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Home >> Ford >> 2012 >> Explorer Base, 3.5 8, AWD, 6F50 >> Repair and Diagnosis >> External Pages >> Different car >> Section 96 (Body System - Full Frame And Body Mounting) >> General Procedures >> Frame Drilling

Frame Drilling

WARNING: This page is about a different car, the 2013 Ford F-550 Super Duty, 2013 Ford F-450 Super Duty, 2013 Ford F-350 Super Duty, and 2013 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
  1. Holes that would weaken the frame sidemember should not be drilled in the frame.
  2. Holes are not to be drilled in the sidemember's top or bottom flange.
  3. Holes to mount brackets, out-riggers and supports may be drilled in the vertical frame side rail web with the following restrictions:
    • Material between edge of hole and inside of upper or lower flange must not be less than 38.1 mm (1.50 in) for low carbon steel (36, 000 psi yield).
    • The minimum edge distance between any 2 holes up to 15.74 mm (0.625 in) diameter must be 25.4 mm (1.00 in). For larger than 15.74 mm (0.625 in) diameter holes, the minimum edge distance must be 1.5 times the diameter of the largest hole.
    • No holes will be allowed to exceed 19.05 mm (0.75 in) in diameter.
    • Avoid close vertical succession of fasteners.
    • All attaching fasteners, including flat washers, must be of high strength steel (Grade 8).
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