ER Single-Angle Collets Catalog Numbering System

How Do Catalog Numbers Work?

Each character in our catalog number signifies a specific trait of that product. Use the following key columns and corresponding images to easily identify which attributes apply.

40ERC160M

40 ER C 160 M

System Size Collet Style Special Feature Collet Bore Size Identification

(optional) Value

11= ER11ER-DIN 6499 =TC= metric (xx.x)M =
Single-angleSolid tappingCollet bore size built
16= ER16(square for drive)010= 1mmto metric values
20= ER20TCT =160= 16mm
(blank) =
Solid tappingCollet bore size built
25= ER25245= 24,5mm
with tension onlyto metric values
32= ER32inch (x.xxx)
40= ER400125= 1/8"

0500 = 1/2" 1000 = 1"