Inquiry (采购产品): Machining I'm reviewing a series of drawings that has holes specified similar to this: .42" diameter (+/- .01") thru all AND 1/2-13 UNC - 2B thru all Material = 6061-T6 Wouldn't the .42" diameter drilling provide an "unstable" cavity to have the 1/2-13 UNC - 2B threads machined? Harold Bittner Project Engineer Ionics Inc. Canonsburg, PA 15317 e-mail: hbittner@ionicsinc.com **** Hidden Message ***** Harold Bittner 30 Curry Avenue Canonsburg, PA 15317 USA Company: Ionics Inc. Title: Project Engineer Phone: 724-743-0270 x 114 Fax: 724-743-0283 E-mail: hbittner@ionicsinc.com **** Hidden Message ***** hbittner@ionicsinc.com