Shank taper accuracy AT3 or better. Made of alloy forged steel for long, durable life. Hardened to RC 52-56 and ground to ensure maximum accuracy. Semi-flush nose cap gets in tight areas. Designed for slitting saws up to 5/16" thick. For wider cutters use Stub Arbor Holder. Pilot diameter is sized for precision fit with cutter and is keyed for positive drive
Drawer Bar Thread CAT 5/8"-11" CAT 1"-8"