• Pilot diameter and undercuts allow plastic to flow into grooves providing high pullout resistance.
  • Aluminum inserts ideal for light weight designs.
  • Aluminum and stainless steel inserts offer lead-free alternative.
Request Information
Unit of Measure

Thread Size

 .313-18 (5/16-18)

Type

 ITA
Thread Code1 0518

A ± .005

 .469 in
a1292.jpg

E Nom.

 .437 in

C ± .005

 .404 in

S1 Nom.

 .080 in

S2 Nom.

 .090 in
Minor Dia.Min.2 .254 in

Minor Dia.Max.

 .265 in

Thread Specification

 2B per ASME B1.1

Standard Material

 Aluminum

Standard Finish

 Plain

CAD Supplier

 PennEngineering® (SI®)
  • 1 Thread tapped thru, Class 3A/4h screw must pass with finger torque, but basic go gauge may stop at last thread.
  • 2 Minor diameter may be below minimum in deformed thread area.