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Item # 76980
- Collis E/R Series Collet Chucks allow users precise, accurate gripping within . 0.0002".
- Collis E/R Series Collet Chucks result in improved tool life, improved part tolerances, less scrap, higher productivity, and less down time.
- Collis E/R Series Collet Chucks have threaded thru holes for a back up screw. Coolant thru.
- Collis number includes nut and backup screw.
| Specifications | | Flange Type
| BT Shank
| | Shank Size
| 50
| | Collet Size
| #20
| | Proj. (A)
| 4.00 in.
| | Dim. D (min)
| 1.54 in.
| | Dim. D (max)
| 2.31 in.
| | Diameter (B)
| 1.34 in.
| | Width (C)
| 0.75 in.
| | Nut
| 84967
| | Backup Screw
| 64768
| | Max. Dia. (E)
| 0.55 in.
| | Wrench
| 64748
| | Gripping Accuracy
| <=0.0002 in.
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