- For 3/8" or 1/2" (10 or 12 mm) glass
- 2-3/4" (70 mm) pivot setback — ideal for commercial glass door installations
- For use with overhead concealed door closers
- Use monolithic tempered glass (not for laminated glass)
The
CRL Top Door Patch Fitting (SKU: PH20BSB) includes the
1NT304 insert for use with our
overhead concealed door closers that accept a 9/16" (14 mm) square, 3/4" (19 mm) long spindle. Finished covers are available in five standard finishes. Supplied gaskets permit use with either 3/8" or 1/2" (10 or 12 mm) glass.
Glass fabrication required: one 3/4" (19 mm) diameter hole and corner notch.
Product warning:
These fittings are not for use with laminated glass. When using this hardware with 1/2" glass, follow these limits for safe operation:
Maximum height: 102" (2.59 m)
Maximum weight: 194 lbs. (80 kg)
Maximum width: 42" (1.09 m)
If the door exceeds any of these limitations, full door rails should be used.
Most shipping weights are approximate and have not been verified. If the exact weight is needed to determine shipping costs, please request this prior to submitting your order by contacting CRL Customer Service. Product images are of the actual product or a close representation; colors may vary with monitor settings.
Brass finish advisory:
Although durable, brass is prone to oxidation and may develop a tarnished appearance over time. For care and maintenance details, see the Brass Finish Disclaimer in the Technical References section.
Key differentiators: Designed for overhead concealed closers, compatible with 3/8"–1/2" monolithic tempered glass, five finish options, and precision 70 mm pivot setback for reliable commercial-grade performance.
Contact CRL Customer Service