Type SMTSOB™ - ReelFast® brass fasteners are ideal for applications which demand superior electrical/mechanical attachment points.

Packaged on 330 mm recyclable reels. Tape width is 24 mm. Supplied with polyimide patch for vacuum pick up. Reels conform to EIA-481.
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Unit of Measure

Thread Size x Pitch

 M2.5 x 0.45

Thread Code

 M25

Length Code

 4

L - Length ± 0.13

 4 mm
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Min. Sheet Thickness

 1.53 mm

A Max.

 1.53 mm

C Max.

 4.09 mm

E ± 0.13

 5.56 mm

øH - Hole Size in Sheet + 0.08

 4.22 mm

øD - Min. Solder Pad

 6.2 mm
Parts per Reel1 900

Pitch

 12 mm

For Use In

 P.C. Board

Thread Specification

 Internal, ASME B1.13M, 6H

Fastener Material

 Brass
Standard Finish2 Electro-Plated Tin, ASTM B 545, Class A with Clear Preservative Coating, annealed

CAD Supplier

 PennEngineering® (PEM®)
  • 1 Packaged on 13" recyclable reels. Tape width is 24mm and 16mm. Pitch is 16mm and 12mm. Reels conform to EIA-481.
  • 2 The tin deposit on type SMTSOB meets the requirements of ASTM B545, Class A and although the copper and nickel barrier layers used under the tin do not strictly comply with ASTM B545 thickness requirements they have proven effective at preventing zinc mig