ISEO 668GFP 28 mm centre distance 13.5 mm projection security-door lock (006681328PGF4)

Lock and fitting dimensions

Check the backset, centre distance, faceplate and mounting points against the specific model drawing.

Specifications

Series / construction group

668GFP

Locking construction

Deadbolt and latch

Nominal catalogue projection

13.5 mm

Bolt centre distance

28 mm

Drive

Gear drive

Operating component layout

Keyhole at the bottom, handle in the middle, latch at the top

Main deadbolt throw

30 mm

Auxiliary lock

2 locking turns and latch, independently operated

Construction and application

ISEO 668GFP 006681328PGF4 is a security-door lock case with deadbolt and latch, Bolt centre distance 28 mm, Nominal catalogue projection 13.5 mm. Drive: Gear drive; Operating component layout: Keyhole at the bottom, handle in the middle, latch at the top; Auxiliary lock: 2 locking turns and latch, independently operated.

Door and hole compatibility

First check the distance between adjacent bolt axes 28 mm, then check the catalogue projection 13.5 mm and the receiving positions in the frame. Check hole positions and backset omitted from this group description against the complete installation drawing; do not infer them from the order code. Keyhole at the bottom, handle in the middle, latch at the top; even with the same centre distance, another layout may require different door cutouts.

Selection and ordering comparison

This model combines main and auxiliary locks. Selection must account for the two locking operations and lock-case mounting height; matching dimensions do not make it a direct replacement for a single-system lock case.

Limitations

• Bolt centre distance, catalogue projection, throw and backset are different dimensions and must not be used interchangeably.
• Optional catalogue functions are not treated as standard equipment. This page does not guarantee a security rating for the complete door or compatibility on site.
• Confirm keys, cylinder, mounting accessories and packaging with the manufacturer for the complete order configuration.

Sources

Manufacturer documents are provided in their original language.

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