Introduction to Residential Construction Keying (RCK)

This video will provide you with basic instruction for creating a Residential Construction Keying (RCK) system or project. You will learn about masterkeying and RCK. You will also learn how to read an RCK pinning and bitting chart and how to re-pin a cylinder for RCK. (9 min)

[@raymondrouthier3920]

Awesome video

[@turn-a-keylocksmith4411]

Where can one get a RCK key chart? Also do the ball bearings equal to one depth deeper in a key?

[@JakeArnet]

They are the equivalent to a #3 master pin. The video at 3:35 shows the construction key cut as 07930, with the change key in the example being 29618.