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SKU: 29707 | MPN: SMTSOB-M4-8ET
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ManufacturerPenn Engineering
Manufacturer's Part NumberSMTSOB-M4-8ET
DescriptionSMTSOB-M4-8ET ReelFast® microPEM® Surface Mount Nuts / Standoffs
Thread SizeM4 x 0.7
Length8 mm ±0.13 mm
Material SpecificationBrass
Finish SpecificationElectro-Plated Tin, ASTM B545, Class A with Clear Preservative Coating, Annealed
Min. Sheet Thickness1.53 mm
For Use In Sheet HardnessNot Applicable
Thread SpecificationInternal, ASME B1.13M, 6H
A1.53 mm Max.
C6.22 mm Max.
E8.74 mm ± 0.13 mm
Hole Size in Sheet6.35 mm +0.08
øD - Min. Solder Pad9.37 mm
Parts Per Reel375
Reel Pitch16 mm
Reel Size330 mm
Tape Width24 mm
Reel StandardConform to EIA-481
Special NoteSMTSOB fasteners with this length have a shank counterbore
Special Note 1The 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 migration and providing the specified solderable shelf life.