Bosch HMV 3051 C Installation Instructions Manual page 13

Figure 1 - Flat or frame recessed bottom cabinet
Figure 2 - Recessed bottom cabinet with front overhang
5. Set the mounting plate aside
6. Drill holes on the circles:
3/16" (5 mm) holes for wood screws (stud)
D
5/8" (16 mm) holes for toggle bolts (no stud)
D
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