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  • Self-clinching mounting design provides high pushout resistance.
  • Installs flush on back side of panel.
  • Does not require special hole preparation.
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 .036 in Captive-Panel-Screw--Screw-Head--Spring-loaded--Self-Clinching-PF7M---2.jpg

Min. Sheet Thickness

N/A .036 in

Hole Size in Sheet + 0.003 - 0.000

N/A .219 in

C Max.

N/A .218 in

E ± .010

N/A .310 in

G ± .025

N/A .210 in

H ± .010

N/A .100 in

P ± .025

N/A .000 in

T1 Nom.

N/A .38 in

T2 Nom.

N/A .55 in

Min. Dist. Hole C/L to Edge

N/A .28 in
Thread Specification1 N/A ASME B1.1, 2A

Material Retainer

N/A Carbon Steel

Material Screw

N/A Heat-Treated Carbon Steel

Material Spring

N/A 300 Series Stainless Steel

Finish Retainer

N/A Bright nickel over copper flash

Finish Screw

N/A Bright nickel over copper flash

Finish Spring

N/A Natural Finish

For Use in Sheet Hardness

N/A HRB 60 or Less (Hardness Rockwell “B” Scale) / HB 107 or Less (Hardness Brinell)

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.

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