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 .047 to .053 in
Panel 1 (Bottom) Mounting Hole B + .003 - .000	N/A .395 in
Panel 2 (Top) Sheet Thickness Max.	N/A .089 in
Panel 2 (Top) Mounting Hole A1 Nom.	N/A .100 in
Panel 2 (Top) Mounting Hole A2 ± .003	N/A .201 in
Panel 2 (Top) Mounting Hole A3 ± .003	N/A .374 in
Panel 2 (Top) Mounting Hole A4 Min.	N/A .280 in
Panel 1 (Bottom) Sheet Hardness Max.¹	N/A HRB 80 / HB 150
Panel 2 (Top) Material	N/A Any
A Max.	N/A .047 in
B ± .003	N/A .354 in
C Max.	N/A .394 in
D Anvil Hole + .003 - .000	N/A .360 in
H ± .010	N/A .492 in
M Max.	N/A .236 in
N ± .003	N/A .181 in
S ± .003	N/A .098 in
T ± .005	N/A .049 in
Panel 1 (Bottom) Edge Distance C1 Min.	N/A .394 in
Panel 1 (Bottom) Location Tolerance Max.	N/A ±.005 in
Panel 2 (Top) Edge Distance C2 Min.	N/A .295 in
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