MZ 1/2" Plate and Heavy Hex Bushing 1" Diameter Impact wrenches are properly calibrated

Impact wrenches are properly calibrated to achieve proper tension in the bolted joint

Model HS Portable Bolt-Tension Calibrator Convert tool output to bolt-tension specs

This TC bushing accepts 1-1/8" diameter bolts and allows testing of 3-1/4" and longer bolts

No more packing and shipping boxes

Skidmore-Wilhelm Bolt Tension Calibrators let you build the inspection into your selected bolt tightening procedure

MZ 1/2" Plate and Heavy Hex Bushing 1" Diameter Impact wrenches are properly calibratedMZ Plate and Bushing for testing 1 2" diameter bolts. This plate and bushing combination allows testing of 2" and longer bolts. Need more information? Take our FREE course for more information on the role of plates and bushings in bolt testing: Understanding Bolt Tension OR Join our certification program and become a Skidmore bolt tension testing expert: Complete Skidmore Training