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SL–0518–2ZI

CLA / SL / PEM RT / SH / SMPS / SMPP / H / HNL Nuts · Unified · PDF page 31 · PEM Fastener Catalogue

CLA / SL / PEM RT / SH / SMPS / SMPP / H / HNL Nuts · Unified · thread .313-18 (5/16-18)

TRI-DENT prevailing torque locknut, Zinc plated per ASTM B633, SC1 (5µm), Type III, Colorless.

Also written as SL-0518-2ZI.

Part number breakdown

SegmentCodeMeaning
TypeSLTRI-DENT prevailing torque locknut
Thread0518Thread size .313-18 (5/16-18)
Shank2—
FinishZIZinc plated per ASTM B633, SC1 (5µm), Type III, Colorless

Dimensions

Defines E, C, A, T. Technical drawing of a self-clinching nut with dimensions in inches. Key Entities and Dimensions: PEM RT® Stamp: Indicated on the top face of the fastener. E: Outside diameter of the fastener. C: Diameter of the pilot/clinching feature. A: Height/thickness of the clinching shank. T: Overall thickness of the nut body. Clinching profile: Note specifies that the profile may vary. Components: Includes a threaded internal hole and a knurled/clinching base for sheet metal installation.Defines E, C, A, T. Entity: PEM TRI-DENT® Locking Feature (self-clinching nut. Dimensions (inches: E: Overall diameter. C: Clinch diameter. A: Shank length/clinch profile depth. T: Overall thickness. Key Features: Clinching profile (may vary. TRI-DENT locking feature identified by triangular markings and "PEM" lettering on the face. Locking feature shape and position may vary.Defines E, C, A, T. The image is a technical drawing of a self-clinching nut, showing top and side-cutaway views with labeled dimensions: E: Overall outer diameter of the flange. C: Diameter of the clinching pilot. A: Height/length of the clinching pilot. T: Thickness of the nut body. Feature: Internal threading and a serrated clinching profile. Note: Clinching profile may vary due to manufacturing procedure.
DimensionValue
Thread Size.313-18 (5/16-18)
TypeSL
Thread Code0518
Shank Code2
A (Shank) Max..087
Min. Sheet Thickness.091
Hole Size In Sheet +.003 −.000.413
C Max..412
E ±.010.500
T ±.010.230
Min. Dist. Hole ℄ To Edge.38

Material and finish

PropertyValue
TypeSL
ThreadsInternal ASME B1.1 2B/ASME B1.13M, 6H; 3 Cycle Locking Performance
Fastener MaterialsHardened Carbon Steel
Standard FinishesZinc Plated, per ASTM B633, SC1 (5µm), Type III, Colorless
For use in Sheet HardnessHRB 80/ HB 150 or less

Source: Material and Finish Specifications · PDF page 33

Performance data

PropertyValue
Thread Code0518
Shank Code2
Prevailing Torque Specifications › Max. Torque (1st thru 3rd) (in. lbs.)53
Prevailing Torque Specifications › Min. Torque (1st thru 3rd) (in. lbs.)4.75
Test Sheet Material › 5052-H34 Aluminum › Installation (lbs.)4000 - 7000
Test Sheet Material › 5052-H34 Aluminum › Pushout (lbs.)380
Test Sheet Material › 5052-H34 Aluminum › Torque-out (in. lbs.)160
Test Sheet Material › Cold-rolled Steel › Installation (lbs.)6000 - 8000
Test Sheet Material › Cold-rolled Steel › Pushout (lbs.)420
Test Sheet Material › Cold-rolled Steel › Torque-out (in. lbs.)180

Source: SL™ Nuts · PDF page 37

Installation tooling

PropertyValue
Thread Code0518
Anvil Dimensions (in.) › A ±.002.515
Anvil Dimensions (in.) › P ±.005.200
Anvil Part Number975200039
Punch Part Number975200048

Source: SL™ Nuts · PDF page 34

Source

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Part number breakdownDimensionsMaterial and finishPerformance dataInstallation toolingSource