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  • Deformed threads lock screw in place to resist vibration.
  • Blind-end protects the threads from plastic intrusion.
  • Stainless steel inserts offer lead-free alternative.
Unit of Measure

Thread Size

 .112-40 (#4-40)

Type

 IBLC

Thread Code

 440

Length Code

 8

A ± .005

 .344 in
IBLC_Style1-and-Style2.jpg

H Min.

 .210 in

E Nom.

 .188 in

C ± .005

 .171 in

S1 ± 0.005

 .030 in

S2 ± 0.005

 .130 in
Minor Dia.Min.1 .086 in

Minor Dia.Max.

 .0939 in

First Cycle on Locking Torque Min.

 .50 in·lb

First Cycle on Locking Torque Max.

 5.00 in·lb

Thread Specification

 2B per ASME B1.1

Standard Material

 300 Series Stainless Steel

Standard Finish

 Passivated and/or tested per ASTM A380

CAD Supplier

 PennEngineering® (SI®)
  • 1 Minor diameter may be below minimum in deformed thread area.