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 | .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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| Endries | WI | Flat Washer | Aluminum | Plain | 1/8 x 3/8 | 1/8 x 3/8 round back-up washer alumn | 1374 |
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| Endries | WI | Flat Washer | Nylon (Polyamide) | Plain | .250 x .562 x .031 | wsr250x562x031n .250x .562x.031 nylon washer (e&t fasteners only) | 200 |
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| Global | CA | Flat Washer | Plastic | Plain | 17w01804 microplastics flat washer ny | 1,250 |
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| Global | CA | Flat Washer | Plastic | Plain | 0.125 x 0.250 x 0.062 | 17w02508 microplastics flat washer ny 0.250 od x 0.125 id x 0.062 th | 75,855 |
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| Global | CA | Flat Washer | Plastic | Plain | 0.081 x 0.259 x 0.062 | 17w02591 microplastics flat washer ny 0.259 od x 0.081 id x 0.062 th | 50 |
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| Global | CA | Flat Washer | Plastic | Plain | 0.340 x 1.260 x 0.250 | 17w12525 microplastics flat washer ny 1.260 od x 0.340 id x 0.250 thickness | 1,800 |
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| Century | FL | Flat Washer | Plain | boeing bacw10bx3pk washer | 1000 |
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| Century | FL | Flat Washer | m2742630197d | 471 |
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| Century | FL | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .133 x .255 x .010 | seastrom 5710-21-010 .255 x .133 x .010 f/w stainless | 3195 |
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| Century | FL | Flat Washer | Steel | Plain | 265 x .500 x .030 | an960-416l q4b | 712 |
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| Century | FL | Flat Washer | ms9592-012 | 32 |
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| Jackson | MS | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | M2 | 2 mm metric flat washer a-2 stainless din 125 | 460 |
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| OneMonroe | NC | Flat Washer | Steel | Plain | .250 x .421 x .003 | #12 f/w stl .250 x .421 x .003 | 700 |
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| OneMonroe | NC | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .156 x .438 x .040 | #6 flat wash 18-8ss .156 x .438 x .040 | 1200 |
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| OneMonroe | NC | Flat Washer | Steel | Zinc/Clear | .174 x .375 x .032 | #8 f/w stl zncpl .174 x .375 x .032 | 300 |
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| OneMonroe | NC | Flat Washer | Steel | Zinc/Clear | #8 | #8 f/w stl znc .188/.190 x .340 x .039/.045 | 500 |
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| American | NY | Flat Washer | Zinc/Green | .406 x .812 x .065 | .406 id x .812 od x.065 flat washer dark olive drab | 7600 |
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| American | NY | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2 x 1 1/4 x .078 | 1/2 x 1-1/4 x .078 stainless steel flat washer | 174 |
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| American | NY | Flat Washer | Steel | Nickel Plated | 3/8 x .546 x .020 | 3/8 x.546 x .020 flat steel washer np | 19000 |
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| American | NY | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8 x 13/16 x .50 | flat 18-8 304 | 2000 |
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| Olander | CA | Flat Washer | Steel | Plain | id +.011/-.000 od +/-.002 thk +/-.001 | steel f/w | 990 |
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| Olander | CA | Flat Washer | Nylon (Polyamide) | Plain | 630+/-005id x 826+/-005od x 060+/-010th | nylon f/w | 4553 |
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| Olander | CA | Flat Washer | Steel | Passivated | id +-.005 od +015-010 passivated | steel f/w | 243 |
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| MSTC | MA | Flat Washer | Steel | Zinc/Clear | M3 x 6 | m3 x 6 jis ph pan w/fl-lck wshr (8 od) | 275 |
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| MSTC | MA | Flat Washer | Steel | Zinc/Yellow | M6 x 12 | m6 x 12 jis ph pan w/fl-lck wshr (13 od) | 1640 |
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| MSTC | MA | Flat Washer | Steel | Zinc/Yellow | M3 x 16 | m3 x 16 jis ph pan w/fl-lck wshr (8 od) | 181 |
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| Endries | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .53/.54 x 1.20/1.30 x .112/.137 | .53/.54x1.20/1.30x.112/.137 18-8 stainless steel standard flat washer domestic | 745 |
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| Endries | Flat Washer | Nylon (Polyamide) | Plain | .130 x .285 x .062 | 17w02851 .130x.285x.062 nylon flat washer | 500 |
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| Endries | Flat Washer | Steel | Zinc/Clear | M2.5 | m2.5 flat washer zinc din 433 | 800 |
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| Endries | Flat Washer | Plastic | Plain | 56 | 5622-70-10 1/4x3/4 mylar flat washer | 1000 |
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| Endries | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .188 x .438 x .036/.065 | ms15795-841 #8 18-8 stainless steel flat washer .188x.438x.036/.065 | 8600 |
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| Endries | Flat Washer | Steel | Zinc/Clear | M36 | m36 bolt size steel flat washer trivalent clear zinc din 125a | 100 |
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| Endries | Flat Washer | Zinc/Black | .203 x .620 x .056 | .203x.620x.056 flat washer trivalent black zinc per 168469-j1 | 10000 |
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| Cal Fastenrs | CA | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .265 x .490 x .008 | spring 18-8 304 | 6,970 |
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| Cal Fastenrs | CA | Flat Washer | Nylon (Polyamide) | Plain | .120 x .220 x .031 | .120 id x .220 od x .031 thick f/w | 1,500 |
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| Cal Fastenrs | CA | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .218 x .437 x .053 | .218 id x .437 od x .053 f/w 18-8 304 | 500 |
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| OneMonroe | NC | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | seastrom sea 5710-144-30 #5f/w ss.135x.312x.030 | 200 |
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| OneMonroe | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Black Oxide | 1/4 | 1/4 stainless steel black oxide finish flat washer | 5000 |
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| ACCURATE | IL | Flat Washer | Steel | Zinc/Clear | M24 | m24 din125a flat washer zinc | 434 |
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| Jay-Cee | MI | Flat Washer | Steel | Plain | washer for 351-c | inquire |
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| Jay-Cee | MI | Flat Washer | Brass | Plain | 1/2x1.280x.112 flat washer brass | inquire |
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| Jay-Cee | MI | Flat Washer | Aluminum | Plain | 3/32 aluminum riveting burrs (.250 odx.097 idx.042th) | 194 |
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| Jay-Cee | MI | Flat Washer | Aluminum | Plain | 3/16 aluminum riveting burrs .370/.380 od x .187/.197 x .055/.065 thick | inquire |
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| Jay-Cee | MI | Flat Washer | Aluminum | Plain | 3/16 aluminum riveting burrs 1/2 od x .192/.199 x .055/.065 thick | inquire |
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| YANKEE | NH | Flat Washer | Plain | 1/2 x 1.063 x .125 | neo ruber washer 1/2x1.063x.125 thick | 83 |
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| YANKEE | NH | Flat Washer | Steel | Zinc/Clear | m10 f/w-zinc 10.5id 25.0od 4.0tk | 847 |
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| YANKEE | NH | Flat Washer | Steel | Zinc/Clear | m8 f/w-zinc 8.4id 21.0od 4.0tk | 434 |
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| METRO IND | OH | Flat Washer | Steel | Plain | M5 | m8.5 x 25.4 locating washer 5mm thick steel | 201 |
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| METRO IND | OH | Flat Washer | Steel | Plain | M5 | m8.5 x 25.4 clipped locating washer 5mm thick steel | 83 |
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| METRO IND | OH | Flat Washer | Steel | Plain | M17 x 38 | m17 x 38 flat washer 5mm thick steel | 42 |
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| METRO IND | OH | Flat Washer | Steel | Plain | M17 x 38 | m17 x 38 flat washer 8mm thick steel | 60 |
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| METRO IND | OH | Flat Washer | Steel | Plain | M17 x 40 | m17 x 40 flat washer 4mm thick steel | 18 |
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| METRO IND | OH | Flat Washer | Steel | Plain | M17 x 40 | m17 x 40 flat washer 6mm thick steel | 200 |
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| METRO IND | OH | Flat Washer | Steel | Plain | M17 x 50 | m17 x 50 flat washer 1mm thick steel | 122 |
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| METRO IND | OH | Flat Washer | Steel | Plain | M17 x 50 | m17 x 50 flat washer 9mm thick steel | 91 |
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| METRO IND | OH | Flat Washer | Steel | Plain | M17 x 65 | m17 x 65 flat washer 12mm thick steel | 1 |
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| METRO IND | OH | Flat Washer | Steel | Plain | M18 x 28 | m18 x 28 flat washer 3mm thick steel | 66 |
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| METRO IND | OH | Flat Washer | Steel | Plain | M18 x 30 | m18 x 30 flat washer 15mm thick steel | 76 |
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| METRO IND | OH | Flat Washer | Steel | Plain | M19 x 25 | m19 x 25 flat washer 3mm thick steel | 848 |
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| METRO IND | OH | Flat Washer | Steel | Plain | M19 x 30 | m19 x 30 flat washer .5mm thick steel | 480 |
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| METRO IND | OH | Flat Washer | Steel | Plain | M19 x 30 | m19 x 30 flat washer 1mm thick steel | 196 |
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| METRO IND | OH | Flat Washer | Steel | Plain | M19 x 30 | m19 x 30 flat washer 2mm thick steel | 382 |
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| METRO IND | OH | Flat Washer | Steel | Plain | M19 x 30 | m19 x 30 flat washer 5mm thick steel | 415 |
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| METRO IND | OH | Flat Washer | Steel | Plain | M19 x 38 | m19 x 38 flat washer 5mm thick steel | 200 |
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| METRO IND | OH | Flat Washer | Steel | Plain | M20 x 32 | m20 x 32 flat washer 1mm thick steel | 10 |
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| METRO IND | OH | Flat Washer | Steel | Plain | M20 x 71 | m20 x 71 flat washer 10.5mm thick steel | 21 |
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| METRO IND | OH | Flat Washer | Steel | Plain | M21 x 32 | m21 x 32 flat washer 3mm thick steel | 218 |
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| CNB | IL | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/4 | flat 18-8 s/s | 3 |
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| Future Fastener | TX | Flat Washer | Steel | Zinc/Clear | M02 | M02 flat plt | 2700 |
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| Future Fastener | TX | Flat Washer | Brass | Plain | 3/8 | 3/8 lp flat brass | 100 |
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| SII | IN | Flat Washer | Steel | Zinc/Clear | #5 | #5 zinc flat washer) | 1000 |
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| SII | IN | Flat Washer | Class 10.9 | Plain | M18 | m18 10.9 plain flat washer) | 100 |
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| SII | IN | Flat Washer | Class 10.9 | Plain | M20 | m20 10.9 plain flat washer) | 50 |
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| SII | IN | Flat Washer | Class 10.9 | Plain | M24 | m24 10.9 plain flat washer) | 100 |
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| SII | IN | Flat Washer | Class 10.9 | Plain | M30 | m30 10.9 plain flat washer) | 25 |
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| SII | IN | Flat Washer | Class 10.9 | Plain | M33 | m33 10.9 plain flat washer) | 25 |
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| SII | IN | Flat Washer | Class 10.9 | Plain | M36 | m36 10.9 plain flat washer) | 25 |
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| SII | IN | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2 | 1/2 18-8 stainless steel large od flat washer) | 328 |
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| SII | IN | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/4 | 3/4 18-8 stainless steel large od flat washer) | 26 |
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| SII | IN | Flat Washer | Steel | Plain | medi-first 32oz eyewash bottle | 5 |
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| B & K FAST | PA | Flat Washer | Aluminum | Plain | 1/4 | 1/4 aluminum flat washers b18.22.1 | 5100 |
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| B & K FAST | PA | Flat Washer | Aluminum | Plain | 3/8 aluminum flat washers 7/8 od b18.22.1 | 1000 |
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| B & K FAST | PA | Flat Washer | Aluminum | Plain | 1/2 aluminum flat washers 1 1/4 od b18.22.1 | 380 |
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| B & K FAST | PA | Flat Washer | Copper | Plain | 3/16 x 7/16 x 1/32 | 3/16 x 7/16 x 1/32 copper flat washers b18.22.1 | 14 |
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| B & K FAST | PA | Flat Washer | Copper | Plain | 1/4 x 1/2 x 1/32 | 1/4 x 1/2 x 1/32 copper flat washers b18.22.1 | 7 |
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| B & K FAST | PA | Flat Washer | Steel | Plain | 1/8 | 1/8 countersink deburring tool weldon cs-8s b18.22.1 | 2 |
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| B & K FAST | PA | Flat Washer | Silicon Bronze | Painted | 1/2 x 1 1/4 | 1/2 x 1 1/4 sil bronze flat washers .562 x 1.25 x .078 b18.22.1 | 182 |
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| B & K FAST | PA | Flat Washer | Brass | Plain | 5/8 x 1 3/4 | 5/8 x 1 3/4 od brass flat washers b18.22.1 | 1 |
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| B & K FAST | PA | Flat Washer | Brass | Plain | 1 1/4 x 3 x 1.315 | 1 1/4 x 3 od brass flat washers 1.315 x 2.993 x .164 b18.22.1 | 5 |
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| B & K FAST | PA | Flat Washer | Steel | Zinc/Clear | M2.5 | m2.5 flat washers din 125a zinc | 788 |
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| B & K FAST | PA | Flat Washer | Steel | Zinc/Clear | M4 | m4 flat washers din 125a zinc | 1163 |
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| B & K FAST | PA | Flat Washer | Steel | Plain | M10 | m10 flat washers din 125a plain | 9 |
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| B & K FAST | PA | Flat Washer | Steel | Zinc/Clear | M10 | m10 flat washers din 125a zinc | 75 |
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| B & K FAST | PA | Flat Washer | Steel | Zinc/Clear | M14 | m14 flat washers din 125a zinc | 16 |
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| B & K FAST | PA | Flat Washer | Steel | Plain | M16 | m16 flat washers din 125a plain | 10 |
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| B & K FAST | PA | Flat Washer | Steel | Zinc/Clear | M42 | m42 flat washers din 125a zinc | 4 |
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| TSF | TX | Flat Washer | Silicon Bronze | Plain | 1/2 | flat washer silicon bronze 1/2 | 42 |
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| TSF | TX | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | .218 x .437 x .065 .036 | flat washer ss .218x.437x.065-.036 | 2650 |
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| TSF | TX | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #2 | flat washer stainless dfar #2(.093) x .250 x .025/.016 | 4650 |
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| TSF | TX | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #6 | f.w. ss .156 x .312 x .027-.048 | 1900 |
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| TSF | TX | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/16 | 3/16 stainless steel backup washer | 1400 |
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| American | NY | Flat Washer | Steel | Cadmium | #8 x .312 x .062 | flat cad pl | 350 |
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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 | 200 |
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| American | NY | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 0.406 x 0.812 x 0.062 | 3/8 ss 0.406 idx0.812 odx0.062 th 18-8 304 | 1000 |
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