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 All Categories    KEYHOLE® Sheet Joining Fasteners Type SK4-F™ - Unified
PennEngineering
All Categories > PEM® Brand Fasteners for Metal Sheets and Panels > Sheet-to-Sheet Attachment > Panel to Panel, KEYHOLE® Style – Types SKC-F, SK4-F, SKS-R, SKC-R, , SKC-R > Panel to Panel, KEYHOLE® Style – Type SK4-F > Part # SK4-F1.5  

Part # SK4-F1.5, KEYHOLE® Sheet Joining Fasteners Type SK4-F™ - Unified


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SK4-F™ 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 (PEM® Bulletin F) 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
  • SK4-F™ fasteners are now available for installation into stainless steel sheets





 Specifications   

Panel 1 (Bottom) Sheet Thickness Min.

.039 in

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

.213 in

Panel 2 (Top) Thickness Range

.057 to .064 in

Panel 2 (Top) Mounting Hole A1 Nom.

.059 in

Panel 2 (Top) Mounting Hole A2 ± .003

.118 in

Panel 2 (Top) Mounting Hole A3 ± .003

.197 in

Panel 2 (Top) Mounting Hole A4 Min.

.148 in

Panel 1 (Bottom) Sheet Hardness Max.1

HRB 70 / HB 125

Panel 2 (Top) Material

Any

A Max.

View
.039 in

B ± .003

.177 in

C Max.

.212 in

D Anvil Hole + .003 - .000

.184 in

H Nom.

.237 in

M Max.

.108 in

N ± .003

.099 in

S ± .003

.068 in

Panel 1 (Bottom) Edge Distance C1 Min.

.150 in

Panel 1 (Bottom) Location Tolerance Max.

±.005 in

Panel 2 (Top) Edge Distance C2 Min.

.160 in

Standard Material

400 Series Stainless Steel

Standard Finish

Passivated and/or tested per ASTM A380

CAD Supplier

PennEngineering® (PEM®)
1 HRB - Hardness Rockwell “B” Scale. HB - Hardness Brinell.



 DOWNLOADS 

PEMSERTER® Tooling Selector

PEM Bulletin SK


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