Inquiry (采购产品): Security Screws I am looking for M4 45 mm machine security screws. It doesn't really matter what kind of head design so long as they cannot be taken out with a Phillips or standard screwdriver. Thank you, Mark W. Erickson Dixie Air & Water 484 North 2200 East Saint George, UT. 84790 (435) 632-8687 Cell E-mail: markwerickson@msn.com **** Hidden Message ***** Mark Erickson 84790 USA Company: Dixie Air & Water Phone: 435-632-8687 E-mail: markwerickson@msn.com **** Hidden Message ***** markwerickson@msn.com