- 1/4 hex shank HSS metric right hand thread tap and cone drill for drilling, tapping and chamfering metric holes in one operation - hole tapping and chamfering in one step, simplifying setup and workflow - high speed steel construction provides durability and sharp cutting performance for metal work - compatible with common drilling tools a hand drill bench drill and hex chuck tapping machines - fits standard 1/4 hex shanks enabling use with most portable and stationary drill setups - practical size and material suited for metric thread creation in steel aluminum and similar materials - easy to use for beginners and professionals alike reducing tool changes and improving accuracy - use scenario 1: drill a hole, tap the metric thread and chamfer the entry in a single pass on a small project such as brackets or housings using a hand drill - use scenario 2: set up on a bench drill to efficiently create threaded mounting holes in metal plates or chassis with consistent chamfer finish - use scenario 3: low volume production or repair work where quick setup and reliable metric threads are required on enclosures and frames