The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - what size drill bit and tap for 3/8 heli-coil

*Fast68Chevy* · 09-14-2002, 08:05 PM

well that may work on the oen thats to broken off flush, but the other one is busted off inside head,

i dunno how i can possily and accurately manage to drill out center of a steel bolt like that, gonna have to find a really cool drill bit ?

thanks@!

09-14-2002, 08:05 PM	#8
Fast68Chevy Account Suspended Join Date: May 2000 Location: IL Posts: 0	well that may work on the oen thats to broken off flush, but the other one is busted off inside head, i dunno how i can possily and accurately manage to drill out center of a steel bolt like that, gonna have to find a really cool drill bit ? thanks@!