TRACTOR PARTS Allis Chalmers Case & David Brown Farmall & International Ferguson Ford & New Holland John Deere Massey Ferguson Massey Harris Minneapolis Moline Oliver & Cockshutt Kubota / Yanmar

TRACTOR MANUALS

Allis Chalmers	Case	Farmall IH	Ford 8N,9N,2N	Ford
Ferguson	John Deere	Massey Ferguson	Minn. Moline	Oliver

Attention Forum Users: On the 28th of December 2023 at 9:00am Central Time, we will be taking the forums down for maintenance while we prepare the new forums for your use. Please click here for more information.

Discussion Forum

Need GOOD drill bit for broken stud

Welcome Guest, Log in or Register

Author

mark

01-01-2001 07:53:41

Report to Moderator

ok ,I broke a stud off in the head of my H Farmall...not like it is the first broken stud I have tried to remove before ..actually 3 stud's broke off...I welded nuts on the two that was just above the surface ,,they came out ..the one below the surface has to be drilled out ..I bought CARBON tip drill's and they won't even scratch it ..where can I get a drill bit to penetrate it so I can run a easy out in it ???

[Log in to Reply] [No Email]

Fred OH

01-02-2001 11:48:42

Report to Moderator

Re: need GOOD drill bit for broken stud in reply to mark, 01-01-2001 07:53:41

Mark, if you tried welding a nut on this stud and twisted it off, you probably made it hard. If not, you need a carbide spade drill. They are zero rake angle (drill doesn't need pulled into work to chip cutting edge) These drills run at a high speed and actually heat up the hardened metal and wipe a small annealed shaving as they go. Kinda slow but sometimes if it's the only game in town, you got to play it. L8R----Fred OH

[Log in to Reply] [No Email]

rhudson

01-01-2001 20:27:59

Report to Moderator

Re: need GOOD drill bit for broken stud in reply to mark, 01-01-2001 07:53:41

Mark, if you're using a mason's carbide tipped drill, it has the wrong rake angle to drill metal. They can be reground with a diamond wheel or cheaper green wheels for positive rake angle, and do a fair job on hard metal. as always the harder the metal the slower the drill speed. left hand drill work (very well i might say) because they tend to unscrew right hand threaded fastners as they drill. i suspect the vibration associated with drill helps break the bond between the fastner and the female threads. many times the stud backs out during the drilling operation or when the drill breaks through and grabs. if not, a hole is a hole and you can still use an easy out or other last resort. i cant figure out why a head bolt is so hard, unless it has gained carbon from some source and become cased hardened.

[Log in to Reply] [No Email]

Nathan(GA)

01-01-2001 19:55:19

Report to Moderator

Re: need GOOD drill bit for broken stud in reply to mark, 01-01-2001 07:53:41

Any good quality drill bit with proper cutting edge will do the job. Start with about 1/8".

The only carbide tip drills I know of are for masonry, tile, etc.

[Log in to Reply] [No Email]

Larry Garbarek

01-01-2001 12:48:08

Report to Moderator

Re: need GOOD drill bit for broken stud in reply to mark, 01-01-2001 07:53:41

Don't understand. What is a carbon tipped drill?

I believe you mean a carbide tipped drill. If so, carbide is about the best readily available material you can use to drill steel. If carbide tipped drills are not working, the problem might be the type of point.

For many applications, a split point drill is self centering, thus, it will keep the point from "walking" over your workpiece and help you to get an hole started.

Most cobalt drills have split points.

You might use a smaller split point drill to get a starter hole. Then a left hand drill might be able to penetrate and break loose your studs.

If the left hand drill still doesn;t do the job, try the 4 flute stud removers/drill extractors by Armstrong, Williams and others. You tap these tapered fluted extractors into the drilled hole and turn with a wrench. Use rust penetrating products if necessary. This should solve most problems. If this doesn't work, I guess you will have to use a torch to heat and extract.

Good luck!

[Log in to Reply] [No Email]

01-01-2001 08:50:01

Report to Moderator

Re: need GOOD drill bit for broken stud in reply to mark, 01-01-2001 07:53:41

Get a LEFT Handed titaniun coated or colbalt bit.You will not regret the price. If the broken stud is not rusted in drilling it with a CCW rotating bit will probably spin the stud out before you drill all the way through.

[Log in to Reply] [No Email]

[Options] [Printer Friendly] [Posting Help] [Return to Forum] [Log in to Reply]

TRACTOR PARTS	TRACTOR MANUALS

We sell tractor parts! We have the parts you need to repair your tractor - the right parts. Our low prices and years of research make us your best choice when you need parts. Shop Online Today. [ About Us ]

Home | Forums

Copyright © 1997-2023 Yesterday's Tractor Co.
All Rights Reserved. Reproduction of any part of this website, including design and content, without written permission is strictly prohibited. Trade Marks and Trade Names contained and used in this Website are those of others, and are used in this Website in a descriptive sense to refer to the products of others. Use of this Web site constitutes acceptance of our User Agreement and Privacy Policy

TRADEMARK DISCLAIMER: Tradenames and Trademarks referred to within Yesterday's Tractor Co. products and within the Yesterday's Tractor Co. websites are the property of their respective trademark holders. None of these trademark holders are affiliated with Yesterday's Tractor Co., our products, or our website nor are we sponsored by them. John Deere and its logos are the registered trademarks of the John Deere Corporation. Agco, Agco Allis, White, Massey Ferguson and their logos are the registered trademarks of AGCO Corporation. Case, Case-IH, Farmall, International Harvester, New Holland and their logos are registered trademarks of CNH Global N.V.

Yesterday's Tractors - Antique Tractor Headquarters

Website Accessibility Policy