People also ask
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.
What is er-40?
ER40 Collet follows DIN 6499 standard. The standard ER collet is the most widely used clamping system in the world. Made from EN-47 Alloy spring steel for spring action and fully hardened. ER Standard Precision Collet with 10 microns run out.
What is the largest ER40 collet?
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") |
How to identify collet type?
The easiest way to determine what type of collet your machine has is to measure the length and diameter of the collet. All collets have a distinctive length and diameter.