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 of the fingers or hands is often associated with tingling. These symptoms are referred to as paresthesia of the fingers. Peripheral neuropathy is damage to the nerves of the extremities that often results in numbness or tingling. Longstanding or uncontrolled diabetes is one of the major causes of peripheral neuropathy. Alcohol abuse is another cause of peripheral neuropathy. A number of conditions are associated with numbness, burning, pain, or tingling of the fingers and hand, including stroke, multiple sclerosis, Raynaud's disease, and vascular diseases.