Better to make the holes with a punch that way you dimple the alum and the nail head has a place to hide. JB. -----Original Message----- From: stephen langford <smlangford@webtv.net> To: FlyBaby <FlyBaby@listbot.com> Date: December 07, 1999 11:09 PM Subject: Re: Fly Baby, Anyone building the tail feathers of the Baby? FlyBaby OK, I see now. I have a Dremmel with a chuck and 1/32" bit. That's how I drilled the aluminum on the rear deck. Where can I buy some 1/4" X 20 cemented nails? Aircraft spruce dosen't have them.