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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 | null | Woodruff Key | Plain | 1/16 x 1/2 | 1/16x1/2 #1 woodruff key | 23 |
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| Shadran I | null | Woodruff Key | Plain | 3/32 x 1/2 | 3/32x1/2 #2 woodruff key | 25 |
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| Shadran I | null | Woodruff Key | Plain | 1/8 x 5/8 | 1/8x5/8 #5 woodruff key | 24 |
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| Shadran I | null | Woodruff Key | Plain | 5/32 x 5/8 | 5/32x5/8 #6 woodruff key | 20 |
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| Shadran I | null | Woodruff Key | Plain | 3/16 x 5/8 | 3/16x5/8 #61 woodruff key | 21 |
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| Shadran I | null | Woodruff Key | Plain | 5/32 x 3/4 | 5/32x3/4 #8 woodruff key | 25 |
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| Shadran I | null | Woodruff Key | Plain | 3/16 x 3/4 | 3/16x3/4 #9 woodruff key | 17 |
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| Shadran I | null | Woodruff Key | Plain | 1/4 x 3/4 | 1/4x3/4 #91 woodruff key | 84 |
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| Shadran I | null | Woodruff Key | Plain | 5/32 x 7/8 | 5/32x7/8 #10 woodruff key | 8 |
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| Shadran I | null | Woodruff Key | Plain | 3/16 x 7/8 | 3/16x7/8 #11 woodruff key | 12 |
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| Shadran I | null | Woodruff Key | Plain | 5/16 x 1 | 5/16x1 #b woodruff key | 93 |
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| Shadran I | null | Woodruff Key | Plain | 1/4 x 1 1/8 | 1/4x1-1/8 #18 woodruff key | 14 |
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| Shadran I | null | Woodruff Key | Plain | 5/16 x 1 1/8 | 5/16x1-1/8 #c woodruff key | 6 |
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| Shadran I | null | Woodruff Key | Plain | 1/4 x 1 1/4 | 1/4x1-1/4 #21 woodruff key | 69 |
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| Shadran I | null | Woodruff Key | Plain | 5/16 x 1 1/4 | 5/16x1-1/4 #d woodruff key | 43 |
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| Shadran I | null | Woodruff Key | Plain | 3/8 x 1 1/4 | 3/8x1-1/4 #e woodruff key | 16 |
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| Shadran I | null | Woodruff Key | Plain | 3/8 x 1 3/8 | 3/8x1-3/8 #f woodruff key | 22 |
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| Shadran I | null | Woodruff Key | Plain | 1/16 x 1 | 1/16x3/8 #211 woodruff key | 19 |
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| Shadran I | null | Woodruff Key | Plain | 3/32 x 5/16 | 3/32x5/16 #207 woodruff key | 12 |
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| Shadran I | null | Woodruff Key | Plain | 1/16-1/4 | 1/16-1/4 woodruff key assortmt | inquire |
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| Century | FL | Woodruff Key | Steel | Plain | #7 | #7 woodruff key alloy steel | 100 |
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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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| 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 | ASTM A574 | Plain | 5/32 x 5/8 | #6 alloy woodruff key rockwell c hardness 40/50 | 1600 |
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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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| 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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| Jackson | MS | Woodruff Key | Steel | Plain | 5/32 x 5/8 | woodruff key carbon finish | 343 |
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| 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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| 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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| 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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| 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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| 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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