The American Pneumatic Tools APT M44 is a 22 lb 4-bolt in-line pneumatic chipping hammer with a 4 in. piston stroke, purpose-built for industrial scaling, chiseling, weld cleanup, and form stripping. Key specs include 1,375 BPM impact rate, 34-36 CFM consumption at 90 PSI, .580 in. hex or .680 in. round chuck options. Ironworkers, masons, refractory crews, and demolition contractors run the APT M44 for medium-duty chipping where heavier breakers cause operator fatigue.
- 4-Bolt drop-forged in-line construction balances tool weight and rigidity for sustained overhead and one-handed scaling work.
- Rated 1,375 BPM, 4 in. stroke, 22 lb for balanced impact across scaling, chiseling, and form-stripping work.
- Consumes 34-36 CFM at 90 PSI through a 1/2 in. NPT air inlet, compatible with standard contractor whip hose and inline oilers.
- A 50-CFM compressor supports single-tool continuous use; larger 185-CFM units run multiple operators on the same circuit.
- Available with .580 in. hex or .680 in. round chuck plus ball, oval-collar, or bolt-on retainer styles to match existing steel inventory.
- Built for scaling slag and rust, weld-spatter cleanup, form stripping, refractory-lining repair, mortar removal, and detail chiseling.
- Ironworkers, masons, refractory crews, and demolition contractors specify it for medium-duty chipping where heavier breakers cause operator fatigue.
- Crowder Supply stocks .580 in. hex and .680 in. round chipping steels plus replacement chucks, retainers, springs, and pistons for the APT M44.
- American Pneumatic Tools is a long-established U.S. manufacturer of industrial chipping and demolition tools with deep aftermarket parts support.
Shop the full range of pneumatic chipping hammers at Crowder Supply and see the related ts chip chisels. Start with the chipping hammer buyer’s guide if you are unsure which fits. It ships out of Denver, same day on in-stock orders placed before 4 PM ET.
