | Flat Washer | Steel | Plain | M26 | m26 sha ft washer steel din 1441 | inquire |
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| MMCC | IL | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M4 | m4 washer a2 200hv iso 7089 a2 200hv | inquire |
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| MMCC | IL | Flat Washer | Steel | Zinc/Clear | M3 | m3 washer 200hv zinc plate iso 7089 | inquire |
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| MMCC | IL | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M8 | m8 thick flatwasher din 7349 a2 200hv | inquire |
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