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Threaded insert Setsert®
press-inbrassplastic

threaded insert
threaded insert
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Characteristics

Type
threaded, press-in
Material
brass, plastic, glass
Configuration
round
Applications
for plastics

Description

Threaded inserts for hard plastics The Tappex Setsert® is designed for cold press installation into hard and filled thermoplastic and thermoset plastic materials. Available as a Single and Double Ended brass insert. This brass threaded insert includes a helical knurl with a broaching form and undercuts to enhance rotational and pull out performance. The Tappex Setset, threaded inserts for hard plastics Often the physical properties of glass filled thermoplastics and thermoset plastics can give rise to high installation forces using conventional press fit thread inserts. In the worst case this can set up significant bursting forces in thin wall bosses and result in lower than expected pull out and rotational performance. The Setsert design utilises a combination of a broaching feature and helical knurl to cut into the material reducing the build up of stresses. In application the torque applied through the fastener is transmitted by the helical knurl form into the plastic, the helix tends to work against the forces ultimately trying to remove the insert. Setsert® advantages: Reduced installation force over conventional press fit inserts. Suitable for glass filled or thermoset materials Ideal for cold press fit but may occasionally be heat or ultrasonically installed – contact Tappex for further advice Double ended version simplifies automatic and manual installation Pilot lead-in feature provides positve alignment with the receiving hole The part number is defined 076 and 476, followed by the thread size. Available in sizes from M3 to M5, other sizes available to customer order.
*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.