Base Unit Model HS Bolt What’s Included in the Kit:

What’s Included in the Kit:

Take our FREE course for more information on the role of plates in bolt testing:

Take our FREE course for more information on the role of plates and bushings in bolt testing:

MZ Short Bolt Plate for testing 3/4" diameter bolts

Base Unit Model HS Bolt What’s Included in the Kit:The Model HS Manual is available for download! Model HS Portable Bolt Tension Calibrator Convert tool output to bolt tension specs Set production preload standards Tests 3 4 through 1 1 2 inch high strength bolts to 170,000 pound preloads The Model HS is a highly reliable direct action hydraulic load cell instrument designed for use with high strength bolts through 1 1 2 inch size. Direct dial readings to 170,000 pounds of bolt tension within 1%