FEX-0428

Miniature Self-Clinching Fasteners – Types U, UL, FE, FEO, FEOX, FEX

FEX-0428

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. Ty

Specifications

Thread Code
0428
Thread Size
.250-28 (1/4-28), 1/4-28
Thread Specification
2B, ANSI B1.1, Internal
Fastener Material
300 Series Stainless Steel
Standard Finish
Passivated and/or tested, Passivated and/or tested per ASTM A380
For Use in Sheet Hardness
HRB 70 / HB 125 or Less
Product Category
Miniature Self-Clinching Fasteners – Types U, UL, FE, FEO, FEOX, FEX
CAD Supplier
PennEngineering® (PEM®)
CADPartID
103692
Thread Type
Non-Locking
Application Type
Automotive Electronics, Consumer Electronics, Datacom, Telecom
Base Panel Material
Aluminum, Steel
Brand
PEM
Fastener Characteristics
Locking, Miniature, Threaded Internal
Industry
Automotive Electronics, Consumer Electronics, Datacom & Telecom
Installation Equipment/Method
C-Frame Automatic Feed, C-Frame Manual Feed
Product Type
Nuts
Technology Type
Self-Clinching
Unit (Metric/Unified)
Unified
A Shank Max
.060in, 0.06in
C + .000 – .005_in
.343in
E ± .005_in
.384in
Hole Size in Sheet + .003 – .000_in
.344in
Max. Hole in Attached Parts_in
.270in
Min. Dist. Hole C/L to Edge_in
.28in
D Max._in
.318in
Sheet Thickness_in
.059 to .070in
T + .015 -.000_in
.120in

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