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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 # PFS2-0420-82CN
Part # PFS2-0420-82CN, 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
.250-20 (1/4-20)
Type
PFS2
Thread Code
0420
Screw Length Code
82
A (Shank) Max.
.060
in
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Min. Sheet Thickness
.060
in
Hole Size in Sheet + 0.003 - 0.000
.413
in
C Max.
.412
in
E ± .010
.468
in
G ± .016
.500
in
H ± .005
.097
in
P ± .025
.125
in
T1 Max.
.580
in
T2 Nom.
.880
in
Min. Dist. Hole C/L to Edge
.38
in
Thread Specification
1
ANSI B1.1, 2A
Material Retainer
2
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
Fastened
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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