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Unit of Measure

Thread Size

 N/A .112-40 (#4-40)

Type

 N/A PFK

Thread Code

 N/A 440

Screw Length Code

 N/A 40

A (Shank) Max.

 N/A .060 in a1278_1.jpg

Min. Sheet Thickness

 N/A .060 in

Hole Size in Sheet + 0.003 - 0.000

 N/A .265 in

C ± .003

 N/A .283 in

E ± .010

 N/A .312 in

G ± .016

 N/A .250 in

H ± .005

 N/A .072 in

P ± .025

 N/A .000 in

T1 Max.

 N/A .360 in

T2 Nom.

 N/A .540 in
Min. Dist. Hole C/L to Edge1 N/A .20 in

Thread Specification

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

Material Screw

 N/A 300 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

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.