b'In addition, an ER collet should be tightenedER collets have a huge overtightening prob-to a specific torque value with a torque wrenchlem too, he said, because almost no one tight-based on the collet size and diameter of theens an ER with a torque wrench.tool being clamped, Pulvermacher said, butTom Raun, chief technical officer for Arlington, thats not reality. Texas-based Iscar USA, concurred that the ER ctemag.com about the author For more information about integralAlan Richter is editor-collet toolholders from Iscar, view aat-large of CTE. Contact video presentation at www.ctemag. him at [email protected] by scanning the QR code withcom.your smartphone or entering this URL on your web browser: qr.ctemag.com/1bopiYG-1 Tool (USA) offers a wide variety of toolholders, including hydraulic chuck (left) and shrink fit (far left).YG-1 Tool (USA) YG-1 Tool (USA)ctemag.com /cteguide.com29 Toolholding.indd 29 9/20/22 12:04 PM'