Part # IBLC-440-8, 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 .112-40 (#4-40)
Type	N/A IBLC
Thread Code	N/A 440
Length Code	N/A 8
A ± .005	N/A .344 in
H Min.	N/A .210 in
E Nom.	N/A .188 in
C ± .005	N/A .171 in
S1 ± 0.005	N/A .030 in
S2 ± 0.005	N/A .130 in
Minor Dia.Min.¹	N/A .086 in
Minor Dia.Max.	N/A .0939 in
First Cycle on Locking Torque Min.	N/A .50 in·lb
First Cycle on Locking Torque Max.	N/A 5.00 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