Unique Group continues to conduct business as usual under a normal schedule, however, the safety and well-being of our employees and customers is always our highest priority. We are closely monitoring the Coronavirus pandemic and putting in place proactive measures to keep our communities safe and operational. Read more

Diving & Life Support

SK 58, Sinker Drill

Follow us
  • SK 58, Sinker Drill
SK 58, Sinker Drill

The Stanley SK58 Sinker Drill is a heavy duty rock drill designed for drilling underwater in concrete, rock and masonry. The feathering on/off valve makes starting the drill bit relatively easy. The SK58 uses industry standard drill steel and can drill up to a 3 inch (75mm) diameter hole up to 20ft (6m) deep. The direct drive rotation motor drives the 1 inch x 4¼ inch Hex shank drill steel and is adjustable between 0 and 300RPM. Air is required to clear holes of debris.

Features:
• T-Handle with feathering on/off valve allows easy start and control
• Rotation speed adjustable between 0 and 300RPM
• Stainless Steel spools and fasteners
• Four tie rod design for durability
• Uses standard rock drill steels: 1" x 4¼" Hex Shank
• Drills up to 3" diameter hole up to 20' deep
• Operates in any position
• Requires air to clear holes of debris
• Trouble free drill steel latch retainer

Specifications:
Drill Capacity: 3" (7.6cm) dia. hole, up to 20' (6m) deep
Steel Type: 1" x 4¼" Hex Shank
Circuit Type: Open Center
Flow Range: 7-9gpm / 26-34lpm
Optimum Flow: 8gpm / 30lpm
Working Pressure: 1500 - 2000psi / 105-140bar
Full Relief Setting: 2250psi / 155bar
Rotation Speed: 0-300RPM
Weight (less tool bit): 70lbs / 31.7kg
Length: 26" / 66cm
Width (at handles): 18" / 46cm
Hydraulic Ports: -8 SAE O-ring
Hose Whips: Yes (3 ⁄8" NPT Male thread)
Air Port: ½" NPT

Order Detail  
Sinker Drill, 7/8" Hex X 4 - 1/4, SK58 D-ST-154

 

Request a Quote
We use cookies to ensure that we give you the best experience on our website. By clicking Accept, you consent to store on your device all technologies described in our Cookie Policy. Accept