APT M155 Rock Drill is a powerful and efficient pneumatic tool designed for heavy-duty drilling in mining, quarrying, and construction applications. It features a 7/8" hex x 4-1/4" chuck for secure bit holding, a 2-5/8" bore, and a 3" stroke that deliver up to 2100 blows per minute for fast and effective rock penetration. Built for dry drilling operations, the M155 offers excellent balance, control, and durability, making it ideal for working in tough environments where reliability and performance are essential.
Designed for dry drilling, it provides dependable operation without the need for water flushing, reducing setup time and maintenance. Built from high-quality materials, this rock drill is rugged, reliable, and easy to service, making it a trusted choice for professionals seeking consistent power, durability, and long service life in the field.
Type: Rock Drill | Hex Size (in.): 7/8 | Chuck Size (in.): 4-1/4 | Bore (in.): 2-5/8 | Stroke (in.): 3 | BPM: 2100 | Air Consumption @ 90 PSI (CFM): 110-120 | Length (in.): 22-3/4 | Air Inlet NPT (in.): 3/4 male | Application: Road and infrastructure construction
Features:
• 3 drilling speeds
• Replaceable piston stem bearing
• Built-in automatic oiler
• Available wet or dry
• Counterclockwise rotation
• Rubber handle grips
Tech Tip: To increase tool performance, extend tool life and lessen repair costs use it with a Filter-Regulator-Lubricator (Click Here To Shop FRLs)

Looking for more information about APT Rock Drill? Click here to view the Catalog.
For more information please call (800) 608-5210 or email info@intlairtool.com
warning WARNING: This or other products sold on this website may expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
For more information go to www.P65Warnings.ca.gov

