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oldtamiyaphile · 03-26-2015, 09:15 PM

Use a step drill. Perfect holes every time:

New Milwaukee USA-Made Step Drill Bits

They do require a bit of clearance behind your panel for larger holes though. Try it on some scrap first, you won't believe how well they work

03-26-2015, 09:15 PM	#312 (permalink)
oldtamiyaphile Master EcoModder Join Date: May 2009 Location: Australia Posts: 1,510 UFI - '12 Fiat 500 Twinair Team Turbocharged! 90 day: 40.3 mpg (US) Jeep - '05 Jeep Wrangler Renegade 90 day: 18.09 mpg (US) R32 - '89 Nissan Skyline STiG - '16 Renault Trafic 140dCi Energy 90 day: 30.12 mpg (US) Prius - '05 Toyota Prius Team Toyota 90 day: 50.25 mpg (US) Premodded - '49 Ford Freighter 90 day: 13.48 mpg (US) F-117 - '10 Proton Arena GLSi Pickups Mitsubishi 90 day: 37.82 mpg (US) Ralica - '85 Toyota Celica ST 90 day: 25.23 mpg (US) Sx4 - '07 Suzuki Sx4 90 day: 32.21 mpg (US) F-117 (2) - '03 Citroen Xsara VTS 90 day: 30.06 mpg (US) Thanks: 325 Thanked 452 Times in 319 Posts	Use a step drill. Perfect holes every time: New Milwaukee USA-Made Step Drill Bits They do require a bit of clearance behind your panel for larger holes though. Try it on some scrap first, you won't believe how well they work __________________