The Tamco/Toku CORB series is a line of American-made rivet busters built in 6, 8 and 11 in. strokes, manufactured domestically by American craftsmen using high-quality U.S.-made components – the tool to specify when a job requires an American-made tool for Buy USA projects. All three share a 1-3/16 in. bore, a 1/2 in. air inlet and jumbo 11X steel, so the only decision is how much reach you need per blow.
Each is a closed-nose design with a replaceable piston bridge, which keeps it highly repairable, and the series follows the APT-style build with 99% parts compatibility – the same architecture as the APT 133. The 6 in. TAMCORB-633 is the lightest at 27.5 lb and cycles fastest at 1,100 BPM on 26 to 29 CFM; the 8 in. TAMCORB-133 is the workhorse stroke at 30 lb and 960 BPM; the 11 in. TAMCORB-1133 trades speed for reach at 34 lb and 850 BPM. They handle bridge-deck repair, vertical and horizontal concrete demolition, busting rivets and bolts, and underground tank work.
Crowder Supply stocks matching rivet buster steel and the rest of our rivet busters in Denver; the rivet buster buyer’s guide helps pick a stroke length.
CORB Series FAQ
Which stroke should I buy?
The 8 in. TAMCORB-133 is the most commonly specified rivet-buster stroke and meets bridge-deck weight requirements. Go to the 6 in. 633 for tight access and the lightest tool in the line; go to the 11 in. 1133 when you need maximum reach and energy per blow.
Are CORB parts interchangeable with APT?
Yes. The series follows the APT-style build with 99% parts compatibility, and Crowder Supply stocks service parts for both in Denver.
What steel does it take?
Jumbo 11X rivet buster steel. Crowder Supply carries the full range: cup chisels, narrow and side-cut chisels, moil points, backout punches and rippers.
Is this tool Buy America compliant?
The CORB series is made in the USA by American craftsmen using high-quality U.S.-made components, which is why it is specified on Buy USA projects.



















