PennEngineering
PennEngineering
Corporate Headquarters – Danboro, PA
5190 Old Easton Rd.
Danboro, PA 18916
Phone: 215-766-8853
Toll-Free Phone: 1-800-237-4736 (U.S. only)
Email: info@pemnet.com
Website: www.pemnet.com
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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
Unit of Measure

Specifications

Thread Size x Pitch

 M3 x 0.5

Thread Type

 Non-Locking

Thread Code

 M3

A (Shank) Max.

 1.53 mm a1387.jpg
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.