PennEngineering - Large Knob, Spring-loaded - Types PF11MW and PF12MW - Unified

Unit of Measure

Items	PF11MW-440-11 Large Knob, Spring-loaded - Types PF11MW and PF12MW - Unified	PF11MW-440-11 Large Knob, Spring-loaded - Types PF11MW and PF12MW - Unified	PF11MW-632-11 Large Knob, Spring-loaded - Types PF11MW and PF12MW - Unified	PF11MW-632-11 Large Knob, Spring-loaded - Types PF11MW and PF12MW - Unified	PF11MW-832-11 Large Knob, Spring-loaded - Types PF11MW and PF12MW - Unified
Thread Size	N/A .112-40 (#4-40)	N/A .112-40 (#4-40)	N/A .138-32 (#6-32)	N/A .138-32 (#6-32)	N/A .164-32 (#8-32)
Type	N/A Knurled Cap - PF11MW
Thread Code	N/A 440	N/A 440	N/A 632	N/A 632	N/A 832
Shank Code¹	N/A 1
Screw Length Code	N/A 1
A Max. Sheet Thickness	N/A .063 in
B Min.	N/A .111 in	N/A .111 in	N/A .115 in	N/A .115 in	N/A .121 in
D Hole Size in Sheet + 0.003 - 0.001	N/A .250 in	N/A .250 in	N/A .283 in	N/A .283 in	N/A .346 in
E ± .010	N/A .417 in	N/A .417 in	N/A .450 in	N/A .450 in	N/A .514 in
G Nom.	N/A .230 in	N/A .230 in	N/A .290 in	N/A .290 in	N/A .290 in
H Min.	N/A .375 in	N/A .375 in	N/A .413 in	N/A .413 in	N/A .469 in
L1 Nom.	N/A .137 in	N/A .137 in	N/A .149 in	N/A .149 in	N/A 0.157 in
L2 Max.	N/A .127 in	N/A .127 in	N/A .127 in	N/A .127 in	N/A .140 in
T1 Nom.	N/A 0.31 in	N/A 0.31 in	N/A .450 in	N/A .450 in	N/A .450 in
T2 Nom.	N/A .450 in	N/A .450 in	N/A .640 in	N/A .640 in	N/A .640 in
Driver Size	N/A Slotted/#1 Phillips	N/A Slotted/#1 Phillips	N/A Slotted/#2 Phillips	N/A Slotted/#2 Phillips	N/A Slotted/#2 Phillips
Min. Float	N/A .073 in	N/A .073 in	N/A .076 in	N/A .076 in	N/A .076 in
W Nom.	N/A .312 in	N/A .312 in	N/A .344 in	N/A .344 in	N/A .407 in
Thread Specification²	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
Optional Finish³	N/A
CAD View	N/A Unfastened	N/A Fastened	N/A Unfastened	N/A Fastened	N/A Unfastened
CAD Supplier	N/A PennEngineering® (PEM®)
¹ Other shank and screw lengths available. 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 “BL” suffix will be added to part number to designate DuraBlack™ finish.