The correct tool is a hammer screwdriver. You hold the bit tight to the screw and then hit the driver. It exerts a downward force and a torque at the same time. I’ve found it effective.
https://www.google.ca/search?gs_rn=23&gs_ri=psy-ab&tok=oPJD7GNjgLZtH9Wm9kEF-w&pq=hammer+driver&cp=9&gs_id=1z&xhr=t&q=hammer+screw+driver&bav=on.2,or.r_qf.&bvm=bv.50165853,d.dmg&biw=1188&bih=546&um=1&ie=UTF-8&hl=en&tbm=isch&source=og&sa=N&tab=wi&ei=m5T9UeXsIpWn4APfzIHwDg#facrc=_&imgdii=_&imgrc=OaUvmIkwY9z90M%3A%3BeYJz_vbcXEqh6M%3Bhttp%253A%252F%252Fww2.justanswer.com%252Fuploads%252Famdhcds%252F2012-06-11_231053_impact-screwdriver.jpg%3Bhttp%253A%252F%252Fwww.justanswer.com%252Fhonda%252F6s24d-07-honda-pilot-front-brake-rotor-off.html%3B640%3B480 Mike S/V Persuasion C&C 37 Keel/CB Long Sault From: Dr. Mark Bodnar Sent: Saturday, August 3, 2013 12:42 PM To: cnc-list@cnc-list.com Subject: Re: Stus-List Using a hammer drill to remove corroded fastener I don't think you want a "hammer drill" - technically that is a drill that hammers forwards and backwards at high speeds to break through concrete. I think what you want is an impact gun (similar to what mechanics use on tire lug nuts - but available in small scale "drill" type versions) - that will apply a certain amount of pressure with each impact, but not spin at the high speed until the fastener is free. Mark --------------------- Dr. Mark Bodnar B.Sc., D.C., FCCOPR(C) Bedford Chiropractic www.bedfordchiro.ca --------------------- There is no cure for birth and death save to enjoy the interval. - George SantayanaOn 03/08/2013 11:13 AM, kelly petew wrote: I want to add a "T" track slide to my mast for a whisker pole. The mast tracking is in place, but I can't break the bottom fastener, in order to install the T-Track. Likely, corrosion b/t the fastener and mast is the issue. Has anyone had any experience - good or bad - using a hammer drill to break the corrosion bond?? thanks. Pete W. C&C30 MKII _______________________________________________ This List is provided by the C&C Photo Album http://www.cncphotoalbum.com CnC-List@cnc-list.com -------------------------------------------------------------------------------- _______________________________________________ This List is provided by the C&C Photo Album http://www.cncphotoalbum.com CnC-List@cnc-list.com
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