NOTE: Refer to Sets A and B beow for all installations. The Drill Guide is highly recommended as it reduces installation time,

prevents hole-saw jumping/skipping, keeps the hole-saw in the correct position, and can be used over and over. 

Set A

Instructions Using

Drill Guide (Recommended)

Set B

Instructions Without 

Drill Guide

COMMON TOOLS NEEDED

FOR EASY INSTALLATION

1-3/8" Bi-Metal Hole Saw

3/8" Hole Saw Arbor

Drill Extension

1/8" Drill Bit

Chisel

Utility Knife

Pre-Install

Qualifications List

Home Depot® has the
installation tools you'll need if
you don't already have them.

For your convenience we have provided

links to these tools below:

Photos of Select Installation Steps

(photos shown without use of Drill Guide)

1

Mark on doorjamb

where hole will

be drilled.

2

Drill through

doorjamb.

Extract plugs.

3

Insert Sure-Strike

housing into hole.

4

Mark around the 

Sure-Strike flange and

mark screw holes.

5

Pre-drill screw holes.

6

Chisel out doorjamb.

7

Re-insert Sure-Strike with cover plate and screw down.

Sure-Strike by WMW Innovation Company

5050 Quorum Drive, Suite 700

Dallas, Texas 75254

info@sure-strike.com

© 2008-2019 WMW Innovation Company All rights reserved.