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.
Learn more about Taper Shank Test Gage

Questions call (440) 357-1234, fax (440) 357- 1129 or e-mail