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12L14 is the most widely used screw machine grade carbon steel. The addition of lead reduces friction and permits increased cutting speed, better surface finish, and longer tool life. 12L14 is best for parts where significant machining is necessary.

  • Machinability: 193% of B1112.
  • Applications: Joints, Bolts, Shafts, Fasteners, Couplings, Bushings