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PennEngineering
All Categories > SI® Brand Insert for Plastics > Ultrasonic/Heat Staking Inserts > Tapered, Thru Threaded Inserts – Types IUA, IUB, IUC > Tapered, thru threaded inserts – Types IUA, IUB, IUC - Unified > Part # IUA-0428-2  

Part # IUA-0428-2, Tapered, thru threaded inserts – Types IUA, IUB, IUC - Unified

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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.




 Specifications   

Thread Size
.250-28 (1/4-28)

Type
IUA

Thread Code1
0428

Length Code
2

A ± .005

 View
.500 in

E ± .005
.375 in

C ± .005
.332 in

Min. Hole Depth
.540 in

D ± .002
.321 in

F ± .002
.363 in

R Ref. Taper Length
.300 in

Fastener 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.



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PEM SI Bulletin

Compression Limiter Capability