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All Categories > PEM® Brand Fasteners for Metal Sheets and Panels > Nuts for Sheet Metal > Miniature Nuts – Types FE, FEO, FEOX, FEX, U, UL > Miniature Self-Clinching Fasteners - Types U, UL, FE, FEO, FEOX, FEX - Unified > Part # FEOX-440  

Part # FEOX-440, Miniature Self-Clinching Fasteners - Types U, UL, FE, FEO, FEOX, FEX - Unified

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PEM® brand miniature fasteners fit into a minimal space and provide strong, reusable threads.

Types FE, FEO and UL are self-locking. Types FE and FEO thread locking torque performance is equivalent to applicable NASM25027 specifications. Ty




 Specifications   

Thread Size
.112-40 (#4-40)

Thread Type
Non-Locking

Thread Code
440

A (Shank) Max.

 View
.040 in

Sheet Thickness1
.039 to .045 in

Hole Size in Sheet + .003 - .000
.172 in

C + .000 - .005
.171 in

D Max.
.145 in

E ± .005
.192 in

T + .015 -.000
.065 in

Min. Dist. Hole C/L to Edge
.14 in

Max. Hole in Attached Parts
.132 in

For Use in Sheet Hardness2
HRB 70 / HB 125 or Less

Thread Specification
Internal, ANSI B1.1, 2B

Fastener Material
300 Series Stainless Steel

Standard Finish
Passivated and/or tested per ASTM A380

CAD Supplier
PennEngineering® (PEM®)
1 In applications between the sheet thicknesses for your thread size, see last paragraph of installation data on page FE-6. Knurled collar may fracture if fastener is used in sheets thicker than the specified range and the screw is tightened beyond maximum tightening torque.
2 HRB - Hardness Rockwell “B” Scale. HB - Hardness Brinell.


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·  FE_Installed



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PEMSERTER® Tooling Selector

PEM Bulletin FE


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