NOTE - SOME APEX PLUG TAPS COME TO A POINT WITH 1/2 TURNS OF THREAD - IMAGE USED IS GENERIC. SOME CUSTOMERS MAY WANT TO GRIND THESE BACK FOR BLIND HOLES ETC Chronos Ltd have been supplying Engineering tools Mail Order for 35 Years , a family business , we started from a small converted garage in world , Although most of our business comes via our 11 Tooling Websites and Ebay - we also welcome personal callers to browse our thousands of attending an exhibition or if a large import shipment is being delivered so if you are travelling a long way PLEASE call ahead to check NOTE - SOME BRANDS OF PLUG/BOTTOM TAP (APEX ETC) COME TO A POINT AND MAY NOT BE FLAT AT THE BOTTOM FOR BLIND HOLES ETC ALTHOUGH IT IS COMMON PRACTICE TO GRIND THEM FLAT FOR SOME TAPPING APPLICATIONS NOTE - IF YOU ARE ORDE.