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Tel 800.466.1940
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Type CFN broaching fasteners are available for thinner sheet, close-to-edge applications. The locking element provides prevailing torque to eliminate loosening of mating threaded hardware.
Unit of Measure

Thread Size

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

Thread Code

 N/A 440
Shank Code1 N/A 1

A (Shank) ± .003

 N/A .040 in Nylon-Insert-Self-Locking-Fasteners---Types-CFN-2.jpg

Min. Sheet Thickness

 N/A .043 in

Hole Size in Sheet + .003 - .000

 N/A .152 in

C ± .002

 N/A .162 in

D ± .004

 N/A .175 in

E + .001 - .004

 N/A .203 in

T Max.

 N/A .104 in
Min. Dist. Hole C/L to Edge2 N/A .115 in

Max. Temperature Limit

 N/A 250 ºF120 ºC

Fastener Materials - Locking Element

 N/A Blue Nylon
For Use in Sheet Hardness3 N/A HRB 60 / HB 107 or Less

Thread Specification

 N/A Internal, ANSI B1.1, 2B

Fastener Material

 N/A Carbon Steel
Optional Finish4 N/A Zinc plated per ASTM B633, SC1 (5µm), Type II, yellow

CAD Supplier

 N/A PennEngineering® (PEM®)

Inventory

 N/A {0}
  • 1 Other shank and screw lengths available.
  • 2 To minimize sheet distortion and maximize product performance, use a centerline-to-edge value greater or equal to the value specified.
  • 3 HRB - Hardness Rockwell “B” Scale. HB - Hardness Brinell.
  • 4 “BL” suffix will be added to part number to designate DuraBlack™ finish.