PennEngineering® Datasheets for Threaded Inserts

Threaded inserts are blocks of material with a threaded hole that are pressed or molded into a part, usually made of a different material.
Threaded Inserts: Learn more

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Product Name Notes
Features: Pilot diameter and undercuts allow plastic to flow into grooves providing high pullout resistance. Aluminum inserts ideal for light weight designs. Aluminum and stainless steel inserts offer lead-free alternative.
Locking and Non-locking Threads These fasteners provide load-bearing threads in thin sheets and permit up to 0.76mm adjustment for mating hole misalignment. The self-clinching feature offers fast and simple assembly.
PEM® brand miniature fasteners fit into a minimal space and provide strong, reusable threads. Types FE, FEO and UL are self-locking. Types FE and FEO thread locking torque performance is...
PEM® PEMFLEX® self-locking, self-clinching fasteners retain their repeated use and effective prevailing locking torque. Shoulder provides increased performance. Flexing action permits repeated use and effective locking torque. Flange provides positive...
Blind-end protects the threads from plastic intrusion.
Countersunk head allows insert to be installed flush with sheet surface Knurled body for high torque applications Standard material: Low Carbon Steel Materials available on special order: 300 Series Stainless...
Countersunk head allows insert to be installed flush with sheet surface Standard material: Low Carbon Steel Materials available on special order: 300 Series Stainless Steel, Alloy No. 260 Brass, 6053-T4...
Designed for high load applications. Available with rib, key or full hex features for high torque applications. Both UNC and UNF threads available in No. 10 and larger thread sizes.
Designed for high load applications. Available with rib, key or full hex features for high torque applications.
Designed for high load applications. Countersunk feature allow fastener to be installed flush with sheet surface. Both UNC and UNF threads available in No. 10 and larger thread sizes. Check...
Designed for high load applications. Countersunk feature allow fastener to be installed flush with sheet surface.
Designed for high load applications. Designed for high load applications. Available with rib, key or full hex features for high torque applications.
Designed for superior pullout resistance in plastics and thin sheet metal. Pre-bulbed design requires less installation load. Pre-bulbed inserts require less installation load than straight shank and require slightly larger...
Designed for superior pullout resistance in plastics and thin sheet metal. Straight shank design uses smaller mounting hole. Other materials available. NOTE: The Atlas® spin-pull tool is recommended to install...
Designed for use in tapered holes. Tapered mounting hole allows for rapid and accurate alignment prior to installation.
Feature a hex body design. Improved torque-out resistance. Additional thread sizes and grip ranges available. Also available in aluminum and brass. Call for availability.
Feature a minimized-profile head and knurled shank. Allows near-flush installations with no need for special hole preparations such as countersinking or dimpling. Additional thread sizes and grip ranges available. Also...
Features a low-profile Allows near-flush installations with no need for special hole preparations such as countersinking or dimpling. Additional thread sizes and grip ranges available.
Flat head design for high load applications Knurled body for high torque applications Standard material: Low Carbon Steel Materials available on special order: 300 Series Stainless Steel, Alloy No. 260...
Flat head design for high load applications Semihex body for improved torque-out resistance Standard material: Low Carbon Steel Materials available on special order: 300 Series Stainless Steel, Alloy No. 260...
Flat head design for high load applications Standard material: Low Carbon Steel Materials available on special order: 300 Series Stainless Steel, Alloy No. 260 Brass, 6053-T4 or 6061-T4 Aluminum
Full hex feature for high torque applications Allows near-flush installations with no need for special hole preparations Standard material: Low Carbon Steel Materials available on special order: 300 Series Stainless...
Full hex feature for high torque applications Flat head design for high load applications Standard material: Low Carbon Steel Materials available on special order: 300 Series Stainless Steel, Alloy No.
Joining two panels of similar or dissimilar metals Can be also used for single point hinging applications (not primary use)
Knurled body for high torque applications Allows near-flush installations with no need for special hole preparations Standard material: Low Carbon Steel Materials available on special order: 300 Series Stainless Steel,...
Press-fit insert with strong, reusable threads. No heat or ultrasonics required. Flange-head eliminates direct contact of plastic with mating parts. Slotted insert compresses allowing easy access into the mounting hole...
Semihex body for improved torque-out resistance Allows near-flush installations with no need for special hole preparations Standard material: Low Carbon Steel Materials available on special order: 300 Series Stainless Steel,...
Single point hinging applications Can be also used for single point hinging applications (not primary use) Type SWF fasteners are shipped with mating washers (made of carbon steel, Zinc Plated,...
Uniform knurl diameter reduces the risk of sink marks. Available in varying lengths for injection molding assemblies.
Works in any thickness over .029”/0.76mm including blind applications. Minimal backside protrusion for restricted space applications. Additional thread sizes and grip ranges available. Not a typical stock item. Other materials...

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