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1/2-20 Castellated Nuts
Hex Castle Nuts or Castellated Nuts have notches on one end, which resemble the serrated tops of castle parapets. These nuts are used with a bolt with cross-drilled holes, so that a cotter pin can pass through the nut and into a hole in a bolt shank, thus preventing the nut from loosening. The notched end is turned down slightly, allowing the cotter pin to be bent around the nut. Often used in machinery, shafts and automotive applications.
32 results, (click on any line for more information)
| Search Results Sponsored by Perigee Manufacturing, your source for Castellated Nuts. For more results, visit perigeemfg.com | ||||||||
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| Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
| Perigee | MI | Castle Nut (Hex) | Grade 5 | Zinc/Yellow | 1/2-20 x 3/4 x 9/16 | 1/2-20 x 3/4 x 9/16 hex castle nut b18.2.2 | 159 |
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| Perigee | MI | Castle Nut (Hex) | Grade 5 | Zinc/Yellow | 1/2-20 x 3/4 x 9/16 | 1/2-20 x 3/4 x 9/16 hex castle nut b18.2.2 | 115 |
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| Perigee | MI | Castle Nut (Hex) | Grade 5 | Zinc/Clear | 1/2-20 x 3/4 x 9/16 | 1/2-20 x 3/4 x 9/16 hex castle nut b18.2.2 | 100 |
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| Perigee | MI | Castle Nut (Hex) | Grade 5 | Zinc/Yellow | 1/2-20 x 3/4 x 9/16 | 1/2-20 x 3/4 x 9/16 hex castle nut b18.2.2 | 13 |
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| Buy Castellated Nuts from one of our FCH Network Members | ||||||||
| Weaver | WA | Castle Nut (Hex) | Steel | Zinc/Clear | 1/2-20 | 1/2-20 castle nut zinc | 292 |
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| METRO IND | OH | Castle Nut (Hex) | Steel | Plain | 1/2-20 | castle nut sae | 167 |
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| Century | FL | Castle Nut (Hex) | Steel | Plain | 1/2-20 | 1/2-20 castle nut (STEEL BLACK OXIDE) (STEEL BLACK OXIDE) | 5 |
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| GLF | OH | Castle Nut (Hex) | Steel | Cadmium/Yellow | 1/2-20 | castle nut AN310-8 b18.2.2 () () | 388 |
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| SIS | AZ | Castle Nut (Hex) | Steel | Plain | 1/2-20 | 1/2-20 castle hex nut steel plain | 8 |
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| MFS | KS | Castle Nut (Hex) | Steel | Zinc/Clear | 1/2-20 | thin castle nut, mag inspected | 1276 |
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| NutsBolts | NE | Castle Nut (Hex) | Steel | Plain | 1/2-20 | 1/2-20 castle nut | 9 |
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| GUIDON | NJ | Castle Nut (Hex) | Grade 2 | Zinc/Clear | 1/2-20 | 19 |
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| Future Fastener | TX | Castle Nut (Hex) | Steel | Black Oxide | 1/2-20 | 1/2-20 finished castle nut blk | 216 |
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| Delta | TX | Castle Nut (Hex) | Steel | Zinc/Clear | 1/2-20 | fin castle nut steel zinc nf 1/2-20 (FINE THREAD) | 553 |
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| All Size | TX | Castle Nut (Hex) | Steel | Plain | 1/2-20 | 1/2-20 slotted castle nut b18.2.2 | 1,261 |
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| All Size | TX | Castle Nut (Hex) | Steel | Plain | 1/2-20 | 1/2-20 slotted high castle nut b18.2.2 | 1,271 |
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| ISSCO | MO | Castle Nut (Hex) | Grade 2 | Zinc/Clear | 1/2-20 | hex castle nut | 800 |
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| Alma Bolt | MI | Castle Nut (Hex) | Steel | Plain | 1/2-20 | SAE castle nut | 981 |
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| Liberty | IL | Castle Nut (Hex) | Steel | Zinc/Clear | 1/2-20 | hex castle nut | 56 |
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| Kanebridge | IL | Castle Nut (Hex) | Steel | Zinc/Clear | 1/2-20 | 1/2-20 castle nut zinc | 3.750 |
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| Liberty | IL | Castle Nut (Hex) | Steel | Nickel | 1/2-20 | hex castle nut plate plate | 75 |
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| HBBOLT | CA | Castle Nut (Hex) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-20 | castle nut 18-8ss | 136 |
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| Kanebridge | IL | Castle Nut (Hex) | Grade 5 | Zinc/Clear | 1/2-20 | 1/2-20 castle nut grade 5 zinc | 3.750 |
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| Perigee | MI | Castle Nut (Hex) | Grade 5 | Zinc/Yellow | 1/2-20 x 3/4 x 9/16 | 1/2-20 x 3/4 x 9/16 hex castle nut b18.2.2 | 159 |
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| Perigee | MI | Castle Nut (Hex) | Grade 5 | Zinc/Yellow | 1/2-20 x 3/4 x 9/16 | 1/2-20 x 3/4 x 9/16 hex castle nut b18.2.2 | 115 |
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| Perigee | MI | Castle Nut (Hex) | Grade 5 | Zinc/Clear | 1/2-20 x 3/4 x 9/16 | 1/2-20 x 3/4 x 9/16 hex castle nut b18.2.2 | 100 |
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| Perigee | MI | Castle Nut (Hex) | Grade 5 | Zinc/Yellow | 1/2-20 x 3/4 x 9/16 | 1/2-20 x 3/4 x 9/16 hex castle nut b18.2.2 | 13 |
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| Perigee | MI | Castle Nut (Hex) | Steel | Cadmium/Yellow | 1/2-20 | 1/2-20 x 3/4 x 9/16 castellated airframe nut b18.2.2 | 400 |
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| Perigee | MI | Castle Nut (Hex) | Steel | Cadmium/Yellow | 1/2-20 | 1/2-20 x 3/4 x 1/4 hex slotted jam a/f nut b18.2.2 | 1942 |
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| Perigee | MI | Castle Nut (Hex) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-20 | 1/2-20 x 3/4 x 1/4 castellated hex shear nut b18.2.2 | 1153 |
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| Perigee | MI | Castle Nut (Hex) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-20 | 1/2-20 x 3/4 x 1/4 castellated hex shear nut b18.2.2 | 2430 |
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| Perigee | MI | Castle Nut (Hex) | Grade A | Zinc/Clear | 1/2-20 x 3/4 x 9/16 | 1/2-20 x 3/4 x 9/16 hex castle nut b18.2.2 | 49 |
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| Perigee | MI | Castle Nut (Hex) | Steel | Cadmium/Yellow | 1/2-20 | 1/2-20 x 3/4 x 9/16 castellated airframe nut b18.2.2 | 3525 |
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| Field Fas | IL | Castle Nut (Hex) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-20 | 1/2-20 castle nut 18-8 ss | 400 |
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| GLF | OH | Castle Nut (Hex) | Steel | Cadmium/Yellow | 1/2-20 | 1/2-20 steel castellated nut--cad ii AN320-8 b18.2.2 () () () | 700 |
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| Century | FL | Castle Nut (Hex) | Steel | Cadmium/Yellow | 1/2-20 | an310-8 castle nut | 5 |
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