Brass Inserts for Plastics

Brass inserts for plastics under the Armstrong ArmaSerts & Emhart Dodge brands are designed to provide strong metal threads in thermoset & thermoplastic materials. These inserts come in various knurl and undercut patterns to suit almost any threaded assembly application. They are designed to provide the high performance strength values of molded-in inserts while still retaining all of the economical advantages of insert installation after molding.

Installation methods include molding in, cold & hot installation, ultrasonically in thermoplastics and via high friction retention in thermosets.


Armstrong UK Armaserts
ArmaSert Sonic I Sonic II Expansion Insert

Emhart USA Dodge
Ultrasert I Ultrasert II Ultrasert III Ultrasert IV


Ultrasert IV Flanged Ultraseal Inserts Miniature Inserts Standard Expansion


Clinch Expansion Flanged Expansion Self Threading Inserts Spread Lok Inserts

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