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Online literature contains the most current information available.
Surface mount ReelFast® microPEM® (Type SMTSO™) fasteners for compact electronic assemblies attach to P.C. Boards for nut/standoff applications. These fasteners mount on P.C. Boards in the same manner and at the same time as other surface mount components prior to the automated refl ow solder process. The fasteners simply become another board component.

Features and Benefits
  • Hex shaped barrel provides larger solder area.
  • Provided on tape and reel.
  • Reduces board handling.
  • Smallest thread size: M1 / #0-80.
  • Minimum sheet thickness 0.5 mm / .020".
  • RoHS compliant.
Unit of Measure

Thread Size x Pitch

N/A S1.2

Thread Code

N/A M1.2

Length Code

N/A 2

L - Length ± 0.13

N/A 2 mm a1309.jpg

Min. Sheet Thickness

N/A 0.50 mm

A Max.

N/A 0.48 mm

C Max.

N/A 2.41 mm

E ± 0.13

N/A 3.66 mm

øH - Hole Size in Sheet + 0.08

N/A 2.50 mm

øD - Min. Solder Pad

N/A 4.19 mm

Parts per Reel

N/A 2500


N/A 8.00 mm
For Use in Sheet Hardness1 N/A Not Applicable

Thread Specification

N/A Miniature ISO 1501, 4H6

Fastener Material

N/A Carbon Steel

Standard Finish

N/A Electro-Plated Tin, ASTM B545, Class A with Clear Preservative Coating, Annealed

CAD Supplier

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