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.
Numbness in pinky finger may also be caused by damage to the nerve on the injured side of the finger. There are small nerves, which measure only about two to three millimeters in diameter, in the finger that run along each side. Damage to the finger's nerves may occur due to cuts or a serious hand injury.
Quick Answer. There are numerous causes for tingling in the left hand, and some include diabetes, vitamin deficiencies and systemic diseases. Other possible causes for tingling in hands and feet are alcoholism, toxins, infections, autoimmune disorders, inherited disorders and injuries, according to WebMD. A doctor can perform a variety of tests to determine the cause of tingling in the hands and feet.