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People also ask
What size is er20a collet?
ER20 series collets have a capacity of 1mm-14mm. Each ER20 collet has a range of (1 mm). The size indicated on the collet is the largest size it can hold and can be collapsed smaller within its collapse range of (0.9mm).
What does ER20 collet mean?
Standards of ER Collets
These collets are usually found in a standard series as: ER-8, ER-11, ER-16, ER-20, ER-25, ER-32, ER-40, and ER-50. The numbers represent the opening diameter of the tapered receptacle in millimeters.
What thread is an ER20 collet?
There's two types of commercially available ER20 collet nuts- one comes with M24x1. 0 threads and the other comes with M25x1. 5 threads.
What are the er collet sizes?
ER Collet | Length | Clamping Range |
ER-11 | 18 mm (0.71") | 0.5—7 mm (0.020—0.276") |
ER-16 | 27.5 mm (1.08") | 0.5—9 mm (0.020—0.354") |
ER-20 | 31.5 mm (1.24") | 1—13 mm (0.039—0.512") |
ER-25 | 34 mm (1.34") | 1—16 mm (0.039—0.630") |
$19.95
ER-20A High Speed Collet hex nut, M25 X 1.5.