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Tel 800.466.1940
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  • Uniform knurl diameter reduces the risk of sink marks.
  • Available in varying lengths for injection molding assemblies.
  • Aluminum inserts ideal for light weight designs.
  • Aluminum and stainless steel inserts offer lead-free alternative.
Unit of Measure

Thread Size

 N/A .250-20 (1/4-20)

Type

 N/A STKA
Thread Code1 N/A 0420

Length Code

 N/A 4
L - Length ± .0052
N/A .125 in a1293_1.jpg

E Nom.

 N/A .375 in

Minor Dia.Min.

 N/A .197 in

Minor Dia.Max.

 N/A .207 in

Thread Specification

 N/A 2B per ASME B1.1

Standard Material

 N/A Aluminum

Standard Finish

 N/A Plain

CAD Supplier

 N/A PennEngineering® (SI®)

Inventory

 N/A {0}
  • 1 Thread tapped thru, Class 3A/4h screw must pass with finger torque, but basic go gauge may stop at last thread.
  • 2 The “L” dimension is the height of the installed stud at max grip. The height of the stud will increase if it is installed into thinner material. To calculate “actual L” use this formula: max grip - actual grip + L = “actual L”