The Stanley HD45 Hammer Drill is a rotary, percussion hydraulic underwater tool used by commercial divers for underwater drilling in rock, concrete and masonry. Drills Holes from 3/4 in. (19 mm) to 2 in. (50 mm) in diameter and up to 29 in. (73.7 cm) deep plus requires no fluid or compressed air to clear holes during use.
The Stanley Hydraulic Underwater Hammer Drill HD45 is designed for commercial divers to use in medium to heavy underwater applications. The drill features a feathering On/Off Valve with adjustable bit rotation speed (forward and reverse) making the drill easy to start and control.