H hoppy Joined Feb 28, 2010 Messages 11 Jul 21, 2012 #1 Can someone tell me what size tap i need to tap out the threads for petcocks in fuel tank ? Thanks Simon.
Can someone tell me what size tap i need to tap out the threads for petcocks in fuel tank ? Thanks Simon.
L.A.B. Moderator VIP MEMBER Joined Nov 20, 2004 Messages 20,415 Jul 21, 2012 #2 1/4" BSP (0.518" x 19) http://www.britishfasteners.com/threads/bsp.html
