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Low-profile design satisfies many functional and cosmetic requirements.
Convenient, large, slotted head for tool or finger operation.

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Items	PF30-440-30CN Captive Panel Screw-Low Profile Knob, Spring-loaded PF30, PF31, PF32 - Unified Add To Cart Request Quote	PF31-440-30CN Captive Panel Screw-Low Profile Knob, Spring-loaded PF30, PF31, PF32 - Unified Add To Cart Request Quote	PF32-440-30CN Captive Panel Screw-Low Profile Knob, Spring-loaded PF30, PF31, PF32 - Unified Add To Cart Request Quote	PF30-632-30CN Captive Panel Screw-Low Profile Knob, Spring-loaded PF30, PF31, PF32 - Unified Add To Cart Request Quote	PF31-632-30CN Captive Panel Screw-Low Profile Knob, Spring-loaded PF30, PF31, PF32 - Unified Add To Cart Request Quote
Thread Size	N/A .112-40 (#4-40)	N/A .112-40 (#4-40)	N/A .112-40 (#4-40)	N/A .138-32 (#6-32)	N/A .138-32 (#6-32)
Type	N/A PF30	N/A PF31	N/A PF32	N/A PF30	N/A PF31
Thread Code	N/A 440	N/A 440	N/A 440	N/A 632	N/A 632
Screw Length Code	N/A 30
A (Shank) Max.	N/A .030 in	N/A 0.038 in	N/A .058 in	N/A .030 in	N/A 0.038 in
Min. Sheet Thickness	N/A .030 in	N/A .040 in	N/A .060 in	N/A .030 in	N/A .040 in
Hole Size in Sheet + 0.003 - 0.000	N/A .203 in	N/A .203 in	N/A .203 in	N/A .219 in	N/A .219 in
C Max.	N/A .202 in	N/A .202 in	N/A .202 in	N/A .218 in	N/A .218 in
E ± .010	N/A .406 in	N/A .406 in	N/A .406 in	N/A .438 in	N/A .438 in
G ± .015	N/A .300 in
H ± .005	N/A .202 in
T1 Max.	N/A .325 in
T2 Nom.	N/A .595 in
Min. Dist. Hole C/L to Edge¹	N/A .260 in	N/A .260 in	N/A .260 in	N/A .28 in	N/A .28 in
Thread Specification²	N/A ANSI B1.1, 2A
Material Retainer	N/A Carbon Steel
Material Screw	N/A Heat-Treated Carbon Steel	N/A Heat-Treated Carbon Steel	N/A Heat-Treated Carbon Steel	N/A Carbon Steel	N/A Carbon Steel
Material Spring	N/A 300 Series Stainless Steel
Finish Retainer	N/A Bright Nickel over Copper Flash per ASTM B689
Finish Screw	N/A Bright nickel over copper flash per ASTM B689
Finish Spring	N/A Natural Finish
Optional Finish³	N/A
For Use in Sheet Hardness	N/A HRB 60 or Less (Hardness Rockwell “B” Scale) HB 107 or Less (Hardness Brinell)
CAD View	N/A Unfastened
CAD Supplier	N/A PennEngineering® (PEM®)
Inventory	N/A {0}	N/A {0}	N/A {0}	N/A {0}	N/A {0}
¹ To minimize sheet distortion and maximize product performance, use a centerline-to-edge value greater or equal to the value specified. 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.

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