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PennEngineering
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 - Metric > Part # FEX-M3  

Part # FEX-M3, Miniature Self-Clinching Fasteners - Types U, UL, FE, FEO, FEOX, FEX - Metric

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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 x Pitch
M3 x 0.5

Thread Type
Non-Locking

Thread Code
M3

A (Shank) Max.

 View
1.53 mm

Sheet Thickness1
1.50 to 1.78 mm

Hole Size in Sheet + 0.08
4.39 mm

C - 0.13
4.37 mm

D Max.
3.96 mm

E ± 0.13
4.88 mm

T + 0.4
1.90 mm

Min. Dist. Hole C/L to Edge
3.6 mm

Max. Hole in Attached Parts
3.5 mm

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

Thread Specification
Internal, ANSI / ASME B1.13M, 6H

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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