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Screw Head, Spring-loaded - Unified Types PFC2, PFS2
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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 # PFC2-440-40
Part # PFC2-440-40, Screw Head, Spring-loaded - Unified 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.
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Specifications
Thread Size
.112-40 (#4-40)
Type
PFC2
Thread Code
440
Screw Length Code
40
A (Shank) Max.
.060
in
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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
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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