Operation, Bolt tests, Operation 21 – MTS Nut Grips User Manual
Page 21: Bolt tests 21

MTS Fundamental™ Bolt Grips and Nut Grips
Operation
21
Operation
Contents
Tests for Other Types of Specimens 29
Bolt Tests
Testing is dangerous because the broken specimen may be projected
violently from the testing zone.
The projected specimen can cause personal injury.
Close the protection plates of the fixtures and clear the personnel in front of the
fixtures before testing.
Specimen
Refer to Thread Specs Table in the Introduction section of this manual.
Check the diameter and length of the specimen; make sure they can meet the
requirement of the fixtures.
To ensure a valid test, the specimen should be free of any thread damages or
other deformities.
Proof load test
Choose appropriate loading plates and threaded adapters for the specimen.
There are two types of loading plates and threaded adapters for different
specimens.
•
Figure 7 shows the structure and installation manner for specimens of M5 to
M10.
•
Figure 8 shows the structure and installation manner for specimen of M12 to
M30.