Part # PF12MW-832-12, Large Knob, Spring-loaded - Types PF11MW and PF12MW - Unified On Aero-Space Fasteners and Electronics, Inc.

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NOTE: Mating washers for PF11MW / PF12MW panel fasteners are not shown in 3D drawings.

Unit of Measure

Thread Size	N/A .164-32 (#8-32)
Type	N/A Smooth Cap - PF12MW
Thread Code	N/A 832
Shank Code¹	N/A 1
Screw Length Code	N/A 2
A Max. Sheet Thickness	N/A .063 in
B Min.	N/A .121 in
D Hole Size in Sheet + 0.003 - 0.001	N/A .346 in
E ± .010	N/A .514 in
G Nom.	N/A .350 in
H Min.	N/A .469 in
L1 Nom.²	N/A .157 in
L2 Max.	N/A .140 in
T1 Nom.	N/A .450 in
T2 Nom.	N/A .640 in
Driver Size	N/A Slotted/#2 Phillips
Min. Float	N/A .076 in
W Nom.	N/A .407 in
Thread Specification³	N/A ANSI B1.1, 2A
Material Knob	N/A Aluminum
Material Retainer	N/A Aluminum
Material Screw	N/A Heat-Treated Carbon Steel
Material Spring	N/A 300 Series Stainless Steel
Material Washer	N/A 300 Series Stainless Steel
Finish Knob	N/A Natural Finish
Finish Retainer	N/A Natural finish
Finish Screw	N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless
Finish Spring	N/A Natural Finish
CAD View	N/A Fastened
CAD Supplier	N/A PennEngineering® (PEM®)
CAD Note	N/A Mating washers for PF11MW / PF12MW panel fasteners are not shown in 3D drawings.

¹ Other shank and screw lengths available.
² The “L” dimension is the height of the installed stud at max grip. The height of the stud will increase if it is installed into thinner material. To calculate “actual L” use this formula: max grip - actual grip + L = “actual L”
³ 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

Thread Size