ER4043 TIG Welding Rod, Aluminum, 3 32 in dia, 36 in L, 10 lb Tube ORS NASCO Filters 100% of far near UV Filters 100% of far near UV radiation and blue light Arc image dispersed throughout the curtain Puts light back into welding booth For low to high amperage Made from 14 mil transparent vinyl material Deburring Arbor Thread TPI or Pitch 5 8 in 11 UNC Big Catalog YES Brand Weiler Catalog MPI Catalog Construction Catalog NO Country of Origin US Dia One of the oldest and most widely used welding and brazing alloys Contains silicon additives which result in improved fluidity (wetting action) of the weld pool Also produces a weld less sensitive to cracking Can be used to weld various grades of aluminum