Products Manufactured
DEMO VIDEO: Taper Shank Test Fixture

J&M's Dick Brimer demonstrates our Test Gage detecting the growth of a toolholder when a STANDARD retention knob is inserted at 60 ft lbs. Watch the expansion nearly eliminated when our new High Torque Retention Knob is inserted into the same toolholder.
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Learn more about Taper Shank Test Gage

Questions call (440) 357-1234, fax (440) 357- 1129 or e-mail info@jmmachineinc.com