8.0”ø
(203.2mm)
180˚
360˚
ACCEPTABLE
ACCEPTABLE
IMPROPER
ACCEPTABLE
LOAD
LOAD
LOAD
LOAD
5” min
depth
(12.7cm)
1”min
(2.54cm)
Section View:
10”
(25.4cm)
Drill 1ӯ
(2.54cm)
min from any
edge
6”min
(15.24cm)
Hole to Edge:
DRILLING :
1.
Use a hammer drill (SDS), drill a 1” (2.54 cm) diameter hole at least 5”
(12.7 cm) deep. The drilled hole must be straight and perpendicular to
the surface. Make sure the hole is of uniform diameter and free of peaks and
valleys on the inner wall. See diagram below.
2.
Blow hole clean with compressed air.
3.
Refer to the diagram below for hole location and requirements.
4.
Always inspect the hole carefully when reusing a previously drilled hole.
LOADING CONDITIONS DIAGRAM