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.
If you have numbness and tingling in your fingers or toes, you should notify your doctor immediately. Treatment for peripheral neuropathy that is caused by chemotherapy is to stop the therapy or change to a different drug that does not cause damage to the nerves. If immediate steps are not taken at the onset of symptoms, peripheral neuropathy can become a long-term problem.