MBZ | Molded Blind Zerts

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Features

  • Design provides excellent performance when molded in thermoplastics and thermosetting plastics.
  • Blind end prevents ingress of plastic and contaminating threads.
  • Double–ended to assist automatic feeding by eliminating the need for orientation during installation.
  • Large selection of insert threads and lengths.

Dimensions

General
Insert
Thread
Insert
Thread Code
D
Stock Dia.
Before Knurl
P
End Diameter
±.005
S1 S2 Thread
Minor
Diameter
2-56 256 .156 .142 .030 .030 .0670 -.0737
4-40 440 .188 .171 .030 .030 .0860 -.0939
6-32 632 .219 .202 .030 .060 .105 -.114
8-32 832 .250 .226 .050 .060 .131-.139
10-24 1024 .281 .259 .050 .060 .146 -.156
10-32 1032 .281 .259 .050 .060 .157-.164
1/4-20 2520 .344 .321 .060 .090 .197-.207
1/4-28 2528 .344 .321 .060 .090 .212- .220
5/16-18 3118 .438 .404 .078 .094 .260 -.265
3/8-16 3716 .500 .466 .094 .094 .309 -.321
Length
Insert
Thread
L
Insert Length
±.005
Insert
Length
Code
T
Thread Depth
Min.
2-56 .156 156 .080
.219 219 .140
.250 250 .170
.290 290 .178
.312 312 .215
.330 330 .233
.344 344 .250
4-40 .188 188 .100
.205 205 .110
.281 281 .170
.344 344 .230
.406 406 .280
.438 438 .325
.468 468 .355
6-32 .219 219 .125
.250 250 .135
.344 344 .210
.406 406 .270
.469 469 .335
.484 484 .350
.531 531 .395
8-32 .250 250 .135
.344 344 .220
.406 406 .285
.469 469 .345
.484 484 .360
.531 531 .395
10-24 .312 312 .166
.356 356 .175
.438 438 .260
.469 469 .291
.531 531 .345
.625 625 .425
.656 656 .500
.716 716 .510
10-32 .281 281 .155
.438 438 .240
.469 469 .345
.531 531 .405
1/4-20 1/4-28 .344 344 .200
.375 375 .231
.531 531 .355
.625 625 .450
.688 688 .500
.719 719 .540
.750 750 .600
.819 819 .640
5/16-18 .438 438 .240
.469 469 .271
.594 594 .345
.719 719 .490
.811 811 .570
.949 949 .720
3/8-16 .500 500 .275
.562 562 .250
.688 688 .430
.812 812 .550
.935 935 .660
1.000 1.000 .765

Installation

The MBZ Molded Blind 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
Code
Insert
Length
Code
Host
Material
Pull-out
(lbs)
Torque-out
(in-lbs)
256 .219 ABS 140-148 5.5 – 5.8
Polycarbonate 158-165 5.8-6.2
.312 ABS 143-150 5.7-6.0
Polycarbonate 160-167 5.9-6.4
440 .281 ABS 240-250 5.7-6.2
Polycarbonate 253-265 6.5-6.9
.406 ABS 243-252 5.9-6.4
Polycarbonate 262-268 6.6-7.0
632 .344 ABS 415-425 8.0-8.5
Polycarbonate 440-455 8.7-9.2
.469 ABS 420-428 8.2-8.6
Polycarbonate 452-458 8.8-9.3
832 .344 ABS 521-530 14.1-15.0
Polycarbonate 536-545 15.4-16.1
.469 ABS 526-533 15.0-15.8
Polycarbonate 540-547 15.8-16.4
10241032 .438 ABS 624-635 52-57
Polycarbonate 640-648 56-59
.469 ABS 629-637 54-58
Polycarbonate 646-651 57-60
25202528 .531 ABS 895-910 103-108
Polycarbonate 912-928 107-111

Material & Finish


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Material CodeMaterial DescriptionFinish CodeFinish Description
SSStainless Steel

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