Bolts Nuts Lugs Clamps

Storage container drum hardware

Components for Drum Manufacturing and Reconditioning

Con-Tech International is a supplier of components used in the drum manufacturing and reconditioning industries.


Specifications for bolts and nuts.

  • Bolts and nuts are zinc electro-plated for rust resistance
  • Bolts and nuts are manufactured using ANSI standards
  • Our bolts are manufactured using ASTM A307 carbon steel
  • Our nuts are manufactured using ASTM A563 carbon steel
  • Bolts are supplied fully thread or fully threaded with a double-chamfered
  • 1/8″ diameter hole, located 1/4″ from the end.
  • Bolt sizes are supplied both in 4″ and 3 1/2″ lengths.
  • We supply 5/8, 3/8 and 5/16 bolts in 4″ and 3 1/2″ lengths.
  • 3/8″ and 5/16″ bolts have a washer/slotted head.