6A-SP Slam to Lock Mortice

Installation & Technical Manual

The 6A-SP Slam Lock Mortice is a smart lock mortice designed for residential entrance doors and security doors. It features automatic slam locking when the door closes, with manual unlocking via handle or key cylinder.

The lock is manufactured to comply with GA 374-2019 security standards and is suitable for both metal and timber door installations.

IMG_0331

IMG_0331


Product Overview

Main Features

  • Automatic slam-to-lock function

  • Mechanical key override

  • Internal handle release

  • Anti-forcing deadbolt design

  • Reversible latch mechanism

  • Stainless steel construction

  • Suitable for smart lock systems

  • Compatible with standard euro-style lock cylinders

Technical Specifications

Lock Body Dimensions

Specification

Measurement

Lock body size

180 × 95 × 20 mm

Faceplate size

240 × 24 × 2.5 mm

Centre spacing

60 × 68 mm

Overall depth

92 ± 1 mm

Lock body height

177 ± 0.5 mm

Important:
Additional fitting adjustments may be required for doors or lock cavities exceeding 21 mm thickness.

Handle & Spindle Specifications

Specification

Measurement

Spindle hole size

8 × 8 mm

Rotation tolerance

±33°

Flat bar support

8 × 2 mm

Auxiliary spindle compatibility

5 × 5 mm

Locking System

Slam Lock Function

The latch automatically engages when the door is closed, providing immediate locking without lifting the handle.

Deadbolt Operation

The independent deadbolt system helps resist forced entry.

Unlocking Methods

  • External key unlocks both latch and deadbolt

  • Internal handle retracts latch and opens the door

  • Compatible with clockwise and anti-clockwise thumbturn operation

Latch & Bolt Design

Main Components

  • Main locking bolt

  • Secondary security latch

  • Anti-shim false hook mechanism

  • Assisted reversible latch tongue

The latch tongue is slightly wider than standard designs to improve alignment and security.

Door Compatibility

Suitable Door Types

Recommended

  • Metal entrance doors

  • Steel security doors

Also Compatible

  • Timber entrance doors

Smart Lock Compatibility

The 6A-SP mortice is designed for use with many smart lock systems using standard 60 × 68 mm fixing centre’s.

Replacement Compatibility

The lock can replace existing:

  • Standard mortices

  • BaWang locks

  • WangLi locks

Replacement is completed by changing the faceplate where required.

Cylinder Compatibility

Supported Cylinders

  • Standard lever lock cylinders

  • Smart lock compatible cylinders

Cylinder Dimensions

Specification

Measurement

External cylinder size

16.2 – 17 mm

Installation Guidelines

Recommended Fixings

Use stainless steel fixing screws only.

Requirement

Specification

Maximum screw length

70 mm

Installation Dimensions

Machining Tolerances


Component

Tolerance

Faceplate width

24 ± 0.5 mm

Internal spacing

14 ± 0.5 mm

Lock body height

68 ± 0.5 mm

Bolt throw

15 ± 0.5 mm

Main bolt projection

20.5 ± 0.5 mm

These tolerances ensure:

  • Correct alignment

  • Smooth operation

  • Long-term reliability

  • Reduced wear on internal components

Materials & Construction

External Components

Component

Material

Latch tongue

304 stainless steel

Faceplate

Brushed stainless steel

Main bolt

Stainless steel

Auxiliary deadbolt

Stainless steel

Internal Components

  • Electroplated steel plates

  • Galvanised steel hook assemblies

  • Zinc-coated internal parts for corrosion resistance

Security & Performance Standards

Compliance

Manufactured in accordance with:

  • GA 374-2019

  • GA/T73-2015 Grade A

Mechanical Performance

Test

Rating

Latch side pressure resistance

1000 N

Main bolt side pressure resistance

3000 N

Main bolt axial pressure resistance

1000 N

Spindle breaking torque

> 50 Nm

Thumbturn destructive torque

> 12 Nm

Operational Performance

Function

Specification

Key operating torque

< 1.5 Nm

Handle operation torque

< 3 Nm

Latch rebound force

3 – 10 N

Operational noise level

< 70 dB

Durability & Lifespan

The lock is tested for repeated daily operation in residential environments.

Component

Minimum Test Cycles

Latch mechanism

100,000 cycles

Main deadbolt

100,000 cycles

Lock cylinder operation

100,000 cycles

Safety linkage system

30,000 cycles

Corrosion Resistance

External components are tested to meet durability requirements including:

  • 24-hour salt spray resistance

  • Anti-rust performance standards

  • Level 6 durability rating

Additional Features

  • Reduced internal latch gap for improved sealing

  • Fast reversible latch mechanism

  • Stable structural performance under load testing

  • Reinforced anti-forcing design

  • Precision-engineered lock body for smooth operation

Recommended Applications

The 6A-SP Slam Lock Mortice is suitable for:

  • Residential smart lock systems

  • Apartment entrance doors

  • Security doors

  • Retrofit smart lock upgrades

  • Metal and timber front doors