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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


  • 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.


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