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Woodruff Keys
Woodruff keys, sometimes called Half-Moon Keys, are semicircular shaped keys, such that, when installed into a semi-circular pocket keyway in a shaft, they leave a protruding tab.. They are used to improve the concentricity of the shaft and the mating part, which is critical for high speed operation. They are called “keys” because they lock a component to the shaft by means of a corresponding keyway in a shaft.
827 Woodruff Key, showing 200, (click on any line for more information)
| Buy Woodruff Keys from one of our FCH Network Members | ||||||||
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| Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
| Century | FL | Woodruff Key | Steel | Plain | #7 | #7 woodruff key alloy steel | 100 |
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| Century | FL | Woodruff Key | Steel | Plain | ms35756-3 q4b | 93 |
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| Century | FL | Woodruff Key | Steel | Plain | ms35756-1 | 95 |
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| Jackson | MS | Woodruff Key | Steel | Plain | 5/32 x 5/8 | woodruff key carbon finish | 343 |
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| METRO IND | OH | Woodruff Key | Steel | Plain | M10 x 16 | woodruff key din 6888 | 202 |
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| METRO IND | OH | Woodruff Key | Steel | Plain | M5 x 9 | woodruff key din 6888 | 821 |
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| METRO IND | OH | Woodruff Key | Steel | Plain | M7 x 10 | m7 x 10 woodruff key din 6888 steel | 188 |
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| METRO IND | OH | Woodruff Key | Steel | Plain | M5 x 5 | m5 x 5 woodruff key din 6888 steel | 1736 |
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| METRO IND | OH | Woodruff Key | Steel | Plain | M5 x 6.5 | m5 x 6.5 woodruff key din 6888 steel | 466 |
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| METRO IND | OH | Woodruff Key | Steel | Plain | M5 x 7.5 | m5 x 7.5 woodruff key din 6888 steel | 662 |
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| METRO IND | OH | Woodruff Key | Steel | Plain | M6 x 9 | m6 x 9 woodruff key din 6888 steel | 487 |
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| METRO IND | OH | Woodruff Key | Steel | Plain | M7 x 11 | m7 x 11 woodruff key din 6888 steel | 23 |
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| METRO IND | OH | Woodruff Key | Steel | Plain | M8 x 11 | m8 x 11 woodruff key din 6888 steel | 381 |
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| METRO IND | OH | Woodruff Key | Steel | Plain | M8 x 13 | m8 x 13 woodruff key din 6888 steel | 155 |
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| METRO IND | OH | Woodruff Key | Steel | Plain | M10 x 13 | m10 x 13 woodruff key din 6888 steel | 211 |
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| METRO IND | OH | Woodruff Key | Steel | Plain | M3 x 5 | woodruff key din 6888 | 400 |
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| METRO IND | OH | Woodruff Key | Steel | Plain | M3 x 6.5 | woodruff key din 6888 | 839 |
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| METRO IND | OH | Woodruff Key | Steel | Plain | M3 x 7.5 | woodruff key din 6888 | 660 |
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| METRO IND | OH | Woodruff Key | Steel | Plain | M4 x 5 | woodruff key din 6888 | 764 |
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| METRO IND | OH | Woodruff Key | Steel | Plain | M4 x 6.5 | woodruff key din 6888 | 258 |
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| METRO IND | OH | Woodruff Key | Steel | Plain | M4 x 7.5 | woodruff key din 6888 | 1283 |
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| METRO IND | OH | Woodruff Key | Steel | Plain | M4 x 9 | woodruff key din 6888 | 176 |
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| METRO IND | OH | Woodruff Key | Steel | Plain | M5 x 10 | woodruff key din 6888 | 18 |
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| METRO IND | OH | Woodruff Key | Steel | Plain | M6 x 10 | woodruff key din 6888 | 98 |
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| Hayes | CA | Woodruff Key | Steel | Plain | 3/16 x 1 | 3/16x1 (dia) woodruff key stl pln | 128 |
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| Hayes | CA | Woodruff Key | Steel | Plain | 3/16 x 1 1/8 | 3/16x1 1/8 (dia) woodruff key stl pln | 188 |
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| Hayes | CA | Woodruff Key | Steel | Plain | 3/16 x 1 1/4 | 3/16x1 1/4 (dia) woodruff key stl pln | 52 |
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| Hayes | CA | Woodruff Key | Steel | Plain | 1/8 x 5/8 | 1/8x5/8 (dia) woodruff key pln stl | 31 |
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| Hayes | CA | Woodruff Key | Steel | Plain | 3/16 x 2 1/8 | 3/16x2 1/8 (dia) woodruff key stl pln | 9 |
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| Hayes | CA | Woodruff Key | Steel | Plain | 3/16 x 5/8 | 3/16x5/8 (dia) woodruff key stl pln | 170 |
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| Hayes | CA | Woodruff Key | Steel | Plain | 3/16 x 3/4 | 3/16x3/4 (dia) woodruff key stl pln | 213 |
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| Hayes | CA | Woodruff Key | Ni-Cu Alloy (Monel, K-Monel, etc.) | Plain | 3/16 x 7/8 | 3/16x7/8 (dia) woodruff key monel | 150 |
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| Hayes | CA | Woodruff Key | Steel | Plain | 7/32 x 1 | 7/32x1 (dia) woodruff key stl pln | 10 |
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| Hayes | CA | Woodruff Key | Steel | Plain | 1/4 x 1 1/8 | 1/4x1 1/8 (dia) woodruff key stl pln | 47 |
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| Hayes | CA | Woodruff Key | Steel | Plain | 1/4 x 1 1/4 | 1/4x1 1/4 (dia) woodruff key stl pln | 9 |
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| Hayes | CA | Woodruff Key | Steel | Plain | 1/4 x 1 3/8 | 1/4x1 3/8 (dia) woodruff key stl pln | 9 |
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| Hayes | CA | Woodruff Key | Steel | Plain | 1/4 x 1 1/2 | 1/4x1 1/2 (dia) woodruff key stl pln | 95 |
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| Hayes | CA | Woodruff Key | Ni-Cu Alloy (Monel, K-Monel, etc.) | Plain | 1/4 x 1 1/2 | 1/4x1 1/2 (dia) woodruff key monel | 48 |
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| Hayes | CA | Woodruff Key | Steel | Plain | 1/4 x 3/4 | 1/4x3/4 (dia) woodruff key stl pln | 139 |
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| Hayes | CA | Woodruff Key | Steel | Plain | 1/4 x 7/8 | 1/4x7/8 (dia) woodruff key stl pln | 41 |
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| Hayes | CA | Woodruff Key | Steel | Plain | 5/16 x 1 3/8 | 5/16x1 3/8 (dia) woodruff key stl pln | 76 |
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| Hayes | CA | Woodruff Key | Steel | Plain | 5/16 x 1 1/2 | 5/16x1 1/2 (dia) woodruff key stl pln | 126 |
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| Hayes | CA | Woodruff Key | Steel | Plain | 3/8 x 1 3/8 | 3/8x1 3/8 (dia) woodruff key stl pln | 90 |
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| Hayes | CA | Woodruff Key | Steel | Plain | 3/32 x 5/16 | 3/32x5/16 (dia) woodruff key stl pln | 110 |
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| YANKEE | NH | Woodruff Key | Steel | Plain | 3/16 x 5/8 | 3/16 x 5/8 woodruff key | 190 |
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| YANKEE | NH | Woodruff Key | Steel | Plain | 3/16 x 3/4 | 3/16 x 3/4 woodruff key | 184 |
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| YANKEE | NH | Woodruff Key | Steel | Plain | 3/16 x 7/8 | 3/16 x 7/8 woodruff key | 1 |
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| YANKEE | NH | Woodruff Key | Steel | Plain | 5/16 x 1 | 5/16 x 1 woodruff key | 17 |
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| YANKEE | NH | Woodruff Key | Steel | Plain | 1/4 x 1 1/8 | woodruff key | 119 |
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| Endries | WI | Woodruff Key | Steel | Plain | 3/8 x 1 3/8 | #f 3/8x1-3/8 carbon woodruff key | 15 |
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| Endries | WI | Woodruff Key | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #3 1/8 x 1/2 | #3 1/8x1/2 18-8 s/s steel woodruff key | 215 |
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| Endries | WI | Woodruff Key | Plain | 1/16 x 1/2 | #1 1/16x1/2 carbon woodruff key | 90 |
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| NAPPCO | TX | Woodruff Key | Steel | Plain | 1/8 x 1/2 | woodruff key steel 1/8x1/2 | 532 |
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| ACCURATE | IL | Woodruff Key | Steel | Plain | 3/16 x 3/4 | woodruff key #9 | 282 |
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| ACCURATE | IL | Woodruff Key | Steel | Plain | 1/8 x 1/2 | woodruff key type 404 #3 | 60 |
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| ACCURATE | IL | Woodruff Key | Steel | Plain | 1/4 x 1 | woodruff key | 16 |
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| OneMonroe | NC | Woodruff Key | Steel | Plain | 3/16 x 3/4 | woodruff key #9 or #606 carbon stl | 1006 |
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| OneMonroe | NC | Woodruff Key | Steel | Plain | 1/8 x 3/8 | 1/8 x 3/8 woodruff key | 68 |
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| OneMonroe | NC | Woodruff Key | Steel | Plain | 1/8 x 1/2 | 1/8 x 1/2 woodruff key | 190 |
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| OneMonroe | NC | Woodruff Key | Steel | Plain | 1/8 x 5/8 | 1/8 x 5/8 woodruff key | 300 |
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| OneMonroe | NC | Woodruff Key | Steel | Plain | 1/8 x 3/4 | 1/8 x 3/4 woodruff key | 96 |
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| OneMonroe | NC | Woodruff Key | Steel | Plain | 5/32 x 5/8 | 5/32 x 5/8 woodruff key | 124 |
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| OneMonroe | NC | Woodruff Key | Steel | Plain | 5/32 x 3/4 | 5/32 x 3/4 woodruff key | 39 |
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| OneMonroe | NC | Woodruff Key | Steel | Plain | 5/32 x 7/8 | 5/32 x 7/8 woodruff key | 79 |
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| OneMonroe | NC | Woodruff Key | Steel | Plain | 3/16 x 1 | 3/16 x 1 woodruff key | 29 |
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| OneMonroe | NC | Woodruff Key | Steel | Plain | 3/16 x 1 1/8 | 3/16 x 1 1/8 woodruff key | 97 |
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| OneMonroe | NC | Woodruff Key | Steel | Plain | 3/16 x 1 1/4 | 3/16 x 1 1/4 woodruff key | 45 |
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| OneMonroe | NC | Woodruff Key | Steel | Plain | 3/16 x 3/4 | 3/16 x 3/4 woodruff key | 98 |
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| OneMonroe | NC | Woodruff Key | Steel | Plain | 3/16 x 7/8 | 3/16 x 7/8 woodruff key | 188 |
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| OneMonroe | NC | Woodruff Key | Steel | Plain | 7/32 x 7/8 | 7/32 x 7/8 woodruff key | 7 |
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| OneMonroe | NC | Woodruff Key | Steel | Plain | 1/4 x 1 1/8 | 1/4 x 1 1/8 woodruff key | 98 |
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| OneMonroe | NC | Woodruff Key | Steel | Plain | 1/4 x 1 1/4 | 1/4 x 1 1/4 woodruff key | 164 |
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| OneMonroe | NC | Woodruff Key | Steel | Plain | 1/4 x 1 3/8 | 1/4 x 1 3/8 woodruff key | 99 |
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| OneMonroe | NC | Woodruff Key | Steel | Plain | 1/4 x 3/4 | 1/4 x 3/4 woodruff key | 90 |
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| OneMonroe | NC | Woodruff Key | Steel | Plain | 1/4 x 7/8 | 1/4 x 7/8 woodruff key | 72 |
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| OneMonroe | NC | Woodruff Key | Steel | Plain | 3/32 x 5/8 | 3/32 x 5/8 key no 4 woodruff key | 61 |
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| Eurolink | SC | Woodruff Key | Steel | Plain | M3 x 3.7 | 3 x 3.7 din 6888 plain finish woodruff key | inquire |
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| Eurolink | SC | Woodruff Key | Steel | Plain | M8 x 11 | 8x11 plain finish woodruff key din 6888 | inquire |
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| Eurolink | SC | Woodruff Key | Steel | Plain | M3 x 5 | 3x5 plain finish woodruff key din 6888 | inquire |
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| Eurolink | SC | Woodruff Key | Steel | Plain | M5 x 10 | 5x10 plain finish woodruff key din 6888 | inquire |
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| Eurolink | SC | Woodruff Key | 316, 317, A4 Stainless | Plain | M4 x 6.5 | 4x6.5 a4 stainless steel woodruff key din 6888 | inquire |
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| Eurolink | SC | Woodruff Key | Steel | Plain | M10 x 16 | 10x 16 plain finish woodruff key din 6888 | inquire |
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| Eurolink | SC | Woodruff Key | Steel | Plain | M6 x 9 | 6x9 plain finish woodruff key din 6888 | inquire |
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| Eurolink | SC | Woodruff Key | Steel | Plain | M6 x 22 | 6x22 plain finish woodruff key din 6888 | inquire |
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| Eurolink | SC | Woodruff Key | Steel | Plain | M2 x 5 | 2x5 plain finish woodruff key din 6888 | inquire |
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| Eurolink | SC | Woodruff Key | Steel | Plain | M5 x 6.5 | 5x6.5 plain finish woodruff key din 6888 | inquire |
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| Eurolink | SC | Woodruff Key | Steel | Plain | M5 x 10 | 5x10 plain finish woodruff key din 6888 | inquire |
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| Endries | WI | Woodruff Key | Steel | Plain | 3/16 x 1 1/8 | #16 3/16x1-1/8 carbon woodruff key | 450 |
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| Purchase | MO | Woodruff Key | Steel | Plain | #201 | #201 woodruff key stl plain | 1,000 |
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| MMCC | IL | Woodruff Key | Steel | Plain | M8 x 9 | woodruff key din 6888 steel plain | 4 |
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| MMCC | IL | Woodruff Key | Steel | Plain | M1 x 1.4 | woodruff key din 6888 steel plain | 4 |
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| MMCC | IL | Woodruff Key | Steel | Plain | M2 x 2.6 | woodruff key din 6888 steel plain | 158 |
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| MMCC | IL | Woodruff Key | Steel | Plain | M3 x 5 | woodruff key din 6888 steel plain | 283 |
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| MMCC | IL | Woodruff Key | Steel | Plain | M2.5 x 3.7 | woodruff key din 6888 steel plain | 22 |
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| MMCC | IL | Woodruff Key | Steel | Plain | M2 x 5 | woodruff key din 6888 steel plain | 246 |
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| MMCC | IL | Woodruff Key | Steel | Plain | M4 x 6.5 | woodruff key din 6888 steel plain | 1584 |
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| MMCC | IL | Woodruff Key | Steel | Plain | M4 x 7.5 | woodruff key din 6888 steel plain | 1 |
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| MMCC | IL | Woodruff Key | Steel | Plain | M4 x 5 | woodruff key din 6888 steel plain | 2353 |
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| MMCC | IL | Woodruff Key | Steel | Plain | M5 x 10 | woodruff key din 6888 steel plain | 94 |
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| QFC | TX | Woodruff Key | Steel | Plain | #5 1/8 x 5/8 109 | #5 1/8x5/8 woodruff key 109-40 | 31 |
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| QFC | TX | Woodruff Key | Steel | Plain | #1/4 x 7/8 | #a 1/4x7/8 woodruff key | 1 |
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| QFC | TX | Woodruff Key | Steel | Plain | #15 1/4 x 1 137 | #15 1/4x1 woodruff key 137-40 | 10 |
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| SIS | AZ | Woodruff Key | Steel | Plain | #5 1/8 x 5/8 | #5 1/8x5/8 woodruff keys plain | 100 |
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| SIS | AZ | Woodruff Key | Steel | Plain | #5/16 x 1 1/8 | #c 5/16x1 1/8 woodruff keys plain | 50 |
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| B & K FAST | PA | Woodruff Key | Steel | Plain | 3/16 x 7/8 | 3/16 x 7/8 woodruff keys | 193 |
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| Wurth Ada | MN | Woodruff Key | Steel | Plain | M5 x 0 x 6 | woruf key din6888 c45k 5 0x6 5 | 8,000 |
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| Wurth Ada | MN | Woodruff Key | Steel | Plain | M3 x 0 x 5 | worukey din6888 c45k 3 0x5 0 | 8,000 |
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| THRDFAST | FL | Woodruff Key | Steel | Plain | 3/16 x 3/4 | woodruff key #9 | 35 |
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| Valley Nu | WA | Woodruff Key | Steel | Plain | 1/16 x 1/2 | woodruff key | 40 |
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| Valley Nu | WA | Woodruff Key | Steel | Plain | 3/32 x 1/2 | woodruff key | 60 |
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| Valley Nu | WA | Woodruff Key | Steel | Plain | 5/32 x 5/8 | woodruff key | 4 |
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| Valley Nu | WA | Woodruff Key | Steel | Plain | 3/32 x 5/8 | woodruff key | 72 |
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| Valley Nu | WA | Woodruff Key | Steel | Plain | 3/16 x 5/8 | woodruff key | 87 |
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| Valley Nu | WA | Woodruff Key | Steel | Plain | 1/8 x 3/4 | woodruff key | 106 |
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| Valley Nu | WA | Woodruff Key | Steel | Plain | 3/16 x 7/8 | woodruff key | 23 |
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| Valley Nu | WA | Woodruff Key | Steel | Plain | 5/32 x 7/8 | woodruff key | 57 |
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| Valley Nu | WA | Woodruff Key | Steel | Plain | 1/4 x 3/4 | woodruff key | 16 |
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| Valley Nu | WA | Woodruff Key | Steel | Plain | 7/32 x 7/8 | woodruff key | 27 |
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| Valley Nu | WA | Woodruff Key | Steel | Plain | 5/32 x 3/4 | woodruff key | 259 |
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| Valley Nu | WA | Woodruff Key | Steel | Plain | 3/16 x 3/4 | woodruff key | 456 |
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| Valley Nu | WA | Woodruff Key | Steel | Plain | 1/4 x 7/8 | woodruff key | 26 |
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| Valley Nu | WA | Woodruff Key | Steel | Plain | 3/16 x 1 1/4 | woodruff key | 63 |
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| Valley Nu | WA | Woodruff Key | Steel | Plain | 3/16 x 1 1/8 | woodruff key | 82 |
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| Valley Nu | WA | Woodruff Key | Steel | Plain | 3/8 x 1 | woodruff key | 2 |
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| Valley Nu | WA | Woodruff Key | Steel | Plain | 7/32 x 1 1/4 | woodruff key | 21 |
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| Valley Nu | WA | Woodruff Key | Steel | Plain | 3/16 x 1 | woodruff key | 118 |
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| Valley Nu | WA | Woodruff Key | Steel | Plain | 5/16 x 1 | woodruff key | 30 |
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| Valley Nu | WA | Woodruff Key | Steel | Plain | 1/4 x 15/16 | woodruff key | 12 |
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