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For Castings and Soft Metals HRB 70 / HB 125 or less

PEM® 300 Series Stainless Steel CASTSERT® inserts provide strong, durable metal threads in soft metals and die-cast alloys. The simple press-in and rapid installation process for these inserts uses a flat punch and anvil to install all sizes and lengths, approximately 80% faster than other methods.


  • Designed for flush installation with flat punch and anvil into blind holes or thru-holes
  • Process cost savings vs. coil inserts or thread tapping
  • Installed into drilled holes or as-cast holes with low draft angle
  • Pilot for rapid seating and self-alignment
  • Symmetric for auto-feed capability

    • Fastener drawings and models are available at www.pemnet.com

    Unit of Measure
    Items
    PEM CASTSERT Press-in Inserts

    PEM® CASTSERT® Press-in Inserts - Metric
    PEM CASTSERT Press-in Inserts

    PEM® CASTSERT® Press-in Inserts - Metric
    PEM CASTSERT Press-in Inserts

    PEM® CASTSERT® Press-in Inserts - Metric
    PEM CASTSERT Press-in Inserts

    PEM® CASTSERT® Press-in Inserts - Metric
    PEM CASTSERT Press-in Inserts

    PEM® CASTSERT® Press-in Inserts - Metric
    Thread Size x Pitch N/A M2.5 x 0.45 N/A M2.5 x 0.45 N/A M3 x 0.5 N/A M3 x 0.5 N/A M4 x 0.7
    Type N/A CKS
    Thread Code N/A M2.5 N/A M2.5 N/A M3 N/A M3 N/A M4
    Length A ±0.13
    		N/A 3.18 mm PEM-CASTSERT-Press-in-Inserts_DIM.jpg N/A 6.35 mm PEM-CASTSERT-Press-in-Inserts_DIM.jpg N/A 4.45 mm PEM-CASTSERT-Press-in-Inserts_DIM.jpg N/A 7.62 mm PEM-CASTSERT-Press-in-Inserts_DIM.jpg N/A 6.35 mm PEM-CASTSERT-Press-in-Inserts_DIM.jpg
    Pilot C Max. N/A 4.55 mm N/A 4.55 mm N/A 5.31 mm N/A 5.31 mm N/A 6.76 mm
    After Knurl E (Nom.) N/A 4.98 mm N/A 4.98 mm N/A 5.79 mm N/A 5.79 mm N/A 7.49 mm
    Min. Sheet Thickness R N/A 3.3 mm N/A 6.48 mm N/A 4.57 mm N/A 7.75 mm N/A 6.48 mm
    Straight Hole Dia. D + 0.08 N/A 4.76 mm N/A 4.76 mm N/A 5.56 mm N/A 5.56 mm N/A 7.15 mm
    Min. Dia. H of Tapered Hole at Length R1 N/A 4.57 mm N/A 4.57 mm N/A 5.33 mm N/A 5.33 mm N/A 6.78 mm
    Min. Dist. Hole C/L to Edge N/A 3.83 mm N/A 3.83 mm N/A 4.44 mm N/A 4.44 mm N/A 5.72 mm
    Standard Material N/A 300 Series Stainless Steel
    Standard Finish N/A Passivated and/or tested per ASTM A380
    CAD Supplier N/A PennEngineering® PEM®
    • 1 Draft hole performance will vary greatly depending on length of engagement of the knurl over the installed length. For best results, recommend use of 3 degree or less total draft and design hole as close to H as possible at depth R to optimize length and depth of knurl engagement.