CAD (0)
  • Cart is empty
  • 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

.250-20 (1/4-20)

Type

STKA
Thread Code1 0420

Length Code

8

L - Length ± .005

.250 in
a1293.jpg

E Nom.

.375 in

Minor Dia.Min.

.197 in

Minor Dia.Max.

.207 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.