Material Specification

  • Sockets up to 4" are ASTM A148 steel, grade 105/85
  • Sockets above 4" are ASTM A148 steel, grade 115/95
  • All sockets are magnetic particle inspected at critical areas and proof tested on special order

Tolerances

  • Dimensions under 4": + 1/8"
  • Dimensions over 4": + 1/4"
  • Q (smaller sizes): + 1/32"
  • D: +0 - 1/32" in a self-colored socke