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Woodruff Key
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.
0 Woodruff Key (iso 3912), 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 | |
| Shadran I | Woodruff Key | Plain | 1/16 x 1/2 | 1/16x1/2 #1 woodruff key | 23 |
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| Shadran I | Woodruff Key | Plain | 3/32 x 1/2 | 3/32x1/2 #2 woodruff key | 25 |
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| Shadran I | Woodruff Key | Plain | 1/16 x 1 | 1/16x3/8 #211 woodruff key | 19 |
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| Shadran I | Woodruff Key | Plain | 3/32 x 5/16 | 3/32x5/16 #207 woodruff key | 12 |
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| Shadran I | Woodruff Key | Plain | 3/8 x 1 3/8 | 3/8x1-3/8 #f woodruff key | 22 |
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| Shadran I | Woodruff Key | Plain | 5/32 x 3/4 | #8 5/32x3/4 woodruff key | 16 |
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| Shadran I | Woodruff Key | Plain | wk 393h woodruff keys | inquire |
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| Shadran I | Woodruff Key | Plain | 5/32 x 7/8 | #10 5/32x7/8 woodruff key | 31 |
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| Shadran I | Woodruff Key | Plain | 9 | (14) # 9 woodruff key | 1 |
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| Shadran I | Woodruff Key | Plain | 3/16 x 3/4 | #9 3/16x3/4 woodruff key | 13 |
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| Shadran I | Woodruff Key | Plain | 11 | (10) # 11 woodruff key | inquire |
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| Shadran I | Woodruff Key | Plain | 11 3/16 x 7/8 | .89# 11 3/16x7/8 woodruff key | 22 |
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| Shadran I | Woodruff Key | Plain | wk 393g woodruff keys | inquire |
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| Shadran I | Woodruff Key | Plain | 15 | (6) # 15 woodruff key | inquire |
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| Shadran I | Woodruff Key | Plain | 15 1/4 x 1 | # 15 1/4x1 woodruff key | 25 |
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| Shadran I | Woodruff Key | Plain | 18 | (6) # 18 woodruff key | 1 |
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| Shadran I | Woodruff Key | Plain | 18 1/4 x 1 1/8 | # 18 1/4x1-1/8 woodruff key | inquire |
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| Shadran I | Woodruff Key | Plain | 5/16 x 1 | (6) #b woodruff key | inquire |
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| Shadran I | Woodruff Key | Plain | wk 393m woodruff keys | inquire |
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| Shadran I | Woodruff Key | Plain | 1/4 x 7/8 | # a 1/4x7/8 woodruff key | inquire |
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| NAPPCO | TX | Woodruff Key | Steel | Plain | 1/8 x 1/2 | woodruff key steel 1/8x1/2 | 332 |
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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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| Jackson | MS | Woodruff Key | Steel | Plain | 3/8 x 1 #152 | woodruff key carbon finish | 212 |
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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 3/4 | woodruff key #9 or #606 carbon stl | 1006 |
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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 | 3/8 x 1 | 3/8 x 1 woodruff key | 48 |
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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 | 5/32 x 5/8 | #607 woodruff key steel 3/16 x 7/8 | 40 |
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| OneMonroe | NC | Woodruff Key | Steel | Plain | 5/32 x 7/8 | 5/32 x 7/8 #10 woodruff key-plain | 5 |
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| Jackson | MS | Woodruff Key | Steel | Plain | 3/8x1 3/8 #f woodruff key carbon finish | 36 |
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| Jackson | MS | Woodruff Key | Steel | Plain | 5/16 x 1 3/8 #23 | woodruff key carbon finish | 35 |
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| Jackson | MS | Woodruff Key | Steel | Plain | #3 | hi-pro #404 hypro woodruff key | 5000 |
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| Jackson | MS | Woodruff Key | Steel | Plain | 1/4 x 1 1/2 #24 | woodruff key carbon finish | 151 |
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| Jackson | MS | Woodruff Key | Steel | Plain | 1/4 x 1 #15 | woodruff key carbon finish | 115 |
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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 | 3/32 x 3/8 | 3/32 x 3/8 woodruff key | 142 |
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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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| Brikksen | Woodruff Key | Steel | Plain | M7 x 1.5 | m7 x 1.5 woodruff key steel | plain packed 25 per bag | plain packed 25 per bag | plain packed 25 per bag din 6888 | 100 |
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| MetricThrd | CA | Woodruff Key | Steel | Plain | M3 x 3.7 | m 3 x 3.7 din 6888-st woodruff keys | stock |
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| SRF | AL | Woodruff Key | Steel | Plain | 3/32 x 5/8 | woodruff key #4 | 75 |
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| SRF | AL | Woodruff Key | Steel | Plain | 5/16 x 1 3/8 | woodruff key #23 | 24 |
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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 | Plain | 1/16 x 1/2 | #1 1/16x1/2 carbon woodruff key | 90 |
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| GLF | OH | Woodruff Key | Plain | 3/16 x 3/4 | 3/16 x 3/4 woodruff key | 14 |
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| GLF | OH | Woodruff Key | Steel | Plain | 5/32 x 3/4 | 1/4 x 1 #808 woodruff key stl pln | 65 |
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| ACCURATE | IL | Woodruff Key | Steel | Plain | 3/16 x 3/4 | woodruff key #9 | 182 |
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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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| Active | TN | Woodruff Key | Plain | M6 x 6 | m6 x m6 metric woodruff key plain | 60 |
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| Active | TN | Woodruff Key | Plain | M6 x 9 | m6 x m9 metric woodruff key | 108 |
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| Active | TN | Woodruff Key | Plain | 3/16 x 1 | 3/16 x 1 woodruff key sae # 13 | 175 |
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| Active | TN | Woodruff Key | Plain | 3/16 x 3/4 | 3/16 x 3/4 woodruff key sae # 9 auv # 3884 | 135 |
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| Active | TN | Woodruff Key | Plain | 1/4 x 31/32 | 1/4 x 1 woodruff key sae #141 | 299 |
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| Active | TN | Woodruff Key | Plain | 1/4 x 1 | 1/4 x 1 woodruff key sae #15 | 2637 |
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| Active | TN | Woodruff Key | Plain | 3/32 x 1/2 | 3/32 x 1/2 woodruff key | 93 |
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| Active | TN | Woodruff Key | Plain | 5/32 x 3/4 | 5/32 x 3/4 woodruff key sae # 8 auv # 3882 | 11 |
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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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| S+S Faste | OH | Woodruff Key | Plain | 1/8 x 1/2 | 1/8 x 1/2 woodruff key | 100 |
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| S+S Faste | OH | Woodruff Key | Plain | 3/16 x 1 1/4 | #19 woodruff key | 75 |
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| S+S Faste | OH | Woodruff Key | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/16 x 3/8 | 1/16 x 3/8 woodruff key stainless | 75 |
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| Liberty | IL | Woodruff Key | Steel | Plain | #404 | #404 woodruff key | 220 |
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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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| 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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| 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 | 658 |
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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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| MtrcSpec | CA | Woodruff Key | Steel | Plain | M3 x 3.7 x 9.66 | M3x3.7 woodruff key-9.66 long din 6888 | stock |
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| MtrcSpec | CA | Woodruff Key | Steel | Plain | M5 x 7.5 | M5x7.5 wdrf key/18.57 long din 6888 | stock |
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| MtrcSpec | CA | Woodruff Key | Steel | Plain | M5 x 6.5 x 15.72 | M5x6.5 woodruff key-15.72 long din 6888 | stock |
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| MtrcSpec | CA | Woodruff Key | Steel | Plain | M4 x 6.5 x 15.72 | M4x6.5 woodruff key-15.72 long din 6888 | stock |
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| MtrcSpec | CA | Woodruff Key | Steel | Plain | M6 x 10 x 24.49 | M6x10 woodruff key-24.49 long din 6888 | stock |
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| MtrcSpec | CA | Woodruff Key | Steel | Plain | M3 x 5 x 12.65 | M3x5 woodruff key-12.65 long din 6888 | stock |
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| MtrcSpec | CA | Woodruff Key | Steel | Plain | M4 x 5 x 12.65 | M4x5 woodruff key 12.65 long din 6888 | stock |
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| Endries | WI | Woodruff Key | ASTM A574 | Plain | 3/16 x 3/4 | #9 alloy woodruff key rockwell c hardness 40/50 plain | 64 |
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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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| MMCC | IL | Woodruff Key | Steel | Plain | M5 x 7.5 | woodruff key din 6888 steel plain | 2402 |
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| MMCC | IL | Woodruff Key | Steel | Plain | M5 x 9 | woodruff key din 6888 steel plain | 216 |
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| MMCC | IL | Woodruff Key | Steel | Plain | M6 x 13 | woodruff key din 6888 steel plain | inquire |
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| MMCC | IL | Woodruff Key | Steel | Plain | M6 x 11 | woodruff key din 6888 steel plain | 190 |
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| MMCC | IL | Woodruff Key | Steel | Plain | M6 x 10 | woodruff key din 6888 steel plain | inquire |
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| MMCC | IL | Woodruff Key | Steel | Plain | M8 x 11 | woodruff key din 6888 steel plain | 128 |
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| MMCC | IL | Woodruff Key | Steel | Plain | M8 x 13 | woodruff key din 6888 steel plain | 803 |
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| MMCC | IL | Woodruff Key | Steel | Plain | M10 x 11 | woodruff key din 6888 steel plain | 197 |
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| MMCC | IL | Woodruff Key | Steel | Plain | M14 x 18.5 | woodruff key din 6888 steel plain | 37 |
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| ISSCO | MO | Woodruff Key | Steel | Plain | 3/8 x 2 3/4 | alloy #t | 1000 |
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| ISSCO | MO | Woodruff Key | Steel | Plain | 5/32 x 3/4 | alloy #8 | 800 |
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| ISSCO | MO | Woodruff Key | Steel | Plain | 3/8 x 2 1/8 | alloy #129 | 300 |
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| ISSCO | MO | Woodruff Key | Steel | Plain | 5/16 x 1 3/8 | alloy #23 | 150 |
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| ISSCO | MO | Woodruff Key | Steel | Plain | 3/8 x 1 3/8 | alloy #129 | 200 |
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| ISSCO | MO | Woodruff Key | Steel | Plain | 3/32 x 5/8 | carbon #4 | 5000 |
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| ISSCO | MO | Woodruff Key | Steel | Plain | 1/4 x 1 1/2 | alloy #18 | 1000 |
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| ISSCO | MO | Woodruff Key | Steel | Plain | 3/32 x 5/16 | alloy #207 | 1500 |
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| ISSCO | MO | Woodruff Key | Steel | Plain | 3/16 x 7/8 | carbon #11 | 1750 |
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| ISSCO | MO | Woodruff Key | Steel | Plain | 1/4 x 2 | carbon #27 | 1400 |
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| ISSCO | MO | Woodruff Key | Steel | Plain | 3/8 x 2 1/8 | carbon #g | 315 |
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| ISSCO | MO | Woodruff Key | Steel | Plain | 3/16 x 1 1/8 | carbon #16 | 430 |
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| ISSCO | MO | Woodruff Key | Steel | Plain | 3/16 x 1 1/4 | carbon #19 | 470 |
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| ISSCO | MO | Woodruff Key | Steel | Plain | 5/16 x 1 3/8 | carbon #23 | 475 |
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| ISSCO | MO | Woodruff Key | Steel | Plain | 3/8 x 2 1/8 | carbon #29 | 1100 |
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| ISSCO | MO | Woodruff Key | Steel | Plain | 5/16 x 1 1/8 | carbon #c | 1800 |
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| ISSCO | MO | Woodruff Key | Steel | Plain | 7/16 x 2 1/2 | carbon | 1900 |
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| ISSCO | MO | Woodruff Key | Steel | Plain | 3/16 x 1 | carbon #13 | 500 |
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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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| OBRIEN | OH | Woodruff Key | Steel | Plain | 1/4 x 3/4 #91 | 1/4x3/4 woodruff key #91 | 700 |
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| OBRIEN | OH | Woodruff Key | Steel | Plain | 1/4 x 1 #808/#15 | 1/4x1 woodruff key #808/#15 | 700 |
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| THRDFAST | FL | Woodruff Key | Steel | Plain | 3/16 x 3/4 | woodruff key #9 | 35 |
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