· 4 inch Max Drilling Diameter: 1880W powerful motor of the handheld core drill rig is designed for wet drilling in reinforced concrete, stone, asphalt, marble, ceramic, walls, floors, and more. With a 4"/110mm max drilling diameter and 1700RPM stepless speed, you can drill with less effort.

· Durable Steel Output Shaft & Copper Inlet: As the machine will work upside down, water will unavoidably flow on to the drill machine. In this case, our drilling rig has a rustproof steel forged output shaft and waterproof copper water inlet for a long-lasting water supply.

· Over-current Protection: We also provide an overload protection system and an upgraded cooling system. They are designed for avoiding burn-in and prolonging the service lifespan of the drilling press machine.

· Comfortable Shoulder Rest & Handle: The upgraded shoulder rest is designed to save your energy. The slip-proof rubber handle greatly enhances friction and reduces vibration to completely control the hammer with comfort. Besides, tools are well stored and sorted in a compact case.

· Wide Range of Application: The wet diamond core drilling rig can be widely used in drilling reinforced concrete, red brick, marble, and other materials. It is perfect for installing air conditioners, pipes, stair railings, repairing highways, etc.

Specifications
Rated Power: 1880W
Power Supply: 110V
Spindle Thread: 1-1/4" UNC
Rotation Speed: 1700 r/min
Max Drilling Diameter: Ø4" / 110 mm
Package Dimensions: 520 x 530 x 400 mm / 20" x 12" x 16"
Gross Weight: 6 kg / 13.2 lbs

Package Content
1 X 1880W Rock Core Drill Machine
1 X Portable Plastic Tool Box
1 X Water Hose