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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-0420-1  
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Part # IUA-0420-1, Tapered, thru threaded inserts – Types IUA, IUB, IUC - Unified



  • 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

.250-20 (1/4-20)

Type

IUA

Thread Code1

0420

Length Code

1

A ± .005

View
.300 in

E ± .005

.375 in

C ± .005

.354 in

Min. Hole Depth

.340 in

D ± .002

.349 in

F ± .002

.363 in

R Ref. Taper Length

.100 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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Compression Limiter Capability