1pc High Precision Tool Holder for CNC Engraving & Milling Machines - Durable 42CrMnTi Steel Construction(MT4-FMB22-M16)

Constructed from 42CrMnTi steel, ensuring exceptional durability and longevity for all your machining needs. devised with a hardness rating of HRC45~55, providing superior strength and resistance to wear during intensive operations. Achieves true roundness of 0.8 µm for precise machining, enhancing the accuracy of your CNC engraving and milling tasks. Compatible with a wide range of machines including portable drills, bench drilling machines, milling machines, and lathes. Features a carburizing depth of 0.8 mm and surface roughness of 0.8 mm, ensuring smooth operation and extended service life.