Part # HHSKS-R2.2-4.6-ZI, KEYHOLE® HEAVY-HEAD FASTENERS - HHSKS-R™

HHSKS-R™ Heavy-head fasteners are designed so that two sheets can be quickly joined flat against each other.

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

Unit of Measure

Panel 1 (Bottom) Thickness Range	N/A 1.2 to 1.35 mm
Panel 1 (Bottom) Mounting Hole B + 0.08	N/A 10.02 mm
Panel 2 (Top) Sheet Thickness Max.	N/A 2.25 mm
Panel 2 (Top) Mounting Hole A1 Nom.	N/A 2.55 mm
Panel 2 (Top) Mounting Hole A2 ± 0.08	N/A 5.1 mm
Panel 2 (Top) Mounting Hole A3 ± 0.08	N/A 9.5 mm
Panel 2 (Top) Mounting Hole A4 Min.	N/A 7.1 mm
Panel 1 (Bottom) Sheet Hardness Max.¹	N/A HRB 80 / HB 150
Panel 2 (Top) Material	N/A Any
A Max.	N/A 1.20 mm
B ± 0.08	N/A 9 mm
C Max.	N/A 10 mm
D Anvil Hole + 0.08	N/A 9.15 mm
H ± 0.25	N/A 12.5 mm
M Max.	N/A 6 mm
N ± 0.08	N/A 4.6 mm
S ± 0.08	N/A 2.5 mm
T ± .13	N/A 1.25 mm
Panel 1 (Bottom) Edge Distance C1 Min.	N/A 10.0 mm
Panel 1 (Bottom) Location Tolerance Max.	N/A ±.130 mm
Panel 2 (Top) Edge Distance C2 Min.	N/A 7.5 mm
Standard Material	N/A Hardened Steel
Standard Finish²	N/A Zinc Plated per ASTM B633, SC1 (5um) Type III, Colorless
CAD Supplier	N/A 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.

Panel 1 (Bottom) Thickness Range