Inserts

A direct cross to both PSM and Helicoil, "Zerts" are manufactured using in-process SPC and final inspection techniques to assure the highest quality standards. Attractively priced inventories are on the floor to fulfill your immediate delivery requirements.

Click here for insert load curves and performance values.

SHZ

Straight Hole Zert

“Straight Hole Zert” is designed to be installed into a wide variety of thermoplastics. The insert can be installed using Heat or Ultra-Sonics. The insert’s opposing helical knurls provide excellent torque and pull-out resistance. Headed, stud and headed stud variations are available.
 

THZ

Tapered Hole Zert

“Tapered Hole Zert” is designed to be used in a hole with an 8 degree inclusive taper at the top. This feature makes it a favorite with molders. The combination of knurls and vanes provide excellent pull-out and torque performance.
 

TWZ

Twin Zert

“Twin Zert” is designed to be installed into a wide variety of thermoplastics. The inserts double ended design eliminates the need for orientation during installation. Opposing helical knurls and knurled vanes give the insert superior pull-out performance over most inserts. Heat is the recommended method for installation.
 

MNZ

Miniature Zert

“Miniature Zert” offers all the characteristics of the Twin Zert with a miniature design. This insert was designed for use in small moldings where space needs to be optimized. Installs using heat or ultrasonics.
 

LSZ

Low Stress Zert

“Low Stress Zert” offers a rounded knurl pattern for use in notch sensitive amorphous plastics. Heat is the recommended method for installation.
 

TSZ

Thermo Set Zert

“Thermo Set Zert” offers a sharp helical knurl pattern that broaches into Thermo Set materials. Headed, Stud and Headed Stud variations are available.
 

EFZ

Expansion Fin Zert

“Expansion Fin Zert” is designed to be installed into a wide variety of thermoplastics. The insert is a cold push-in insert that collapses during installation. As the screw is installed into the insert it expands allowing the fins to penetrate the plastic. This feature gives the insert a thread locking effect.
 

EDZ

Expansion Diamond Zert

“Expansion Diamond Zert” is a press-in expansion insert designed for installation into hard thermo set plastics. As the screw is installed into the insert it expands allowing the diamond knurl to penetrate the plastic. This feature gives the insert a thread locking effect. Headed and reverse headed variations are available.
 

PFZ

Press in Zert

“Press Fin Zert” is a cold press-in insert designed to offer a free running thread in most thermoplastic materials. The combination of fins and a straight knurl offer excellent torque and pull out performance. Headed, Stud and Headed stud variations are available.
 

SSZ

Screw Zert

“Screw Zert” is a self tapping insert that can be installed into thermoplastic, thermosetting plastics, and composite materials. They work well into materials with low core strengths. Headed and stud variations are available.
 

PHZ

Press-in Hex Zert

“Press-in Hex Zert” is designed to be installed into thermoplastics, by cold press-in. The hexagonal barbed design gives exceptional pull-out and torque performance. For additional performance, the insert can be installed by heat or ultra-sonics.
 

MBZ

Molded Blind Zert

“Molded Blind Zert” has a blind bottom to prevent plastic material from contaminating the inner thread. MBZ multiple lengths provide the design engineer with a large variety of options to choose from.
 

MTZ

Molded Thru-Hole Zert

“Molded Thru-Hole Zert” is a molded–in type insert. Unlike the MBZ it has a through hole to allow a screw to pass

through the insert. Multiple lengths are available to give a large variety of options.

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