Kwikset Classic

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Kwikset Classic

The standard Kwikset cylinder is a pin-tumbler lock. It uses five chambers of key pins, drivers, and springs. In the United States, it is one of the most common cylinders used in residential door locks.


Principles of Operation

The standard Kwikset cylinder uses five chambers of pins that span the gap between the plug and the shell, preventing rotation of the plug within the shell. There are six key pin heights, and seven key cut depths with the use of master pins. Kwikset uses key pins that are slightly tapered on both ends.


Specifications

Key blank 1176, KW1

Estimated plug diameter .498"

Shoulder to first cut .247", spacing center to center .150"

Depth increment .023"

Cut width .080"

MACS = 4


Cut | Spacing | Depth | Key Pin | Master | Driver

1     .247"     .329"   .172"     .023"    .180"

2     .397"	.306"   .195"     .046"    .180"

3     .547"	.283"   .218"     .069"    .180"

4     .697"	.260"   .241"     .092"    .180"

5     .847"	.237"   .264"     .115"    .180"

6     .997"	.214"   .287"     .138"    .180"

7               .191"

Disassembly instructions

  1. Remove the cylinder from the housing, either by removing the screws (deadbolts) or releasing the retaining clips (key in knob cylinders).
  2. Remove the C-clip plug retainer from the cylinder.
  3. Remove the plug from the core, either by using a working key or manipulating the pins so that they do not block the shear line.


Vulnerabilities


Gallery

References


See also