Subject: Re: Broken Tap

From: [email-masked] (Jonathan M. Elson)
Date: 13 Apr 1995 18:57:51 GMT

[email-masked] wrote:
: Does anybody out there know of a slick way to remove a broken tap from a silcon
: bronze hole. I have had to rebuild a shoulder on a manifold (cast Iron) with silicon 
: bronze and drill and tap for 5/16 thread. Strange thing when the tap does'nt seem to 
: be pulling that hard before breaking. E-mail your response A.S.A.P., Thanks in 
: advance.

You need a "tap remover".  They are sold by size and # of flutes.  They
have fingers that slip down between the flutes of the broken tap and grip
it for turning.  A collar slides down around the fingers outside the hole
to heep the fingers from twisting.  Then you just attach a tap wrench and
back the remover and the tap out.