Mortise lock JNF IN.20.792.50 cylinder E 50 mm

The mortise lock JNF IN.20.792.50 cylinder E 50 mm comes from the renowned European manufacturer JNF® and is designed for doors in intensive use. Its robust construction and precise mechanism ensure reliable, long-lasting operation.

The lock is made of quality stainless steel EN 1.4301 (AISI 304), which resists rust and wear, so it keeps its appearance and function even in daily use; the faceplate and the bolt are stainless steel, while the reversible latch is zinc alloy. The finish is matt (satin) and the version has a latch bolt and a hole for a European profile cylinder (PZ).

The latch retraction function opens the door without a handle, by an extra turn of the key. The latch is easily reversed, so the same lock suits both left and right hand doors. The lock is not suitable for use with an electric strike.

The depth from the faceplate to the centre of the handle or cylinder is 50 mm, the distance between the centre of the handle and the centre of the cylinder is 85 mm, and the total depth of the lock is 88 mm. The lock is supplied with a strike plate and mounting screws.

Product description

• Material: stainless steel EN 1.4301 (AISI 304) – faceplate and bolt; latch: zinc alloy
• Colour and finish: stainless steel, matt (satin)
• Manufacturer: JNF®
• Version: mortise lock with latch bolt and hole for a European profile cylinder (PZ)
• Area of use: doors in intensive use

Technical specifications

• Backset – depth to the cylinder/key axis: 50 mm
• Standard – distance from the handle spindle: cylinder 85 mm
• Spindle thickness: 8 mm
• Faceplate width: 21.5 mm
• Faceplate length: 240 mm
• Total lock depth: 88 mm
• Hole: European profile cylinder (PZ)
• Function: latch retraction – opening without a handle by an extra turn of the key

Application and use

• For doors in intensive use
• Universal for left and right hand doors thanks to the reversible latch
• Locking with a European profile cylinder (PZ)
• Not suitable for use with an electric strike

Package contents

• 1 × mortise lock JNF IN.20.792.50
• Strike plate
• Mounting screws

Detailed specifications of the JNF IN.20.792.50 lock (PDF)

Dimensions (in mm):

A 77 · E 50

Browse our range of locks for metal doors:
Locks for metal doors

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