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All Categories > SI® Brand Insert for Plastics > Press-in Inserts > Straight Knurl Inserts – Types PKA, PKB > Press-in Threaded Inserts, Straight Knurl - Unified > Part # PKA-0420  

Part # PKA-0420, Press-in Threaded Inserts, Straight Knurl - Unified


  • Press-fit insert with strong, reusable threads. No heat or ultrasonics required.
  • Straight knurling at the top end of the insert offers higher torsional resistance.
  • Slotted insert compresses allowing easy access into the mounting hole.
  • Aluminum inserts ideal for light weight designs.
  • Aluminum inserts offer lead-free alternative.





 Specifications   

Thread Size

.250-20 (1/4-20)

Type

PKA

Thread Code

0420

A ± .005

View
.500 in

E Nom.

.312 in

C ± .010

.291 in

B1 ± .010

.150 in

B2 ± .010

.210 in

S Nom.

.375 in

W ± .015

.078 in

Min. Hole Depth

.540 in

Hole Dia. ± .002

.312 in

Thread Specification

2B per ASME B1.1

Standard Material

Aluminum

Standard Finish

Plain

CAD Supplier

PennEngineering® (SI®)


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