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All Categories > SI® Brand Insert for Plastics > Ultrasonic/Heat Staking Inserts > Symmetrical, Thru Threaded Inserts – Types ISA, ISB, ISC > Heat Staking Insert, Symmetrical, Thru-Threaded - Unified > Part # ISA-440  
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Part # ISA-440, Heat Staking Insert, Symmetrical, Thru-Threaded - Unified


  • Designed for use in straight or tapered holes.
  • Symmetrical design eliminates the need for orientation.
  • Aluminum inserts ideal for light weight designs.
  • Aluminum and stainless steel inserts offer lead-free alternative.




 Specifications   

Thread Size
.112-40 (#4-40)

Type
ISA

Thread Code1
440

A ± .005

 View
.226 in

E ± .009
.182 in

C ± .003
.153 in

Min. Hole Depth
.256 in

Hole Dia. +.003 -.000
.157 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



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PEM SI Bulletin

Compression Limiter Capability