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All Categories > SI® Brand Insert for Plastics > Press-in Inserts > Hexagonal Inserts – Types NFPC, NFPA > Press-in Threaded Inserts, Hexagonal - Metric > Part # NFPC-M3  

Part # NFPC-M3, Press-in Threaded Inserts, Hexagonal - Metric

  • 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.


Thread Size x Pitch

M3 x 0.5



Thread Code


A Max.

5.84 mm

C Max.

4.72 mm

E Nom.

4.75 mm

Min. Sheet Thickness

6.10 mm

Hole Size in Sheet + 0.08

4.75 mm

Min. Boss Dia.

12.70 mm

Min. Depth Full Thread H1

5.38 mm

Thread Specification

6H per ASME B1.13M

Standard Material

300 Series Stainless Steel

Standard Finish

Passivated and/or tested per ASTM A380

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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