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Online literature contains the most current information available.
  • Designed for use in straight or tapered holes.
  • Symmetrical design eliminates the need for orientation.
  • Aluminum inserts ideal for light weight designs.
  • Aluminum and stainless steel inserts offer lead-free alternative.
Unit of Measure

Thread Size

N/A .112-40 (#4-40)


Thread Code1 N/A 440

A ± .005

N/A .226 in a1289.jpg

E ± .009

N/A .182 in

C ± .003

N/A .153 in

Min. Hole Depth

N/A .256 in

Hole Dia. +.003 -.000

N/A .157 in

Thread Specification

N/A 2B per ASME B1.1

Standard Material

N/A Free-machining, Leaded Brass

Standard Finish

N/A Plain

CAD Supplier

N/A PennEngineering® (SI®)
  • 1 Thread tapped thru, Class 3A/4h screw must pass with finger torque, but basic go gauge may stop at last thread