Precision-hardened alloy steel construction ensures durability and reliability. Meticulously ground to tight tolerances for consistent performance. Features a robust design with a secure lock screw mechanism. Specifically engineered for 19 mm shank rota broaches, offering versatility. Compatible with drill presses, lathes, mills, and magnetic drilling machines. Holder dimensions: Shank diameter 12.5 mm (with 7 mm through bore), OAL 62 mm, body diameter 36 mm. Interior machined to securely grip 19.05 mm cutter shank with 25 mm depth. Includes two grub screws at 90-degree intervals for effective shank clamping. Designed for ease of use and meets the demands of professional machining applications. Constructed from precision-hardened alloy steel and meticulously ground to tight tolerances, our annular cutter 1/2" shank tool steel holder (Rota broaches) features a robust design with a lock screw mechanism. Specifically engineered to accommodate 19 mm shank rota broaches, this holder offers exceptional versatility across various machining platforms including drill presses, lathes, mills, and magnetic drilling machines. Key dimensions of the holder include a shank diameter of 12.5 mm (with a through bore of 7 mm), an overall length (OAL) of 62 mm, and a holder body diameter of 36 mm. The interior of the holder is precisely machined to securely grip the 19.05 mm shank of the cutter, with a depth of 25 mm dedicated to holding the cutter's shank firmly in place. For added security, the holder features two grub screws positioned at 90-degree intervals to clamp the cutter's shank effectively. Designed for reliability and ease of use, our tool steel holder exemplifies durability and precision, meeting the exacting demands of professional machining applications with consistent performance and stability.