All Socket
Cap Screws Have Rolled Threads
Higher
Minimum Tensile Strengths
E-CODE™
LOT CODE™ Head Markings
Compound
Fillet Radius
Radiused
Root Thread Runout
“ WR”
Thread Form
Etching
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.
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