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  • Press-fit insert with strong, reusable threads. No heat or ultrasonics required.
  • Flange-head eliminates direct contact of plastic with mating parts.
  • Slotted insert compresses allowing easy access into the mounting hole.
  • Aluminum inserts ideal for light weight designs.
  • Aluminum inserts offer lead-free alternative.
Flange-head inserts – Type PFLB
Press-in Threaded Inserts, Flange-Head 2
Unit of Measure
Items Flange-head inserts – Type PFLB
PFLA-M3-1
Press-in Threaded Inserts, Flange-Head - Metric
Flange-head inserts – Type PFLB
PFLA-M3-2
Press-in Threaded Inserts, Flange-Head - Metric
Flange-head inserts – Type PFLB
PFLA-M4-1
Press-in Threaded Inserts, Flange-Head - Metric
Flange-head inserts – Type PFLB
PFLA-M4-2
Press-in Threaded Inserts, Flange-Head - Metric
Flange-head inserts – Type PFLB
PFLA-M5-1
Press-in Threaded Inserts, Flange-Head - Metric
Thread Size x Pitch N/A M3 x 0.5 N/A M3 x 0.5 N/A M4 x 0.7 N/A M4 x 0.7 N/A M5 x 0.8
Type N/A PFLA
Thread Code N/A M3 N/A M3 N/A M4 N/A M4 N/A M5
Length Code N/A 1 N/A 2 N/A 1 N/A 2 N/A 1
A ± 0.13 N/A 4.22 mm a1297.jpg N/A 5.80 mm a1297.jpg N/A 6.25 mm a1297.jpg N/A 7.06 mm a1297.jpg N/A 6.86 mm a1297.jpg
E Nom. N/A 5.56 mm N/A 5.56 mm N/A 7.14 mm N/A 7.14 mm N/A 7.95 mm
C Nom. N/A 4.22 mm N/A 4.22 mm N/A 5.84 mm N/A 5.84 mm N/A 6.65 mm
T ± 0.13 N/A 0.56 mm N/A 0.56 mm N/A 0.89 mm N/A 0.89 mm N/A 1.09 mm
B ± 0.25 N/A 0.69 mm N/A 0.69 mm N/A 1.02 mm N/A 1.02 mm N/A 1.22 mm
S Nom. N/A 3.56 mm N/A 4.83 mm N/A 5.33 mm N/A 5.97 mm N/A 5.97 mm
W ± 0.4 N/A 0.50 mm N/A 0.50 mm N/A 1.14 mm N/A 1.14 mm N/A 1.60 mm
Min. Hole Depth N/A 5.24 mm N/A 6.82 mm N/A 7.27 mm N/A 8.08 mm N/A 7.88 mm
Hole Dia. ± 0.05 N/A 3.96 mm N/A 3.96 mm N/A 5.56 mm N/A 5.56 mm N/A 6.35 mm
Thread Specification N/A 6H per ASME B1.13M
Standard Material N/A Aluminum
Standard Finish N/A Plain
CAD Supplier N/A PennEngineering® (SI®)