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Online literature contains the most current information available.
  • Appropriate for close centerline-to-edge applications.
  • Does not require high installation force.
  • Installs into any panel hardness.
  • Installs flush on back side of panel.
Unit of Measure

Thread Size

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



Thread Code

N/A 440

Screw Length Code

N/A 0

A (Shank) Max.

N/A .041 in Captive-Panel-Screw--Screw-Head--Spring-loaded--Flare-Mount-PF7MF-2.jpg

Min. Sheet Thickness

N/A .031 in

Hole Size in Sheet + 0.005 - 0.000

N/A .187 in

C Max.

N/A .186 in

E ± .010

N/A .310 in

H ± .010

N/A .100 in

G1 ± .025

N/A .040 in

G2 ± .025

N/A .210 in

T1 Nom.

N/A .38 in

T2 Nom.

N/A .55 in
Thread Specification1 N/A ASME B1.1, 2A

Material Retainer

N/A Aluminum

Material Screw

N/A Heat-Treated Carbon Steel

Material Spring

N/A 300 Series Stainless Steel

Finish Retainer

N/A Natural finish

Finish Screw

N/A Bright nickel over copper flash

Finish Spring

N/A Natural Finish

CAD View

N/A Fastened

CAD Supplier

N/A PennEngineering® (PEM®)
  • 1 As with all external plated threads, Class 2A/6g, the maximum major and pitch, after plating, may equal basic sizes and be gauged to Class 3A/4h, per ANSI B1.1, Section 8, Table 3A and ANSI B1.13M, Section 8, Paragraph 8.2.