The APT 155 is a 60 lb class handheld pneumatic rock drill from American Pneumatic Tools, built for anchor-hole drilling, foundation work, quarry benches and secondary breaking. A 2-5/8 in. bore and full 3 in. stroke deliver 2,100 BPM of hard-hitting percussion, and dry or wet configurations wet flushes water through the steel for dust suppression make it the heavy hitter of the APT rock drill line we stock.
Chucks run 7/8 x 3-1/4, 7/8 x 4-1/4 and 1 x 4-1/4 in., each taking matched hex shank drill steel. Air demand is 110120 CFM at 90 PSI through a 3/4 in. male NPT inlet, so budget a 185 CFM towable compressor per tool the air compressor buyer’s guide covers the sizing. Alongside the 155, our pneumatic rock drill range spans 14 lb chippers to 80 lb class jacklegs.
- 60 lb class production rock drill; 6165 lb tool weight, 22-3/8 in. overall length
- 2,100 BPM from a 2-5/8 in. piston bore and full 3 in. stroke
- 110120 CFM at 90 PSI through a 3/4 in. male NPT air inlet
- Dry and wet configurations; wet models inject water through the steel for dust suppression and cuttings removal
- Chuck sizes: 7/8 x 3-1/4, 7/8 x 4-1/4 and 1 x 4-1/4 in. hex
- Applications: anchor holes, foundation drilling, quarry bench work, secondary breaking and rock bolting
- American-made platform with deep aftermarket parts support, stocked by Crowder Supply in Denver
