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Enjoy ultra precision and reliable performance with Ultra Precision Collets ER32. These collets offer twice the accuracy of standard precision collets, making them ideal for demanding applications.
They are great for gripping imperial cutters such as 3/8" to 1/2" in size.
| Part # | Inside Dia | Outside Dia. | Clamping Tolerance |
| 27-42101 | 1/4" | 32.8 | 1/4" (6.35mm) |
| 27-42104 | 3/8" | 32.8 | 3/8" (9.52mm) |
| 27-42108 | 7/16" | 32.8 | 7/16" (11.1mm) |
| 27-42112 | 1/2" | 32.8 | 1/2" (12.7mm) |
| 27-42116 | 6 | 32.8 | 6mm |
| 27-42120 | 8 | 32.8 | 8mm |
| 27-42124 | 10 | 32.8 | 10mm |
Q: How often should these be changed?
A: Roughly every 400 - 600 working hours. This is because they lose their elasticity and do not grip evenly and precisely any more.
Q: What is the difference between standard type and ultra precision type?A: The difference is in the run out rating with ultra precision being twice as accurate as the standard type.
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