Inquiry (采购产品): tap 6-32 sti straight flute carbide tap 3-b. The tapping material is very hard stainless material. We are tapping through a 1/8 thick plate. **** Hidden Message ***** Burt martinez 91010 Company: GE Aviations E-mail: burt.martinez@ge.com **** Hidden Message ***** burt.martinez@ge.com