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PennEngineering
All Categories > PEM® Brand Fasteners for Metal Sheets and Panels > Captive Panel Screws and Hardware > Large Knob, Spring-Loaded – Types PF11, PF11M, PF11MF, PF11MW, PF12, PF12M, PF12MF, PEM C.A.P.S®, PF12MW, PF15, PF15M > Large Knob, Spring-loaded – Type PEM C.A.P.S® > Large Knob, Spring-loaded - PEM C.A.P.S. - Unified > Part # PF11PM-440-1B  

Part # PF11PM-440-1B, Large Knob, Spring-loaded - PEM C.A.P.S. - Unified

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  • Colored access panel screws.




 Specifications   

Thread Size
.112-40 (#4-40)

Type
Knurled Cap - PF11PM

Thread Code
440

Screw Length Code
1

Knob Color1

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
.417 in

G ± .025
.230 in

P ± .025
.060 in

T1 Nom.
0.31 in

T2 Nom.
.450 in

Driver Size
#2 Phillips

Min. Dist. Hole C/L to Edge
.28 in

Min. Float
.020 in

Thread Specification2
ANSI B1.1, 2A

Material Knob3
PC/ABS (UL 94V-0, halogen-free)

Material Retainer
Heat-Treated Carbon Steel

Material Screw
Heat-Treated Carbon Steel

Material Spring
300 Series Stainless Steel

Finish Retainer
Bright Nickel over Copper Flash per ASTM B689

Finish Screw
Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless

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 The colors shown (except for black) are non-stocked standards and available on special order. Since actual color knob may vary slightly from those represented, we recommend that you request samples for color verification. If you require a custom color or you need a “color matched” knob, please contact us
2 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.
3 Temperature limit is 210° F / 99° C.



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