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Online literature contains the most current information available.
  • 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.
Unit of Measure

Thread Size

N/A .313-18 (5/16-18)



Thread Code

N/A 0518

A Max.

N/A .365 in a1295.jpg

C Max.

N/A .374 in

E Nom.

N/A .375 in

Min. Sheet Thickness

N/A .380 in

Hole Size in Sheet + .003 - .000

N/A .375 in

Min. Boss Dia.

N/A .950 in
Min. Depth Full Thread H1 N/A .345 in

Thread Specification

N/A 2B per ASME B1.1

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.