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thread chaser taps, which ones to get #2696763
09/11/19 11:36 PM
09/11/19 11:36 PM
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Lincoln Nebraska
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RapidRobert Offline OP
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I probably would not use em to death but I'd want them to adequately do their job in properly cleaning the threads when I do use em. HF has a set but I am hesitant. What set would you recommend? thank you for your time


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Re: thread chaser taps, which ones to get [Re: RapidRobert] #2696766
09/11/19 11:39 PM
09/11/19 11:39 PM
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Utah and Alaska
astjp2 Offline
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I have the craftsman set, it does NF, NC and Metric...


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Re: thread chaser taps, which ones to get [Re: astjp2] #2696769
09/11/19 11:43 PM
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RapidRobert Offline OP
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head/main bolt holes would be my main interest. If they are sold seperately maybe I could splurge on some real good ones


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Re: thread chaser taps, which ones to get [Re: RapidRobert] #2696780
09/12/19 12:16 AM
09/12/19 12:16 AM
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astjp2 Offline
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Get a bottoming tap for each size and thread pitch,
www.travers.com
www.MSCdirect.com
www.mcmaster.com


1941 Taylorcraft
1968 Charger
1994 Wrangler
1998 Wrangler
2008 Kia Rio
2017 Jetta

I didn't do 4 years and 9 months of Graduate School to be called Mister!
Re: thread chaser taps, which ones to get [Re: astjp2] #2696788
09/12/19 01:00 AM
09/12/19 01:00 AM
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Minnesota
Hemi_Joel Offline
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Originally Posted by astjp2
I have the craftsman set, it does NF, NC and Metric...


Same here, very happy with them. Made in the USA. They don't really cut, they clean and re-shape. So you don't lose metal. I wouldn't trust HF for these. If the sizes are off, or if they shatter in the hole, like most HF stuff is garbage, you just messed up your block.

Last edited by Hemi_Joel; 09/12/19 01:03 AM.

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Re: thread chaser taps, which ones to get [Re: RapidRobert] #2696810
09/12/19 08:43 AM
09/12/19 08:43 AM
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Benton, IL.
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DaveRS23 Offline
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I have a couple sets of HF tap and die sets. They work fine. I don't use them real often but they are real handy when I need them. If you were going to make your living with them or want to hand them down to your grandchildren, then it would be best to spend the coin and get some more expensive ones. But for the occasional job, they have been well worth it for me.


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Re: thread chaser taps, which ones to get [Re: DaveRS23] #2696821
09/12/19 09:26 AM
09/12/19 09:26 AM
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Massillon, Ohio
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cudatom Offline
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Originally Posted by DaveRS23
I have a couple sets of HF tap and die sets. They work fine. I don't use them real often but they are real handy when I need them. If you were going to make your living with them or want to hand them down to your grandchildren, then it would be best to spend the coin and get some more expensive ones. But for the occasional job, they have been well worth it for me.


Agreed. I have used my HF ones often and never a problem.


Ok
Re: thread chaser taps, which ones to get [Re: cudatom] #2696866
09/12/19 11:55 AM
09/12/19 11:55 AM
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north of coder
moparx Offline
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roll/form taps work well for chasing threads as well, because they "form" or "roll" the threads instead of removing material as regular taps.
something to consider if you only want to buy a couple.
they also come in coarse, fine, and metric.
beer

Re: thread chaser taps, which ones to get [Re: RapidRobert] #2696884
09/12/19 01:03 PM
09/12/19 01:03 PM
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"Whenever you’re faced with dirty or slightly burred female threads (cylinder head threaded holes in a block, spark plug holes in a head, etc.), you may be tempted to grab an appropriate size cutting tap to clean up the threads. The correct choice is to use a “chaser” tap. A cutting tap is designed to create new threads, whereas a chaser tap is designed to clean, re-form and restore existing threads."

https://www.summitracing.com/parts/...Q7eHL5AIVuSCtBh28YwNjEAQYASABEgKgTPD_BwE


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Re: thread chaser taps, which ones to get [Re: John_Kunkel] #2696885
09/12/19 01:15 PM
09/12/19 01:15 PM
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Stuttgart, Arkansas
rickseeman Offline
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Originally Posted by John_Kunkel
"Whenever you’re faced with dirty or slightly burred female threads (cylinder head threaded holes in a block, spark plug holes in a head, etc.), you may be tempted to grab an appropriate size cutting tap to clean up the threads. The correct choice is to use a “chaser” tap. A cutting tap is designed to create new threads, whereas a chaser tap is designed to clean, re-form and restore existing threads."

https://www.summitracing.com/parts/...Q7eHL5AIVuSCtBh28YwNjEAQYASABEgKgTPD_BwE


Exactly. That is what you want to use to clean every thread before assembly. And to find out if there is a problem. Taps are to cut threads and I don't want to remove material unless the thread needs repair. But you still will want a complete tap and die set and bottoming taps for other thread repairs. Even a HF set will work and last the rest of your life.

(OK, I'll admit I have a tool fetish. But when I need something, I have it.)


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Re: thread chaser taps, which ones to get [Re: rickseeman] #2696945
09/12/19 04:52 PM
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Aurora, Colorado
451Mopar Offline
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I usually use a tap first time to make sure the holes are tapped to the bottom. When I know the holes are fully tapped, I'll use the thread chasers next time I have to clean out the threads.

Re: thread chaser taps, which ones to get [Re: 451Mopar] #2697000
09/12/19 08:20 PM
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DaveRS23 Offline
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Of course, using the right style of tap for the particular job is the best thing to do........technically.

In reality, for most of us that will use the tap one time on a set of threads to clean them up or to make a set of threads, any tap will be better than nothing.


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Re: thread chaser taps, which ones to get [Re: RapidRobert] #2697009
09/12/19 09:00 PM
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I bought ARP thread chaser taps, a set of 5 course-thread in typical sizes for prepping a block. Don't recall what the cost was, or if I could have sourced the equivalent taps cheaper from a tool supplier like MSC or McMaster-Carr.

Re: thread chaser taps, which ones to get [Re: BradH] #2697015
09/12/19 09:18 PM
09/12/19 09:18 PM
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Plumb Wired Offline
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Summit sells ARP thread chaser sets and individuals. You may be able to find cheaper on Amazon or elsewhere.

https://www.summitracing.com/search...haser%20&sw=ARP%20Thread%20Chaser%20


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Re: thread chaser taps, which ones to get [Re: Plumb Wired] #2697091
09/13/19 07:00 AM
09/13/19 07:00 AM
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London, England
Gavin Offline
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I have a set of the cheap Summit ones and have used them effectively. If you are really cheap or just in a fix then just cut a vertical slot or two in the threads of a bolt and use that, you'll get the same result. For the price of the Summit ones, it's probably cheaper just to buy them than make your own....

Re: thread chaser taps, which ones to get [Re: Gavin] #2697145
09/13/19 11:11 AM
09/13/19 11:11 AM
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Mequon, WI
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gzig5 Offline
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Originally Posted by Gavin
I have a set of the cheap Summit ones and have used them effectively. If you are really cheap or just in a fix then just cut a vertical slot or two in the threads of a bolt and use that, you'll get the same result. For the price of the Summit ones, it's probably cheaper just to buy them than make your own....


This^^^. For $10 the summit ones are nice to have. But if you are missing a size, a grade 8 (preferably) bolt and dremel cutoff wheel will create the exact same thing it about one minute.

Re: thread chaser taps, which ones to get [Re: gzig5] #2697160
09/13/19 11:36 AM
09/13/19 11:36 AM
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RapidRobert Offline OP
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Good stuff, I am going to follow you guys' advise. Thank you!


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Re: thread chaser taps, which ones to get [Re: Plumb Wired] #2697172
09/13/19 11:56 AM
09/13/19 11:56 AM
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Stuttgart, Arkansas
rickseeman Offline
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Originally Posted by Plumb Wired
Summit sells ARP thread chaser sets and individuals. You may be able to find cheaper on Amazon or elsewhere.

https://www.summitracing.com/search...haser%20&sw=ARP%20Thread%20Chaser%20


ARP pricing is, as usual, beyond belief. Where in the world do they come up with those numbers?


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Re: thread chaser taps, which ones to get [Re: rickseeman] #2697200
09/13/19 01:23 PM
09/13/19 01:23 PM
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RapidRobert Offline OP
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^^^ Agreed, way more than I'd wanna go


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Re: thread chaser taps, which ones to get [Re: RapidRobert] #2697221
09/13/19 02:39 PM
09/13/19 02:39 PM
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Cleveland Ohio
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If you just want to clean the debris out, grind 3 flats on an old head bolt. That will allow the grease/gunk to come out & doesn't cost anything.

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