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/tingling in left pinky finger. I have been having numbness alternating with tingling in my left pinky finger for the past three days. I know it could be from a multitude of things (i.e. pinched nerve, vitamin deficiency, poor circulation, etc), but I am taking supplements, eating right, drinking lots of water (gallon a day).