Techniks ISO30 tool holder · 57mm gauge length · Part number 42215-W-57 Balanced to 25,000 RPM at G2.5 specifications Inspection report included for accuracy and balance Includes PowerCOAT collet nut for improved holding power Do not include a pull stud x retention knob ER40 collets available in English sizes from 1/8" to 1" ER40 collets available in Metric sizes from 4mm to 26mm Dimensions: Gauge Length (L1): 57mm* Projection Length (L2): 41mm V Flange Diameter (D): 50mm Collet Nut Diameter (d): 63mm Wrench Flat Width: 47mm *Note: Gauge length (L1) is measured with collet in the nut. Accessories: Pull studs / retention knobs Torque wrenchs and collet keys Spindle wipers Collet brushes Tightening stand Tool setter stand
