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 / Furnace Black | M6.62 x 12 x 1.80 | 17m06din34815 6.62x12x 1.80mm nylon flat washer natural | 7000 |
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| Endries | WI | Flat Washer | Steel | Zinc/Clear | .260/.270 x .493/.530 x .084/.090 | .260/.270x.493/.530x .084/.090 flat washer tri clr zinc 120 wh/144 red rust | 3900 |
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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 | Nylon (Polyamide) | Plain / Furnace Black | .531 x .74 x .187 | 17w07505 .531x.74x.187 nylon flat washer | 119 |
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| OneMonroe | NC | Flat Washer | Nylon (Polyamide) | Plain / Furnace Black | 0.375 x 0.625 x 0.032 | 0.375 id x 0.625 od x 0.032 thick nylon flat washer | 3200 |
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| OneMonroe | NC | Flat Washer | Nylon (Polyamide) | Plain / Furnace Black | 0.375 x 0.625 x 0.032 | 0.375 id x 0.625 od x 0.032 thick nylon flat washer | 400 |
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| OneMonroe | NC | Flat Washer | Nylon (Polyamide) | Plain / Furnace Black | 0.443 | 0.443 id (7/16 ) x 0.75 od x 0.062 thick nylon flat washer | 40 |
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| OneMonroe | NC | Flat Washer | Plastic | Plain / Furnace Black | M0.437 x 1 x 0.060 | 0.437 id x 1 od x 0.060 thick gray pvc flat washer | 200 |
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| OneMonroe | NC | Flat Washer | Fiber | Plain / Furnace Black | M4.3 x 9 x .8 | 4.3mmid x 9mmod x .8mmthick metric fiber flat washer | 1700 |
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| OneMonroe | NC | Flat Washer | Steel | Zinc/Yellow | M10 | m10 steel yellow zinc 200 hv flat washer din 125 | 150 |
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| OneMonroe | NC | Flat Washer | Steel | Zinc/Yellow | M12 | m12 steel yellow zinc 200 hv flat washer din 125 | 150 |
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| OneMonroe | NC | Flat Washer | Steel | Plain / Furnace Black | 1/4 x 2 7/16 | washer1 1/4in x 2 7/16in | 77 |
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| OneMonroe | NC | Flat Washer | Steel | Plain / Furnace Black | M5 x 15 | m5 x 15mm od low carbon steel extra thick general purpose flat washer din 7349 | 200 |
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| OneMonroe | NC | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | 1/4 | 1 1/4 flat washer commercial stainless | 344 |
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| OneMonroe | NC | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | 1/4 | 1 1/4 flat washer commercial stainless | 48 |
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| OneMonroe | NC | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | 1/4 | washer flat 1/4 narrow typeb s/s | 1834 |
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| OneMonroe | NC | Flat Washer | Brass | Nickel Plated | #6 x 5/16 | #6 x 5/16 flat washer nickel plate brass | 401 |
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| OneMonroe | NC | Flat Washer | Brass | Plain / Furnace Black | #6 x 5/16 | #6 x 5/16 flat washer brass | 700 |
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| OneMonroe | NC | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | #10 | #10 18-8 stainless steel flat washer-.21 id x .375 od x .050 thick | 1440 |
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| OneMonroe | NC | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | 1 1/2 | 1-1/2 18-8 stainless steel small od flat washer | 140 |
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| OneMonroe | NC | Flat Washer | Steel | Plain / Furnace Black | 1 x 1 3/8 | 1 x1-3/8 ret washer | 4 |
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| OneMonroe | NC | Flat Washer | Rubber, Buna-N, Neoprene etc. | Plain / Furnace Black | 1 1/4 | 1-1/4 rubber tip w/washer | 19 |
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| OneMonroe | NC | Flat Washer | Steel | Plain / Furnace Black | tinnerman washer | 139 |
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| OneMonroe | NC | Flat Washer | Rubber, Buna-N, Neoprene etc. | Plain / Furnace Black | metal washer with rubber sealer | 32 |
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| TownCountry | AR | Flat Washer | Steel | Zinc/Clear | M12 | m12 flat washers hv140 zinc | 2800 |
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| TownCountry | AR | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | 1/4 | 1/4 flat washer ms#810 s.s. 18-8-0.281 i.d.x 0.625 o.d. x 0.045 thick | 3300 |
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| MAINSOURC | NH | Flat Washer | Steel | Plain / Furnace Black | M2.5 | flt wshr stl z/clr din 125a | 8947 |
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| MAINSOURC | NH | Flat Washer | Steel | Plain / Furnace Black | M2.5 | flt wshr stl z/clr din 433 | 100 |
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| MAINSOURC | NH | Flat Washer | Steel | Zinc/Yellow | M2.5 | flt wshr stl zy din 125a | 750 |
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| MAINSOURC | NH | Flat Washer | Nylon (Polyamide) | Plain / Furnace Black | .194 x .375 x .093 | #10 flt wshr (.194x.375x.093) nylon blk | 4000 |
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| MAINSOURC | NH | Flat Washer | Nylon (Polyamide) | Plain / Furnace Black | .23 x .63 x .06 | #12 flt wshr (.23x.63x.06) nylon blk | 300 |
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| Endries | WI | Flat Washer | Steel | Zinc/Yellow | 3/8 | 3/8 standard flat washer tri ylw 72hr white rust (.433x.993x.064) | 2500 |
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| Endries | WI | Flat Washer | Galvanized | 7/8 | 7/8 standard flat washer galvanized (.931x2.243x.136) | 175 |
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| Endries | WI | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | 1 x 2 1/2 | 06775 1x2-1/2 overall length stainless steel 1/4 hex shank burr brush | 4 |
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| Endries | WI | Flat Washer | Steel | Zinc/Clear | M25 x 44 x 4 | 25x44x4mm flat washer rockwell c hardness 38-45 zinc | 60 |
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| Endries | WI | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | .210/.230 x .645/.665 x .055/.065 | .210/.230x.645/.665x.055/.065 18-8 stainless steel flat washer astm a967 passivated | 105 |
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| Endries | WI | Flat Washer | Steel | Plain / Furnace Black | .194 x .690 | .194 id x .690 od fl wash .156 thk stl | 920 |
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| Endries | WI | Flat Washer | Steel | Zinc/Clear | .265 x .562 x .029 | .265x.562x.029 flat washer zinc | 10000 |
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| Endries | WI | Flat Washer | Nylon (Polyamide) | Plain / Furnace Black | .405 x .626 x .036 | wf-0626-0405-0036 .405x .626x.036 nylon flat washer | 1000 |
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| Endries | WI | Flat Washer | Steel | Zinc/Clear | .630/.690 x 2.78/2.84 x .176/.196 | .630/.690x2.78/2.84x .176/.196 flat washer trivalent clear zinc | 19 |
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| Endries | WI | Flat Washer | Steel | Plain / Furnace Black | .194 x .690 | .194 id x .690 od fl wash .062 thk stl | 920 |
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| Endries | WI | Flat Washer | Plain / Furnace Black | .526/.536 x .812/.832 x .057/.067 | .526/.536x.812/.832x.057/.067 flat washer plain | 1000 |
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| Endries | WI | Flat Washer | Teflon (PTFE) | Plain / Furnace Black | .165 | .165/.175x.370/.380x.031 ptfe washer | 160 |
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| Jackson | MS | Flat Washer | Steel | Galvanized | 5/8 | og | 47 |
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| ACCURATE | IL | Flat Washer | Steel | Plain / Furnace Black | 5/8 x 2 1/2 x 1/4 | flat plate | 2 |
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| ACCURATE | IL | Flat Washer | Steel | Plain / Furnace Black | 3/4 x 3 x 1/4 | flat plate | 34 |
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| Jay-Cee | MI | Flat Washer | Steel | Plain / Furnace Black | inquire |
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| RCFast | AZ | Flat Washer | 316, 317, A4 Stainless | Plain / Furnace Black | M3 | flat stainless a4 | 2000 |
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| RCFast | AZ | Flat Washer | Steel | Zinc/Black | M5 | flat stl black rohs | 55200 |
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| RCFast | AZ | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Black Oxide | #2 | flat nylon black (.094x.18-8 304 s/sx.02) rohs | 12000 |
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| RCFast | AZ | Flat Washer | Rubber, Buna-N, Neoprene etc. | Plain / Furnace Black | 8-10 x 5/8 | od neoprene flat stl anized | 3000 |
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| YANKEE | NH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Black Oxide | 1/4 x 5/8 x .045 .050 | 1/4 x 5/8 od x .045-.050tk flat washer 18-8 stainless steel w/black oxide finish | 518 |
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| YANKEE | NH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Black Oxide | #6 .140 x .280 x .035 | #6 flatwasher.140id .280od .035tk s/s blk oxide | 5700 |
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| METRO IND | OH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | 5/8 | 5/8 tool slotted flat s/s | 9 |
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| C & S Fas | FL | Flat Washer | Plain / Furnace Black | M36 | 36mm flat washer 140 hv plain din 125a | 98 |
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| C & S Fas | FL | Flat Washer | Plain / Furnace Black | M10 | 10mm flat washer 200 hv plain din 125a | 4994 |
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| C & S Fas | FL | Flat Washer | 316, 317, A4 Stainless | Plain / Furnace Black | M10 | 10mm flat washer a4 (316ss) din 125a | 2300 |
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| C & S Fas | FL | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | M10 | 10mm flat washer a2 (18-8ss) din 125a | 1289 |
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| C & S Fas | FL | Flat Washer | 316, 317, A4 Stainless | Plain / Furnace Black | M14 | 14mm flat washer a4 (316ss) din 125a | 1092 |
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| C & S Fas | FL | Flat Washer | Steel | Zinc/Clear | M14 | 14mm flat washer 200 hv zinc din 125a | 750 |
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| C & S Fas | FL | Flat Washer | 316, 317, A4 Stainless | Plain / Furnace Black | M18 | 18mm flat washer a4 (316ss) din 125a | 500 |
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| C & S Fas | FL | Flat Washer | Steel | Zinc/Yellow | M18 | 18mm flat washer 200 hv yellow zinc din 125a | 1156 |
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| C & S Fas | FL | Flat Washer | Plain / Furnace Black | M22 | 22mm flat washer 300 hv plain din 125a | 437 |
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| C & S Fas | FL | Flat Washer | Plain / Furnace Black | M24 | 24mm flat washer 200 hv plain din 125a | 360 |
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| C & S Fas | FL | Flat Washer | Steel | Zinc/Clear | M24 | 24mm flat washer 200 hv zinc din 125a | 450 |
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| C & S Fas | FL | Flat Washer | Plain / Furnace Black | M30 | 30mm flat washer 300 hv plain din 125a | 116 |
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| C & S Fas | FL | Flat Washer | Aluminum | Plain / Furnace Black | 3/8 x 1 1/2 | 3/8 x 1-1/2 neo bonded aluminum flat washer | 35900 |
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| C & S Fas | FL | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | M4 | 4mm flat washer a2 (18-8ss) din 125a | 1600 |
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| C & S Fas | FL | Flat Washer | 316, 317, A4 Stainless | Plain / Furnace Black | #4 | #4 flat washer 316ss | 800 |
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| C & S Fas | FL | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | M5 | 5mm flat washer a2 (18-8ss) din 125a | 3196 |
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| C & S Fas | FL | Flat Washer | Steel | Zinc/Clear | M6 | 6mm flat washer 200 hv zinc din 125a | 14335 |
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| C & S Fas | FL | Flat Washer | Steel | Zinc/Clear | M7 | 7mm flat washer 200 hv zinc din 125a | 11200 |
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| C & S Fas | FL | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | 818 commerical flat washer 18-8ss | 400 |
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| MAINSOURC | NH | Flat Washer | Nylon (Polyamide) | Plain / Furnace Black | .257 x .500 x .032 | 1/4 flt wshr (.257x.500x.032) nylon | 7490 |
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| MAINSOURC | NH | Flat Washer | Plastic | Plain / Furnace Black | .128 x .250 x .030 | #4 flt wshr (.128x.250x.030) delrin | 25 |
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| MAINSOURC | NH | Flat Washer | Nylon (Polyamide) | Plain / Furnace Black | .112 x .206 x .053 | #4 flt wshr (.112x.206x.053) nylon | 640 |
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| MAINSOURC | NH | Flat Washer | Nylon (Polyamide) | Plain / Furnace Black | .125 x .250 x .016 | #4 flt wshr (.125x.250x.016) nylon | 265 |
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| Jackson | MS | Flat Washer | Nylon (Polyamide) | Plain / Furnace Black | 5/16 x 1 1/4 | 5/16 od 1-1/4 bolt id 1/16 thick special | 15 |
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| Future Fastener | TX | Flat Washer | Galvanized | M8 | m8 flat washer hot dip galvanized din 125 | 634 |
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| Future Fastener | TX | Flat Washer | Galvanized | M12 | m12 flat washer hot dip galvanized din 125 | 1825 |
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| Future Fastener | TX | Flat Washer | Steel | Galvanized | M14 | m14 flat washer hot dip galvanized | 45 |
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| Future Fastener | TX | Flat Washer | Galvanized | M16 | m16 flat washer hot dip galvanized din 125 | 51 |
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| Future Fastener | TX | Flat Washer | Steel | Galvanized | M18 | m18 flat washer hot dip galvanized | 34 |
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| Future Fastener | TX | Flat Washer | Steel | Galvanized | M20 | m20 flat washer hot dip galvanized | 171 |
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| Future Fastener | TX | Flat Washer | Copper | Plain / Furnace Black | M17 x 23 | m17 x 23mm od flat washer copper | 90 |
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| Future Fastener | TX | Flat Washer | Steel | Galvanized | M30 | m30 flat washer hot dip galvanized | 20 |
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| MAINSOURC | NH | Flat Washer | Nylon (Polyamide) | Plain / Furnace Black | .438 x .625 x .031 | 3/8 flt wshr (.438x.625x.031) nylon | 4000 |
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| Jackson | MS | Flat Washer | Steel | Plain / Furnace Black | 5/8 x 8 | head drive spike area 2m | 224 |
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| Jackson | MS | Flat Washer | Steel | Zinc/Clear | 5/8 x 10 | head drive spike area 2m | 50 |
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| Jackson | MS | Flat Washer | Steel | Plain / Furnace Black | 5/8 x 11 | head drive spike area 2m | 449 |
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| FTS | OH | Flat Washer | Steel | Phosphate | M10 | f/w stl blk phos din 433 | 314 |
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| FTS | OH | Flat Washer | Steel | Plain / Furnace Black | M10 f/w bn 80062 stl | 1500 |
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| FTS | OH | Flat Washer | Steel | Plain / Furnace Black | M10 | f/w stl din 125a | 2062 |
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| FTS | OH | Flat Washer | Steel | Plain / Furnace Black | M10 | f/w tp 200 stl din 125a | 587 |
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| FTS | OH | Flat Washer | Steel | Zinc/Clear | M10 | f/w stl zn din 125a | 3000 |
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| FTS | OH | Flat Washer | Steel | Zinc/Clear | M10 | f/w stl zn din 126 | 400 |
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| FTS | OH | Flat Washer | Steel | Zinc/Clear | M10 | f/w stl zn din 1440 | 460 |
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| FTS | OH | Flat Washer | Steel | Zinc/Clear | M10 | f/w stl zn din 433 | 29 |
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| FTS | OH | Flat Washer | Steel | Black Oxide | M10 x 10.5 | M10 fw 10.5idx23odx4.5/5.4thk hard stl | 3950 |
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| FTS | OH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | M12 | f/w a2 ss din 125a | 52 |
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| FTS | OH | Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain / Furnace Black | M12 | f/w a2 ss din 125b | 2000 |
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| FTS | OH | Flat Washer | Steel | Phosphate | M12 | f/w stl phos din 125a | 2885 |
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| FTS | OH | Flat Washer | Steel | Phosphate | M12 | f/w stl phos din 433 | 1172 |
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| FTS | OH | Flat Washer | Steel | Plain / Furnace Black | M12 | f/w stl din 125a | 759 |
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| FTS | OH | Flat Washer | Steel | Plain / Furnace Black | M12 | f/w tp 200 stl din 125a | 144 |
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| FTS | OH | Flat Washer | Steel | Plain / Furnace Black | M12 | f/w stl din 126 | 1900 |
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| FTS | OH | Flat Washer | Steel | Plain / Furnace Black | M12 | f/w stl din 433 | 99 |
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| FTS | OH | Flat Washer | Steel | Plain / Furnace Black | M12 | f/w stl din 7989a | 100 |
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| FTS | OH | Flat Washer | Steel | Zinc/Clear | M12 | f/w stl zn/ni/clr din 126 | 6613 |
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| FTS | OH | Flat Washer | Steel | Zinc/Clear | M12 | f/w stl zn bn 737 | 45 |
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| B & K FAST | PA | Flat Washer | Nylon (Polyamide) | Plain / Furnace Black | 7/16 | 7/16 nylon flat s b18.22.1 | 160 |
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| Jackson | MS | Flat Washer | Steel | Plain / Furnace Black | 2 | 2 each 1/2 eye nut 3.5 stud nut f/w | 49 |
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