Part # HSKS-R2.5-4.0-ZI, SELF-CLINCHING KEYHOLE® FASTENERS - HSKS-R™

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	All Categories SELF-CLINCHING KEYHOLE® FASTENERS - HSKS-R™ - Unified


All Categories > PEM® Brand Fasteners for Metal Sheets and Panels > Sheet-to-Sheet Attachment > Panel to Panel, KEYHOLE® Style – Types TSKS-R, TSKC-R, TSK4-R, HSKS-R, HSKC-R, HSK4-R > Panel to Panel, KEYHOLE® Style – Types HSKS-R > SELF-CLINCHING KEYHOLE® FASTENERS - HSKS-R™ - Unified > Part # HSKS-R2.5-4.0-ZI

Part # HSKS-R2.5-4.0-ZI, SELF-CLINCHING KEYHOLE® FASTENERS - HSKS-R™ - Unified

PEM® KEYHOLE® Standoffs and sheet joining fasteners are designed so that a PC board or panel can be quickly slipped into place and then removed from an assembly by simply sliding the board sideways and lifting it off. These standoffs and fasteners can save valuable time and dramatically reduce the amount of loose hardware required.

Type SKS-R™ fasteners are designed so that two sheets can be quickly joined flat against each other. Typically, several fasteners are used with one standard PEM® threaded F™ flush nut which accepts a screw to secure the sheets against any unwanted movement.

Allow detachable spacing of two sheets
Clinch feature mounts fastener permanently and flush or sub-flush into metal sheet
Unique barrel design allows for quick “panel-on-panel” attachment and detachment
Can be clinched into blind hole where concealed head is required
Makes horizontal or vertical component mounting possible
SKS-R™ fasteners are designed to provide high side-load in verticle component mounting applications
SKS-R™ fasteners are available for various top sheet thicknesses and hole sizes

Panel to Panel, KEYHOLE® Style – Type SKS-R

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Specifications

Panel 1 (Bottom) Thickness Range

.047 to .055 in

Panel 1 (Bottom) Mounting Hole B + .003 - .000

.316 in

Panel 2 (Top) Sheet Thickness Max.

.100 in

Panel 2 (Top) Mounting Hole A1 Nom.

.089 in

Panel 2 (Top) Mounting Hole A2 ± .003

.177 in

Panel 2 (Top) Mounting Hole A3 ± .003

.276 in

Panel 2 (Top) Mounting Hole A4 Min.

.217 in

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Panel 1 (Bottom) Sheet Hardness Max.¹

HRB 80 / HB 150

Panel 2 (Top) Material

Any

A Max.

.047 in

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B ± .003

.256 in

C Max.

.315 in

D Anvil Hole + .003 - .000

.262 in

H Nom.

.354 in

M Max.

.198 in

N ± .003

.157 in

S ± .003

.155 in

Panel 1 (Bottom) Edge Distance C1 Min.

.315 in

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Panel 1 (Bottom) Location Tolerance Max.

±.005 in

Panel 2 (Top) Edge Distance C2 Min.

.240 in

Standard Material

Hardened Steel

Standard Finish²

Zinc Plated per ASTM B633, SC1 (5um) Type III, Colorless

CAD Supplier

PennEngineering® (PEM®)

¹ HRB - Hardness Rockwell “B” Scale. HB - Hardness Brinell.
² See PEM Technical Support section of our web site for related plating standards and specifications.