Drill jig to locate holes for Hose Baffle Seal Drill Jig - 0 Degree (Straight thru)
 
Installation
1. Use #40 drill bit at drill jig to locate holes in sheet metal, clamp the jig for accuracy
2.  Drill and then cleco each hole sequentially
3. Open sheet metal mounting holes to .166 - .175 inch dia.
4. Open center hole as desired
5. Torque AN525-832R10 screws to 10 in-lb or 1 N-m.  Recommend metal locking nuts.  Consider metal lock nut running torque