MTZ | Molded Thru-hole Zerts

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Features

  • Design provides excellent performance when molded in thermoplastics and thermosetting plastics.
  • Tapped open end allows screw to pass through the insert.
  • Custom lengths available by request.


When second sourcing PENCOM’s products, PENCOM recommends that the part is tested in the application to ensure that it will meet all performance requirements.

Dimensions

Insert ThreadInsert Thread CodeL Insert Length ±.005Insert Length CodeD Stock Dia. Before KnurlP End Diameter ±.005S1S2Thread Minor Diameter
0-80080.125125.109.078.030.030.0475 -.0510
2-56256.125125.156.142.030.030.0670-.0737
4-40440.188188.188.171.030.030.0860-.0939
6-32632.219219.219.202.030.060.105 -.114
8-32832.250250.250.226.050.060.131-.139
10-241024.281281.281.259.050.060.146 -.156
10-321032.281281.281.259.050.060.157-.164
1/4-202520.375375.344.321.060.090.197-.207
1/4-282528.375375.344.321.060.090.212-.220
5/16-183118.469469.437.404.080.090.260-.265
3/8-163716.562562.500.466.090.090.309-.321

Installation

The MTZ Molded Thru–hole Zert is designed to be molded into the host plastic using a core pin to locate the insert in the mold. A good fit between the core pin and insert will prevent plastic from flowing into the threads.

Performance

Insert Thread CodeHost MaterialPull-out (lbs)Torque-out (in-lbs)
080
256
ABS96-1045.2- 5.6
Polycarbonate106-1155.6- 6.0
440ABS166-1755.5-6.0
Polycarbonate173-1866.2-6.9
632ABS290-2987.5-8.0
Polycarbonate302-3188.5-9.0
832ABS368-37013.6-14.0
Polycarbonate372-38214.7-16.0
1024
1032
ABS432-44450-55
Polycarbonate445-45452-57
2520
2528
ABS620-63575-70
Polycarbonate635-65098-103

(1) Performance data shown is for reference only. Variations in application, boss material type and size, and installation method will affect the loads. PENCOM strongly encourages testing in the application.

Material & Finish

Material CodeMaterial DescriptionFinish CodeFinish Description
SSStainless Steel

Contact a PENCOM Account Representative for other material & finish options.