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PennEngineering
All Categories > PEM® Brand Fasteners for Metal Sheets and Panels > Captive Panel Screws and Hardware > Screw Head, Spring-loaded - Types PFC2 and PFS2 > Screw Head, Spring-loaded - Metric Types PFC2, PFS2 > Part # PFS2-M4-50CN  

Part # PFS2-M4-50CN, Screw Head, Spring-loaded - Metric Types PFC2, PFS2

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  • Available in steel or stainless steel.
  • Meets “operator access area” requirements similar to UL 508.
  • Tool or finger operation.
  • Most sizes available in three screw lengths.




 Specifications   

Thread Size x Pitch
M4 x 0.7

Type
PFS2

Thread Code
M4

Screw Length Code
50

A (Shank) Max.

 View
1.53 mm

Min. Sheet Thickness
1.53 mm

Hole Size in Sheet + 0.08
7.92 mm

C Max.
7.9 mm

E ± 0.25
9.53 mm

G ± 0.4
7.90 mm

H ± 0.13
2.08 mm

P ± 0.64
0 mm

T1 Max.
11.43 mm

T2 Nom.
17.53 mm

Min. Dist. Hole C/L to Edge
7.87 mm

Thread Specification1
ANSI/ASME B1.13M, 6g

Material Retainer2
Heat-Treated Carbon Steel

Material Screw
Carbon Steel

Material Spring
300 Series Stainless Steel

Finish Retainer
Bright Nickel over Copper Flash per ASTM B689

Finish Screw
Bright nickel over copper flash per ASTM B689

Finish Spring
Natural Finish

For Use in Sheet Hardness
HRB 80 or Less (Hardness Rockwell “B” Scale) / HB 150 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.
2 The blue plastic retaining rings are a PEM trademark. The temperature limit is 200° F / 93° C.



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