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 All Categories    Captive Panel Screw, Screw Head, Spring-loaded, Self-Clinching - Unified Type PF7M
PennEngineering
All Categories > PEM® Brand Fasteners for Metal Sheets and Panels > Captive Panel Screws and Hardware > Screw Head, Spring-loaded, compact - Types PF7M and PF7MF > Screw Head, Spring-loaded, Self-Clinching PF7M > Captive Panel Screw, Screw Head, Spring-loaded, Self-Clinching - Unified Type PF7M > Part # PF7M-440-0CN  

Part # PF7M-440-0CN, Captive Panel Screw, Screw Head, Spring-loaded, Self-Clinching - Unified Type PF7M


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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.





 Specifications   

Thread Size

.112-40 (#4-40)

Type

PF7M

Thread Code

440

Screw Length Code

0

A (Shank) Max.

View
.036 in

Min. Sheet Thickness

.036 in

Hole Size in Sheet + 0.003 - 0.000

.219 in

C Max.

.218 in

E ± .010

.310 in

G ± .025

.210 in

H ± .010

.100 in

P ± .025

.000 in

T1 Nom.

.38 in

T2 Nom.

.55 in

Min. Dist. Hole C/L to Edge

.28 in

Thread Specification1

ASME B1.1, 2A

Material Retainer

Carbon Steel

Material Screw

Heat-Treated Carbon Steel

Material Spring

300 Series Stainless Steel

Finish Retainer

Bright nickel over copper flash

Finish Screw

Bright nickel over copper flash

Finish Spring

Natural Finish

For Use in Sheet Hardness

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

CAD View

Unfastened

CAD Supplier

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.