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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

Specifications

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

.180 in

S1 ± 0.005

.030 in

S2 ± 0.005

.030 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.