PN: SK47/SK58
- Flow range 7-9 GPM
- T-Handle with feathering on/off valve allows easy start and control
- Stainless Steel spools and fasteners
- Drills up to 3” diameter hole up to 20’ deep
- Operates in any position
- Requires air to clear holes of debris
Stanley Underwater Sinker Drill SK47/SK58
The Stanley SK47 & SK58 are heavy duty underwater rock drills designed for concrete, rock and masonry. They use industry standard drill steel and can drill up to 20’ (6m) deep. The direct drive rotation motor drives the 1” x 4 1/4” hex shank drill steel and is adjustable between O and 300 rpm.