PEMPEM Fastener Catalogue

CLS–348–2

S / SS / CLS / CLSS / SP Self-Clinching Nuts · Unified · PDF page 28 · PEM Fastener Catalogue

S / SS / CLS / CLSS / SP Self-Clinching Nuts · Unified · thread .099-48 (#3-48)

300 series stainless, Passivated and/or tested per ASTM A380.

Also written as CLS-348-2.

Part number breakdown

SegmentCodeMeaning
TypeCLS300 series stainless
Thread348Thread size .099-48 (#3-48)
Shank2

Dimensions

Defines E, C, A, T. Technical diagram of a clinch nut with two views: Left (Plan View: Top-down view showing a circular nut with a serrated/knurled clinching profile. E: Overall diameter. Right (Section View: Side cross-section showing internal threading and profile. C: Diameter of the clinching feature. A: Depth of the clinching pilot. T: Thickness of the nut body. Note: "(Clinching profile may vary" indicating potential manufacturing differences.
DimensionValue
Thread Size.099-48 (#3-48)
Type (Fastener Material) › Stainless SteelCLS
Thread Code348
Shank Code2
A (Shank) Max..054
Rec. Min. Sheet Thickness.056
Hole Size In Sheet +.003 −.000.166
C Max..165
E ±.010.250
T ±.010.070
Min. Dist. Hole ℄ To Edge.19

Material and finish

PropertyValue
TypeCLS
ThreadsInternal ASME B1.1 2B/ASME B1.13M, 6H
Fastener Materials300 Series Stainless Steel
Standard FinishesPassivated and/or Tested per ASTM A380
For use in Sheet HardnessHRB 70/ HB 125 or less

Source: Material and Finish Specifications · PDF page 33

Performance data

TypeThread CodeShank CodeTest Sheet MaterialInstallation (lbs.)Pushout (lbs.)Torque-out (in. lbs.)
S / CLS256 / 348 / 44025052-H34 Aluminum1500-200017013
S / CLS256 / 348 / 4402Cold-rolled Steel2500-350023018

Source: S™/CLS™/CLSS™ Nuts · PDF page 36

Source

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