Real demonstration video provided by our customer Jesse Muller, who is installing plumbing for his home geothermal system. See the full video on Jesse's channel @jmuller86

The 4Z1 Handheld Drill is our most popular selling core drill for concrete, reinforced rebar, asphalt, brick, stone and masonry. We also sell it as a discounted package deal with 1", 2", 3", 4" Diamond wet core bits. https://www.bluerocktools.com/blueroc...

Specifications:
Max Drilling Diameter: 4" (see our separate core bit listings)
Rated Voltage: 110V
Rated Frequency: 50-60Hz
Rated Input Power: 1500W
Dual Speed: 2100rpm/950rpm
Arbor size is 1 1/4" 7UNC
Structure and Features:

Two-gear rotary speed is designed for drilling different size holes. The drill is fitted with a safety slip clutch
#2 gear (2100rpm) is for smaller drill bits 1"-2"
#1 gear (950rpm) is for larger drill bits 2"-4"
This unit is designed to be an easy portable type drill for easy hand drilling
New improved water hose assembly with metal fittings and hardware for "wet" drilling
Collar size is 2 23/64"
Comes with a durable carrying case
Bubble level on end of the drill for precision drilling
Removable shoulder rest attachment
Automatic hold down switch for comfort

Always in stock and free USA shipping. See our complete line of concrete core drills, diamond bits 1" to 20" diameter and coring accessories. https://www.bluerocktools.com/coring-...