Without this pilot bit the hole saw would wander across the face of the door as you start to drill the giant hole.
Door handle hole saw size.
Bi metal hole saw d180016.
Most of the current locks require the standard 2 1 8 bore.
To overcome this problem fasten a piece of 1 2 inch plywood over the existing hole.
When enlarging a lockset hole mark the centerlines of the old hole on the door.
Backsets and 1 3 8 in.
Measure from the center of the door knob hole to the edge of the doorway to find the size of the door set.
Hole saw set hychika 19 pcs hole saw kit with 13pcs saw blades 2 mandrels 2 drill bits 1 installation plate 1 hex key max size 6 and min size 3 4 ideal for soft wood plywood drywall pvc 4 3 out of 5 stars 1 385.
Insert a 2 1 8 inch hole saw into your drill and position the pilot bit on the mark you made on the face of the door.
Dewalt d180004 door lock installation hole saw kit.
Lock bore the diameter of the hole for the lock body.
The plywood will hold the pilot bit on track until the saw starts cutting.
Finish drilling the hole from that side of the door.
Apply firm pressure as you drill the hole into the door making sure the hole saw is flat and not angled as it goes through the door.
Then mark centerlines on the plywood block.
In most cases the door set which is inside of the door and controls the door latch.
The dewalt door lock installation kit helps you install door locks on wood and metal doors.
To know where to drill this hole from the edge of the door you need to know the backset of the lockset.
Use to install door locks on wood and metal doors.
Bi metal hole saw d180034.
Many older doors had bores that were been smaller.
Door lock installation kit d180004.
Continued drilling through the opposite side until you complete the door knob hole in the door.
2 bi metal hole saws.
Hole saws come with a centered pilot bit that allows you to center the hole saw.
Holding the drill steady to prevent wobbling drill through the door until the tip of the pilot bit emerges from the other side of the door.
Three trade specific configurations contain the most commonly used sizes.
Then bore into the plywood and through the hole behind it.
Contains the most commonly used sizes.
The larger 2 and 1 8 inch hole is drilled first.
The standard bore is 2 1 8.