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  • Shoulder on retainer provides positive stop during installation.
  • Available in self-clinching, flaring, or floating mounting styles.
  • Available with knurled or un-knurled metal cap, black metal cap, or a custom color plastic cap.
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Large knob, spring-loaded – PF11, PF11M, PF11MF, PF11MW, PF12, PF12M, PF12MF, PEM C.A.P.S, PF12MW

Large knob, spring-loaded – Types PF11 and PF12 - Unified
Large knob, spring-loaded – PF11, PF11M, PF11MF, PF11MW, PF12, PF12M, PF12MF, PEM C.A.P.S, PF12MW

Large knob, spring-loaded – Types PF11 and PF12 - Unified
Large knob, spring-loaded – PF11, PF11M, PF11MF, PF11MW, PF12, PF12M, PF12MF, PEM C.A.P.S, PF12MW

Large knob, spring-loaded – Types PF11 and PF12 - Unified
Large knob, spring-loaded – PF11, PF11M, PF11MF, PF11MW, PF12, PF12M, PF12MF, PEM C.A.P.S, PF12MW

Large knob, spring-loaded – Types PF11 and PF12 - Unified
Large knob, spring-loaded – PF11, PF11M, PF11MF, PF11MW, PF12, PF12M, PF12MF, PEM C.A.P.S, PF12MW

Large knob, spring-loaded – Types PF11 and PF12 - Unified
Thread Size N/A .190-32 (#10-32)
Type N/A Knurled Cap - PF11
Thread Code N/A 032
Screw Length Code N/A 0 N/A 0 N/A 0 N/A 0 N/A 1
A (Shank) Max.
N/A .036 in PF_PF11_12_dimension.jpg
Min. Sheet Thickness N/A .036 in
Hole Size in Sheet + 0.003 - 0.000 N/A .312 in
C Max. N/A .311 in
E ± .010 N/A .514 in
G ± .025 N/A .230 in N/A .230 in N/A .230 in N/A .230 in N/A .290 in
P ± .025 N/A .000 in N/A .000 in N/A .000 in N/A .000 in N/A .060 in
T1 Nom. N/A .450 in
T2 Nom. N/A .640 in
Driver Size N/A Slotted/#2 Phillips
Min. Dist. Hole C/L to Edge N/A .330 in
Standard Finish N/A Knob - Natural Finish
Retainer - Bright nickel over copper flash per ASTM B689
Screw - Passivated and/or tested per ASTM A380
Spring - Natural Finish 		N/A Knob - Natural Finish
Retainer - Bright nickel over copper flash per ASTM B689
Screw - Passivated and/or tested per ASTM A380
Spring - Natural Finish 		N/A Knob - Black Anodize
Retainer - Bright nickel over copper flash per ASTM B689
Screw - Black nitride, AMS2753, Section 3
Spring - Natural Finish 		N/A Knob - Black Anodize
Retainer - Bright nickel over copper flash per ASTM B689
Screw - Black nitride, AMS2753, Section 3
Spring - Natural Finish 		N/A Knob - Natural Finish
Retainer - Bright nickel over copper flash per ASTM B689
Screw - Passivated and/or tested per ASTM A380
Spring - Natural Finish
CAD View N/A Unfastened N/A Fastened N/A Unfastened N/A Fastened N/A Unfastened
Thread Specification1 N/A ANSI B1.1, 2A
Material Knob N/A Aluminum
Material Retainer N/A Heat-Treated Carbon Steel
Material Screw N/A 400 Series Stainless Steel
Material Spring N/A 300 Series Stainless Steel
Finish Knob N/A Natural Finish
Finish Retainer N/A Bright Nickel over Copper Flash per ASTM B689
Finish Screw N/A Passivated and/or tested per ASTM A380
Finish Spring N/A Natural Finish
For Use in Sheet Hardness N/A HRB 80 or Less (Hardness Rockwell “B” Scale) / HB 150 or Less (Hardness Brinell)
Optional Finish2 N/A N/A N/A Knob (aluminum) – Black Anodize
Screw (steel and stainless) – Black Nitride 		N/A Knob (aluminum) – Black Anodize
Screw (steel and stainless) – Black Nitride 		N/A
CAD Supplier N/A 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 “BL” suffix will be added to part number to designate DuraBlack™ finish.