---
catalog: FAH23R
catalog_name: Architectural Hardware
page: 67
sku_count: 2
skus:
  - "R4SEC"
  - "R4SSEC"
bases:
  - "R4S"
generated_at: "2026-05-21T23:30:01Z"
---

# Architectural Hardware -- Page 67

This page features 1 products:

`R4S`

## Page Content

ARCHITECTURAL HARDWARE GLASS ENTRANCE SYSTEMS
SECTION 1
Patch Hardware
visit fhc-usa.com to search for
or enter the Item Number or scan QR code with  
your smartphone for complete product details
2323 Firestone Blvd. South Gate, CA 90280
Toll Free: (888) 295-4531  |  Direct: (323) 968-2031
Fax: (323) 336-8307  |  fhc-usa.com
61
FHC Advance HERC-DOOR®  4" Square Patch Fittings
4"
U.S. Patent No. 11,187,323 
Unitizing Clamping Gasket
Solid One Piece 
Patch Housing
Innovative Concealed  
Actuation Hardware  
Allows for Uninterrupted  
Hardware Mounting
1/4" Clearance
Standard
3-1/8" Overall Deduction
(Includes 1/4" Standard
Clearance)
2-7/8" Glass Deduction
Cladding Included on Stainless 
Steel and Brass Finishes
PAS Pivot Alignment 
System With Hardware 
Mounting Block Allows 
3/8" Adjustments
Monolithic Tempered 
or Laminated Glass
4" Square HERC-DOOR® 12" Patch Fitting  
for 5/8", 3/4", 11/16" or 13/16" Tempered or Laminated Glass
New Modern 
Crisp Corner Design
Elevation
Top 
HERC-DOOR®  
Patch Fitting
Bottom 
HERC-DOOR® 
Patch Fitting
- CSI Format Specifications are Available for Download at fhc-usa.com
- End Caps are Included With Every HERC-DOOR® Patch
- HERC-DOOR® Patch Fittings With Locks are Supplied Prepped and Installed, 
Keyed Cylinders, and Thumbturns are Sold Separately
- FHC Follows GANA Guidelines for Maximum Door Height and Widths. 
Reference the FHC HERC-DOOR® Sizing Guidelines.
- For Replacement End Caps, visit fhc-usa.com and search for Item No. R4SEC
for Standard End Cap and Item No. R4SSEC for the Split End Cap.
PRODUCT INFO/SPECIFICATIONS:
CUSTOM LENGTH AND/OR FINISH (*) 4" SQUARE HERC-DOOR® PATCH FITTING - MANUFACTURED TO CUSTOMER SPECIFICATION
FOR 5/8" & 11/16" GLASS 
WITHOUT LOCK  
ITEM NO.
FOR 5/8" & 11/16" GLASS 
WITH LOCK  
ITEM NO.
FOR 3/4" & 13/16" GLASS 
WITHOUT LOCK  
ITEM NO.
FOR 3/4" & 13/16" GLASS 
WITH LOCK  
ITEM NO.
PR4S58XXC
PR4S58XXLC
PR4S34XXC
PR4S34XXLC
4" SQUARE HERC-DOOR® PATCH FITTING 12" LENGTH - STOCK PRODUCTS READY TO SHIP
FOR 5/8" & 11/16" GLASS 
WITHOUT LOCK  
ITEM NO.
FOR 5/8" & 11/16" GLASS 
WITH LOCK  
ITEM NO.
FOR 3/4" & 13/16" GLASS 
WITHOUT LOCK  
ITEM NO.
FOR 3/4" & 13/16" GLASS 
WITH LOCK  
ITEM NO.
PR4S58XX
PR4S58XXL
PR4S34XX
PR4S34XXL
XX Denotes Finish.
New Innovative Built-In 
Anti-Clamshell Pad
Prevents Chipped Glass 
Corners During Installation
Chat With Us!
Chat With FHC On Our Website  
to Get Real Time Expert Support 
from Knowledgeable Reps
Each HERC-DOOR® 
Patch is Factory Designed 
to Allow for Vertical 
Adjustment of Plus 
1/16" or Minus 1/16" 
With the Setting 
Blocks Included.
U.S. Patent No. 11,060,341 
Dual-Inclined Bearing  
Surface Controls  
Angularity and Self  
Centering of the Patch
U.S. Patent Nos. 11,060,341 and 11,187,323