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All Categories > SI® Brand Insert for Plastics > Press-in Inserts > Hexagonal Inserts – Types NFPC, NFPA > Press-in Threaded Inserts, Hexagonal - Unified > Part # NFPA-440  

Part # NFPA-440, Press-in Threaded Inserts, Hexagonal - Unified

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  • Press-fit insert provides strong, reusable threads. No heat or ultrasonics required.
  • Hexagonal “barbed” configuration ensures high torqueout and pullout values.
  • Aluminum inserts ideal for light weight designs.
  • Aluminum and stainless steel inserts offer lead-free alternative.




 Specifications   

Thread Size
.112-40 (#4-40)

Type
NFPA

Thread Code
440

A Max.

 View
.230 in

C Max.
.186 in

E Nom.
.187 in

Min. Sheet Thickness
.240 in

Hole Size in Sheet + .003 - .000
.187 in

Min. Boss Dia.
.500 in

Min. Depth Full Thread H1
.212 in

Thread Specification
2B per ASME B1.1

Standard Material
Aluminum

Standard Finish
Plain

CAD Supplier
PennEngineering® (SI®)
1 Thread tapped thru, Class 3A/4h screw must pass with finger torque, but basic go gauge may stop at pilot end.



 DOWNLOADS 

PEM SI Bulletin


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