Aug 25, 2025 · Complete collet sizes chart for ER, R8, and 5C collets. Learn types, uses, and tips to choose the right collet for CNC machining, milling, and lathes.

The table below shows the available sizes of ER collets. Click the collet size at the top of the column (ER-32, for example) to go to the page that lists all the collets in that size range.

Download and print our collet dimensions guide, complete with dimensions and specs of the most popular and widely used machine collets.

In each section, you will find: recommended uses for each type of collet, along with accuracy metrics (T.I.R.), and tips for how to care for each collet system. If you are new to all of this, …

HAAS TOOLING ER COLLET SIZE CHART ER-32 KIT # 04- 0102 04- 0102 04- 0102 04- 0102 04- 0102 04- 0102 04- 0102 04- 0102 04- 0102 04- 0102 04 -0102 04 -0102 04 -0102 04 …

HAAS TOOLING ER COLLET SIZE CHART

Almost all collets have a distinctive length and diameter.

Image Collet Series Length ER Collet Series ER 11 ER 16 ER 20 ER 25 ER 32 ER 40 ER 50 18mm 27.5mm 31.5mm 34mm 40mm 46mm 60mm Diameter 11.5mm 17mm 21mm 26mm …

Oct 8, 2024 · This ultimate collet size chart will help you quickly identify the right collet size for your specific machining needs. We've researched the most common collet sizes used in …

ER16 = 17mm (.67”) = 27mm (1.06”) Collet size Range = 1mm to 10mm / 1/16” to 13/32” Unsealed collets, above 2mm I.D., grip up to 1mm (.039) under the stated size.