UNF (Unified Fine Thread) Unified Fine (UNF) and Unified Coarse (UNC). American threads consist of two common and easily obtained thread patterns known as U. N.F and U.N.C. U.N.F [national fine] is exactly the same as the old S.A.E [standard american engineers] that existed before threads were unified.
Tingling in the pinky finger can be caused by a disorder of the neck spine, anatomical abnormality around the clavicle (cervical rib, anomalous muscles resulting in thoracic outlet syndrome), disorders of the elbow (cubital tunnel syndrome), wrist (Guyon's canal syndrome), hand (hammer hand syndrome) or the pinky finger itself (injury).
Numbness in fingers causes many problems, and can stem from many diseases. Anything that reduces blood supply to the nerves of the hand can produce finger numbness. Take carpal tunnel syndrome, for example. It causes swelling (or a change in position) of tissue within the carpal tunnel, which, in turn, irritates the median nerve. The result is finger tingling and numbness.