From 
Image 1 of 8
1. Mark and
drill all the holes first, insert the plastic anchors, then mount the bracket
with screws.
Image 2 of 8
2. Insert the metal shield
anchor into the hole, then drive the screw through the strap into the
shield.
Image 3 of 8
3. Drive
the pin on the hammer-set fastener with sharp blows from the hammer. The
fastener will slip into the hole and expand at the back to wedge the fastener
against the concrete.
Image 4 of 8
4. Mount
grab bars and railing brackets to soft masonry like brick and concrete block
with sleeve anchors. Slide the sleeve into the predrilled holes and
tighten.
Image 5 of 8
5. A special bit and sleeve
assembly lets you drill holes and drive screws quickly. Buy them at
well-stocked home centers and hardware stores.
Image 6 of 8
6. Predrill
the right-size screw hole to the correct depth and drive the special hardened
screw with a power screwdriver or drill.
Image 7 of 8
7. Drill
1/2-in. holes, insert the anchors and tighten the nuts to fasten a 2x6 ledger
board to concrete block.
Image 8 of 8
8. Bore a
1/2-in. hole through the wood and into the concrete to fasten wood plates to
concrete floors. If you’ve got more than a few holes this size to drill,
take it out on a rental drill and save yours for medium- and lighter-duty pilot
holes.
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