MTS Nut Grips - Manual (Page 24)

MTS Fundamental™ Bolt Grips and Nut Grips 24 Operation
Figure 9 Loading Plate (M5-M10)
Figure 10 Wedge Loading Plate (M12-M30)
The test can not be done if mounting the specimen on the opponent
position.
Be sure to make the loading plate surface engraved with "UP" on top and touching
the head of the bolt during the test.
There are spec marks on the wedge loading plates and threaded adapters, choose
appropriate loading plates and threaded adapters for the specimen (See Figure
11).
There are three kinds of wedge angles 4°, 6° and 10°, choose the appropriate
wedge loading plate to do the test.
You can do the test after completing the installation of fixture and specimen.