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  • Fully concealed-head for tool only access.
  • UL approved.
  • Assorted screw lengths for most applications.
Unit of Measure

Thread Size

 N/A .250-20 (1/4-20)

Type

 N/A PFC2P

Thread Code

 N/A 0420

Screw Length Code

 N/A 82

A (Shank) Max.

 N/A .060 in a1109_1.jpg

Min. Sheet Thickness

 N/A .060 in

Hole Size in Sheet + 0.003 - 0.000

 N/A .413 in

C Max.

 N/A .412 in

E ± .010

 N/A .468 in

G ± .016

 N/A .500 in

P ± .025

 N/A .125 in

T1 Max.

 N/A .620 in

T2 Nom.

 N/A .905 in

Driver Size

 N/A #3 Phillips a1110_1.jpg
Min. Dist. Hole C/L to Edge1 N/A .38 in

Thread Specification

 N/A ANSI B1.1, 2A
Material Retainer2 N/A 300 Series Stainless Steel

Material Screw

 N/A 400 Series Stainless Steel

Material Spring

 N/A 300 Series Stainless Steel

Finish Retainer

 N/A Passivated and/or tested per ASTM A380

Finish Screw

 N/A Passivated and/or tested per ASTM A380

Finish Spring

 N/A Natural Finish
Optional Finish3 N/A Retainer – BN – Black Nitride
Screw – BN – Black nitride

For Use in Sheet Hardness

 N/A HRB 70 or Less (Hardness Rockwell “B” Scale) / HB 125 or Less (Hardness Brinell)

CAD View

 N/A Fastened

CAD Supplier

 N/A PennEngineering® (PEM®)
  • 1 To minimize sheet distortion and maximize product performance, use a centerline-to-edge value greater or equal to the value specified.
  • 2 The blue plastic retaining rings are a PEM trademark. The temperature limit is 200° F / 93° C.
  • 3 “BL” suffix will be added to part number to designate DuraBlack™ finish.