SI® Molded-In Inserts

Blind Threaded - Types IBB, IBC Blind threaded inserts, types IBB and IBC have a blind end, which protects the threads from plastic intrusion.   Part Number Explanation Key Specifications / CAD Download Bulletin SI Self-Locking, Blind Threaded - Type IBLC Self-locking, blind threaded, type IBLC has deformed threads which lock the screw in place to resist vibration. The blind end protects the threads from plastic intrusion. Part Number Explanation Key Specifications / CAD Download Bulletin SI Thru Threaded - Types ITB, ITC Thru threaded inserts, types ITB and ITC include a pilot diameter and undercuts allowing the plastic to flow into grooves, providing high pullout resistance.   Part Number Explanation Key Specifications / CAD Download Bulletin SI Thru Threaded, Knurled Spacers - Types STKB, STKC Thru threaded, knurled spacers, types STKB and STKC include a uniform knurl diameter which reduces the risk of sink marks. They are also available in varying lengths for injection molding assemblies. Part Number Explanation Key Specifications / CAD Download Bulletin SI