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PEM® Brand Fasteners for Metal Sheets and Panels
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Captive Panel Screws and Hardware
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Screw Head, Spring-loaded - Types PFC2 and PFS2
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Screw Head, Spring-loaded - Unified Types PFC2, PFS2
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Part # PFC2-440-40BN
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Part # PFC2-440-40BN, Screw Head, Spring-loaded - Unified Types PFC2, PFS2
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.
larger image
larger image
Specifications
Thread Size
.112-40 (#4-40)
Type
PFC2
Thread Code
440
Screw Length Code
40
A (Shank) Max.
.060
in
larger image
Min. Sheet Thickness
.060
in
Hole Size in Sheet + 0.003 - 0.000
.265
in
C Max.
.264
in
E ± .010
.312
in
G ± .016
.250
in
H ± .005
.072
in
P ± .025
.000
in
T1 Max.
.360
in
T2 Nom.
.540
in
Min. Dist. Hole C/L to Edge
.250
in
Thread Specification
1
ANSI B1.1, 2A
Material Retainer
2
300 Series Stainless Steel
Material Screw
300 Series Stainless Steel
Material Spring
300 Series Stainless Steel
Finish Retainer
Passivated and/or tested per ASTM A380
Finish Screw
Passivated and/or tested per ASTM A380
Finish Spring
Natural Finish
Optional Finish
Retainer – BN – Black Nitride
Screw – BN – Black nitride
For Use in Sheet Hardness
HRB 70 or Less (Hardness Rockwell “B” Scale) / HB 125 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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