SERIES
MKR
The series MKR locknut design utilizes two radial grooves machined
to provide an accordion-like cross section. The internal radial
groove divides the thread of the locknut into two sections: locking
section and clamping section. Depending on the locknut size, three
to eight socket head screws are used to clamp the two sections together.
By tightening the socket head screws, the thread clearance is eliminated
providing a continuous contact along the entire thread length. This
continuous contact provides high load carrying capacity, high shock
resistance and high loosening torque.
The two sections are designed so the deformation induced by the
socket head screws is occurring only in the locking portion of the
locknut without affecting the accuracy of the clamping portion.
This series is produced with tolerance class ISO 4H machined threads
and is available in sizes 10 to 200 mm bore.
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