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

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. Type UL self-locking nuts meet locking torque requirements specified herein. Some sizes of FE, FEO, and UL can be ordered to NASM45938/7 specifications. Types FEX, FEOX and U have free-running class 2B/6H threads.

PEM miniature fasteners provide immediate visualmore

Unit of Measure

Specifications

Thread Size x Pitch	N/A M3 x 0.5
Thread Type	N/A Self-Locking
Thread Code	N/A M3
A (Shank) Max.	N/A 1.020 mm
Sheet Thickness¹	N/A 0.99 to 1.14 mm
Hole Size in Sheet + 0.08	N/A 4.39 mm
C - 0.13	N/A 4.37 mm
D Max.	N/A 3.96 mm
E ± 0.13	N/A 4.88 mm
T + 0.4	N/A 1.90 mm
Min. Dist. Hole C/L to Edge²	N/A 3.6 mm
Max. Hole in Attached Parts	N/A 3.50 mm
For Use in Sheet Hardness³	N/A HRB 70 / HB 125 or Less
Thread Specification	N/A Internal, ANSI B1.21M, MJ 4H6H 4H5H (M6 thread)
Fastener Material	N/A 300 Series Stainless Steel
Standard Finish	N/A Black, Dry-film Lubricant
CAD Supplier	N/A PennEngineering® (PEM®)
Inventory	N/A

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
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.

Specifications

Thread Size x Pitch

Thread Type

Thread Code

A (Shank) Max.

Hole Size in Sheet + 0.08

C - 0.13

D Max.

E ± 0.13

T + 0.4

Max. Hole in Attached Parts

Thread Specification

Fastener Material

Standard Finish

CAD Supplier

Inventory