HSS-XE twist drill bits with integrated magnet Weldon shank for simple and accurate drilling in steel and fast tool changing. Removes the need for using a separate drill chuck in a magnet drill. Where drilling smaller holes or tapping size holes has been a long and time consuming job in the past, fitting the Silvermax Magnet Twist Drills into a magnet drill can suddenly make the job far quicker and safer than struggling with a pistol drill and jobber drills.Features & Benefits- Integrated Weldon shank- Simple & Accurate drilling in steel- No need for a tool chuck when using a magnet drill- Fast tool changing- Quicker and safer than struggling with a pistol drill- Fits 19.05mm arbors - use with any standard mag drill