This drill is intended to drill hoes 27-40 mm (1 1/16" - 1 9/16") in diameter up to the depth of 6 meter (20') .

This model drill has maintained its reputation of being one of the most economical and reliable rock drill for underground mines and tunnels because of its dependable design which includes Rifle Bar Rotation and Flushing system with double concentric tubes. This drill is used for horizontal or inclined drilling in conjunction with a Pusher Leg in underground mines and tunnel drilling. For underground applications, MDS-404W Drill is most reliable because of its low air consumption and a very high drill rate in relation to weight of the Drill.