Our quality electrical accessories are sold at leading electrical wholesalers. Use the map below to find distributors in your area.
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| Part # Taper | Part # intermediate | Pqrt # bottoming | Dia INCH | TPI | Pitch INCH | OAL INCH | Drill mm |
| 4228-1/8T | 4228-1/8I | 4228-1/8B | 1/8 | 40.00 | 48.00 | 48.00 | 2.55 |
| 4228-5/32T | 4228-5/32I | 4228-5/32B | 5/32 | 32 (WHT) | 53.00 | 53.00 | 3.20 |
| 4228-3/16T | 4228-3/16I | 4228-3/16B | 3/16 | 24.00 | 58.00 | 58.00 | 3.70 |
| 4228-1/4T | 4228-1/4I | 4228-1/4B | 1/4 | 20.00 | 66.00 | 66.00 | 5.10 |
| 4228-5/16T | 4228-5/16I | 4228-5/16B | 5/16 | 18.00 | 72.00 | 72.00 | 6.50 |
| 4228-3/8T | 4228-3/8I | 4228-3/8B | 3/8 | 16.00 | 80.00 | 80.00 | 7.90 |
| 4228-7/16T | 4228-7/16I | 4228-7/16B | 7/16 | 14.00 | 85.00 | 85.00 | 9.30 |
| 4228-1/2T | 4228-1/2I | 4228-1/2B | 1/2 | 12.00 | 89.00 | 89.00 | 10.50 |
| 4228-9/16T | 4228-9/16I | 4228-9/16B | 9/16 | 12.00 | 95.00 | 95.00 | 12.10 |
| 4228-5/8T | 4228-5/8I | 4228-5/8B | 5/8 | 11.00 | 102.00 | 102.00 | 13.50 |
| 4228-3/4T | 4228-3/4I | 4228-3/4B | 3/4 | 10.00 | 112.00 | 112.00 | 16.25 |
| 4228-7/8T | 4228-7/8I | 4228-7/8B | 7/8 | 9.00 | 118.00 | 118.00 | 19.25 |
| 4228-1T | 4228-1I | 4228-1B | 1 | 8.00 | 130.00 | 130.00 | 22.00 |
| 4228-1.1/8T | 4228-1.1/8I | 4228-1.1/8B | 1 1/8 | 7.00 | 138.00 | 138.00 | 24.75 |
| 4228-1.1/4T | 4228-1.1/4I | 4228-1.1/4B | 1 1/4 | 7.00 | 151.00 | 151.00 | 28.00 |
| 4228-1.3/8T | 4228-1.3/8I | 4228-1.3/8B | 1 3/8 | 6.00 | 162.00 | 162.00 | 30.25 |
| 4228-1.1/2T | 4228-1.1/2I | 4228-1.1/2B | 1 1/2 | 6.00 | 170.00 | 170.00 | 33.50 |
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