ER Collet | Length | Clamping Range |
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") |
ER-32 | 40 mm (1.57" | 1—21 mm (0.039—0.827") |
ER-40 | 46 mm (1.81") | 3—26 mm (0.118—1.024") |
People also ask
What is the difference between ER25 and ER32 collets?
I choose based on tool size- ER25 and 20 are all straight shank holders for small drills, spindle mounted ER32 for larger stuff endmills etc.
How to determine er collet size?
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 is the dimension of ER25?
The ER25 Collet –> with dimensions of 26 x h. 34 mm; available in diameters ranging from 6 mm to 20 mm.
What does er stand for in collets?
The standard series are: ER-8, ER-11, ER-16, ER-20, ER-25, ER-32, ER-40, and ER-50. The "ER" name came from an existing "E" collet (which were a letter series of names) which Rego-Fix modified and appended "R" for "Rego-Fix". The series number is the opening diameter of the tapered receptacle, in millimetres.