Grinders

Themac tool post grinders were first designed and built in 1936. Since that time, our portable grinders have been able to perform difficult grinding jobs because of our unique design. Themac's grinders are built how you remember - durable.

Themac J-7 Tool Post Grinder

J-7 1 H.P., Internal & External, 3,900-27,000 rpm

Themac J-45 Tool Post Grinder

J-45 1/2 H.P., Internal & External, 4,200-42,000 rpm

Themac J-40 Tool Post Grinder

J-40 1/2 H.P., External, 4,200-9,000 rpm

Themac J-4 Tool Post Grinder

J-4 1/2 H.P., Internal & External, 5,800-42,000 rpm

Themac J-35 Tool Post Grinder

J-35 1/3 H.P., Internal & External, 5,500-45,000 rpm

Themac J-30 Tool Post Grinder

J-30 1/3 H.P., External, 5,500-11,500 rpm

Themac J-3 Tool Post Grinder

J-3 1/3 H.P., Internal & External, 7,000-36,000 rpm