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® PEMFLEX® self-locking, self-clinching fasteners retain their repeated use and effective prevailing locking torque.
  • Shoulder provides increased performance.
  • Flexing action permits repeated use and effective locking torque.
  • Flange provides positive stop during installation.
The thread locking performance of Types LK, LKA, and LKS PEMHEX self-clinching fasteners (with MD finish) is equivalent to applicable NASM25027 specifications. The self-clinching feature is the same tried and proven designmore
Unit of Measure

Specifications

Thread Size x Pitch

 M2.5 x 0.45

A (Shank) Max.

 0.97 mm a1093.jpg

Min. Sheet Thickness

 1.0 mm

Hole Size in Sheet + 0.08

 4.37 mm

C Max.

 4.35 mm

D Max.

 4.45 mm

E Nom.

 6.35 mm

T ± 0.25

 3.43 mm

Min. Dist. Hole C/L to Edge

 3.9 mm
For Use in Sheet Hardness1 HRB 50 / HB 82 or less

Thread Specification

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

Fastener Material

 7075-T6 Aluminum

Standard Finish

 Plain

Anvil Dia.

 13.00 mm

Anvil Depth

 5.50 mm

Breaker Corner

 0.13 mm

Punch Dia.

 13.00 mm

CAD Supplier

 PennEngineering® (PEM®)
  • 1 HRB - Hardness Rockwell “B” Scale. HB - Hardness Brinell.