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ER Collets

Quality Parts Require Quality Tool Holders

Since 1989, our Swiss made ER collets have been manufactured of the highest quality material and then hardened and ground to the exact tool size. This process makes for less tool run out providing a more accurate set-up and longer tool life. More surface contact with the tool shank also makes for a stronger grip on the tool and provides more rigidity.

MD Tooling offers both coolant through sealed collets and standard ER collets in Inch and Metric sizes at very competitive prices.

Additional Features:

  • Manufactured with Swiss technology, expertise and machinery. ERCollets
  • ER Collets – ER 25, ER 32 and ER 40
  • High Precision Collets concentricity is 0.0002” TIR or better.
  • Inch & Metric sizes available.
  • Straight Shank and V Flange Collet holders.
  • 16 Jaw, high quality alloy steel construction, providing better gripping.
  • ER, Coolant and Tap Collets also available.
  • Fractional collets manufactured specifically to US Market Requirements!
  • Use “On Size” collet for best results.
  • Improved accuracy, high precision
  • Tighter tolerances and better surface finishes result in improved part quality
  • Longer tool life due to less vibration, better finish and higher accuracy

ER Tap Collets for Rigid Tapping

These collets feature a unique design that incorporates an internal square drive with our popular ER series collets. The square drives match the tap square providing a tight fit for all rigid tapping applications. Utilizing ER tap collets and a standard ER collet chuck allows you to vary the gauge length of your tapping application without the need for special tap-holders.

Click here to download technical and sizing information on our ER Collets.

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MD Tooling Your Partner for Tooling Solutions; has a full technical support department with over 35 years of CNC experience along with the largest range of precision live and static tooling for Turning Centers and Lathes available for most major machine tool manufactures.

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Contact Address

10139 Bergin Road
       Howell, MI 48843

(877) 918-6657
(877) 928-6657

All about MD Tooling!

MD Tooling, LLC is a distributor of live tool holders, static tool holders, as well as other machine tool accessories. We offer a wide-range of tooling for Mori-Seiki, Doosan, Okuma, Nakamura-Tome, Eurotech, Mazak, Haas, Samsung, Hyundai-Kia, Takisawa, Goodway, and more. We also provide tools for turret and Swiss-type cnc lathes. Every new tool holder has a 2-year factory warranty.  We also carry a large range of specialty tools such as gear hobbers, a turret mounted steady rest, and a slotting tool.  With our close relationship to our factory, MT Marchetti, we are able to offer custom tooling solutions as well.

Product descriptions and specifications represented herein are for information purposes only and are not legally binding.  While the content on this website is as accurate and up-to-date as possible, there is a possibility of inaccuracies.  MD Tooling, LLC reserves the right to make changes and/or enhancements to any product, services, or other information without prior notice.