ER20 Metric Saw Arbor, 5mm Saw ID, 1.27mm Bearing Length, 9.53mm Arbor Diameter, 18mm Arbor Length, 7.75mm Thread Length
Solid ER-style saw arbors have precision ground tapers and saw journals for unparalleled ease of use and advanced productivity. Snap groove fits into most standard ER clamping nuts for repeatable saw edge positioning with TIR held to 0.0002†or better.