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Enlarge existing holes quickly, easily and accurately.
Perfect for: • Door locks • Retro-fitting conduit • Correcting errors
Adapter
Step 1
If the hole drilled is too small
Step 3
• Attach saw with correct hole diameter
• Attach hole saw that matches original
hole saw diameter
Step 5
206
Boschtools.com
E n larg e r
H ole
Larger hole saw of desired diameter
Large washer for
hole saws 1-1/4" - 6"
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Toll Free: 877-BOSCH-99
Original hole saw which
now acts as pilot bit
Small washer for hole saws 9/16" - 1-3/16"
Step 2
Step 2
Assemble the hole enlarger
Assemble the hole enlarger
Step 4
Align saws and re-cut hole
Quick change system
compatible
Smaller hole saw acts
as pilot bit for the
larger hole saw
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