Stanley HD45310 Underwater Hydraulic Hammer Drill 736 Skil Hex

The Stanley HD45310 Hydraulic Underwater Hammer Drill (HD45) is a professional-grade hydraulic drilling solution built for demanding underwater construction and commercial diving applications. Engineered for drilling concrete, rock, and masonry surfaces beneath the water, this tool delivers reliable power and precise control with its high-torque rotation motor that drives standard 736 Skil hex carbide-tipped drill bits. With the capability to drill holes up to 2" in diameter and up to 29" deep, the HD45310 is ideal for setting anchor bolts, utility penetrations, and other critical underwater tasks. The drill includes a feathering on/off valve and adjustable bit rotation speed for smooth starts and fine control. Built to withstand harsh conditions, this hydraulic underwater hammer drill offers robust performance and operator confidence where conventional tools cannot operate.