Experts in the development and manufacture of precision fasteners,
components and systems, specializing in thin sheet attachment solutions.

SI® Threaded Inserts for Plastic

Ultrasonic/Heat Staking Threaded Inserts

  • Tapered, Thru Threaded – IUA, IUB, IUC
  • Straight Wall Thru Threaded – IUTA, IUTB, IUTC
  • Symmetrical, Thru Threaded – ISA, ISB, ISC
  • microPEM® Inserts For Plastic – MSIA™, MSIB™

Molded-In Threaded Inserts

  • Blind Threaded – IBA, IBB, IBC
  • Self-Locking Blind Threaded – IBLC
  • Thru Threaded – ITA, ITB, ITC
  • Knurled Spacers – STKA, STKB, STKC

Press-In Threaded Inserts

  • Hexagonal – NFPC, NFPA
  • Thru Threaded – PPA, PPB
  • Flange-Head – PFLA, PFLB
  • Straight Knurl – PKA, PKB

microPEM® Threaded Inserts

  • microPEM® Inserts For Plastic – MSIA™, MSIB™

Currently we do not sell equipment for installing SI® brand threaded inserts for plastics.

For your convenience we have listed below suppliers of ultrasonic and thermal insertion presses.