Inquiry (采购产品): Black Oxide I have 5 ea 4140 bars 2 1/2" x 10-feet, and 2 ea 2 1/2" x 5-feet. I need a estimate cost to have black oxide. **** Hidden Message ***** Don Combs 37389 Company: Aerospace Testing Alliance (ATA) E-mail: don.combs@arnold.af.mil **** Hidden Message ***** don.combs@arnold.af.mil
