Part # IBLC-0420-8ASSY, Molded-in Threaded Inserts, Self-Locking, Blind Threaded

Deformed threads create prevailing torque locking feature to prevent screw loosening due to vibration.
Blind-end protects the threads from plastic intrusion.
Stainless steel inserts offer lead-free alternative.

Unit of Measure

Thread Size	N/A .250-20 (1/4-20)
Type	N/A IBLC
Thread Code	N/A 0420
Length Code	N/A 8
A ± .005	N/A .625 in
H Min.	N/A .415 in
E Nom.	N/A .344 in
C ± .005	N/A .325 in
S1 ± 0.005	N/A .060 in
S2 ± 0.005	N/A .060 in
Minor Dia.Min.¹	N/A .197 in
Minor Dia.Max.	N/A .207 in
First Cycle on Locking Torque Min.	N/A 4.50 in·lb
First Cycle on Locking Torque Max.	N/A 30.00 in·lb
Thread Specification	N/A 2B per ASME B1.1
Standard Material	N/A 300 Series Stainless Steel
Standard Finish	N/A Passivated and/or Tested Per ASTM A380
CAD Supplier	N/A PennEngineering® (SI®)

Thread Size