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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 llight weight designs.
  • Aluminum and stainless steel inserts offer lead-free alternative.
Hexagonal inserts – Types NFPC, NFPA
Press-in Threaded Inserts, Hexagonal 2
Unit of Measure
Items Hexagonal inserts – Types NFPC, NFPA
NFPC-M2.5
Press-in Threaded Inserts, Hexagonal - Metric
Hexagonal inserts – Types NFPC, NFPA
NFPC-M3
Press-in Threaded Inserts, Hexagonal - Metric
Hexagonal inserts – Types NFPC, NFPA
NFPC-M3.5
Press-in Threaded Inserts, Hexagonal - Metric
Hexagonal inserts – Types NFPC, NFPA
NFPC-M4
Press-in Threaded Inserts, Hexagonal - Metric
Hexagonal inserts – Types NFPC, NFPA
NFPC-M5
Press-in Threaded Inserts, Hexagonal - Metric
Thread Size x Pitch N/A M2.5 x 0.45 N/A M3 x 0.5 N/A M3.5 x 0.6 N/A M4 x 0.7 N/A M5 x 0.8
Type N/A NFPC
Thread Code N/A M2.5 N/A M3 N/A M3.5 N/A M4 N/A M5
A Max. N/A 5.84 mm a1295.jpg N/A 5.84 mm a1295.jpg N/A 5.84 mm a1295.jpg N/A 6.73 mm a1295.jpg N/A 6.73 mm a1295.jpg
C Max. N/A 4.72 mm N/A 4.72 mm N/A 4.72 mm N/A 6.32 mm N/A 6.32 mm
E Nom. N/A 4.75 mm N/A 4.75 mm N/A 4.75 mm N/A 6.35 mm N/A 6.35 mm
Min. Sheet Thickness N/A 6.10 mm N/A 6.10 mm N/A 6.10 mm N/A 6.99 mm N/A 6.99 mm
Hole Size in Sheet + 0.08 N/A 4.75 mm N/A 4.75 mm N/A 4.75 mm N/A 6.35 mm N/A 6.35 mm
Min. Boss Dia. N/A 12.70 mm N/A 12.70 mm N/A 12.70 mm N/A 15.88 mm N/A 15.88 mm
Min. Depth Full Thread H1 N/A 5.38 mm N/A 5.38 mm N/A 5.38 mm N/A 6.30 mm N/A 6.30 mm
Thread Specification N/A 6H per ASME B1.13M
Standard Material N/A 300 Series Stainless Steel
Standard Finish N/A Passivated and/or tested per ASTM A380
CAD Supplier N/A PennEngineering® (SI®)
  • 1 Thread tapped thru, Class 3A/4h screw must pass with finger torque, but basic go gauge may stop at pilot end.