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Tel 800.466.1940
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  • Designed for use in tapered holes.
  • Tapered mounting hole allows for rapid and accurate alignment prior to installation.
  • 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 IUA
Thread Code1 N/A 0420

Length Code

 N/A 2

A ± .005

 N/A .500 in SI_IUB_dimension-518.jpg

E ± .005

 N/A .375 in

C ± .005

 N/A .332 in

Min. Hole Depth

 N/A .540 in

D ± .002

 N/A .321 in

F ± .002

 N/A .363 in

R Ref. Taper Length

 N/A .300 in

Fastener 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.