service mast

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1793

Senior Member
Location
Louisville, Kentucky
Occupation
Inspector
OK, I know it is crude but I made it on site one day. This "Jig" has served me well the few times I have had to use it.

I screw the jig to the Soffit, the screw holes will be cut out by the 2" Hole Saw.
Jig holds the bit plumb, so a long 1/4" bit goes through roof in perfect alignment.
Drill bottom hole then up on the roof to drill.
 

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