Cap Screws Have Rolled Threads
Minimum Tensile Strengths
LOT CODE™ Head Markings
Root Thread Runout
for Thread Laps
Additionally, Unbrako runs in-process Statistical Process
Control on selected, dynamic dimensional characteristics of
their products. However, as a check-and-balance, they also
perform a Final Inspection on random samples taken from each
lot. Unbrako also performs a full compliment of laboratory
tests, as required by ASTM specifications - including
decarburization, hardness, and wedge tensile strength.
Unbrako is very proud to be registered to the International
Quality System, ISO 9001 since 1996.