Drill America - POU1NPTW/DRILL 1" Carbon Steel NPT Pipe Tap and 1-5/32" High Speed Steel Drill Bit Set, POU Series
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There is nothing on the package about it
Dear World, I am I really appreciate the 18 NPT. Thanks a lot!
I just wanted to know if the tap was standard 3/4" or not I would like to know the size of 14 NPT Pipe.
Selected User Reviews For Drill America - POU1NPTW/DRILL 1" Carbon Steel NPT Pipe Tap and 1-5/32" High Speed Steel Drill Bit Set, POU Series
Experience as a mechanic and machine operator for 25 years There was a need for a re-write An aluminum nut with an outside thread of 1/8 BPT to an inside thread of 1/8 NPT. For both drill sizes, I didn't need to drill, so I didn't need to drill in my case. had no issues using the tool, I cut nearly the full length of the cutting section of the tap with lubrication and 1/4 turns, and I backed out the tap to clear the threads without any The price was very cheap for the kit I bought, so I considered it a good value. Please note the following general information.
These tapped bushings came in handy when I tapped the 4" schedule 40 pvc to accommodate the 1" npt pipe bushing. There are some reviews that complain about the softness of the tap. As noted in the description of the product, it is only carbon steel, not HSS or tool steel. Brass or plastic are the only materials that this set is designed to handle. The HSS taps are available, but not for this low price. br> Similarly, you get a matching drill and tap for the price. There is no obvious defect in the fit and finish. It is necessary for the tap handle to be very large and the drill to require a 1/2" chuck because they are so large. It would be better if the price was better, but this is a hard to find drill size.
For my purposes, this fitted the bill.
As this tap seems to be just a little too large, I have given it 3 stars. The aluminum crossover on my intake had to have a corresponding hole tapped for a second sensor. I had to match a hole that was already there with the tapped hole that I used that is definitely "looser" than the one I tapped. It was a simple process and the PTFE tape seemed to work fine, but if you require extreme precision, it may not be In any case, I'm not sure why anyone would say this isn't a sharp tap at all. I found the tap to be of high quality and the drill bit to be very sharp. Both worked very well. Drilling into aluminum can create wedges that can be extremely difficult to remove if you use anything other than almost nonexistent pressure. Use soft, almost nonexistent pressure when drilling into aluminum as this thing will bite very deeply if anything other than that is used. I know how it works because I've experienced it first hand. The only reason I gave 3 stars was because the packaging was pretty dreadful, as well as the fact that it might be Although not the Amazon padded envelope package, the crappy sleeve it ships in could be improved upon. Even so, it's a good product for the price.
I had to drill and tap two holes in a 1/4 mild steel plate at 250 rpm using cutting fluid on a drill press, and it kind of succeeded, but barely. As well as the drill bit being dull and not sharpened square, the tap was also very By the end of the first 2 holes, the tap's teeth had been chipped and rolled. When I knew how bad this kit was, I would have saved myself the headache and bought an Irvin tap and Norseman bit for a lot less money. It is unlikely that I would ever purchase another DrillAmerica product. This might work for aluminum, but if you want to use it for more than one project, you will have to buy a better setup.
In all honesty, it would probably work well for aluminum with mild steel being a close second. Stainless steel wasn't strong enough to handle it. It was necessary to tap four holes in exhaust pipes made of SS with a wall thickness of 1/8". Slowly walking and a lot of pacing Take your time). Here is what you need to know. Prior to purchasing this bit, I made five drillings in five degree increments. After the first one (again, lots of fluid), it made it to the second one. The shot was made 1/6 of the way through the second hole. They were missing the corners of their flukes. It has been sharpened and tried many more times since then & Despite its efforts, it never was able to complete It became necessary to use a bit I had on hand The hole was oversized by 2 mm but it was my only choice since it didn't interfere with the in and out of the other two holes. That's why you should take it as what it is. In my opinion, this method would probably work well with In terms of 4 holes, I would not have been willing to spend four times this amount.
In view of the fact that I use a lot of NPT fittings, I was disappointed to not find a tap to add to my collection. Within 20 seconds of drilling, the drill bit was chipped, indicating that it was unable to go through. It was necessary to use another bit to complete the task. In order to clean out this tap when you use it on steel, repeat the reverse process every 1/2 turn. When I cut, I usually get two good cuts It takes me three turns before I back With all those precautions, you will still have a trash can full of it after the first hole you tap. So drill a good hole first! My rating is extra due to the fact that I got the one hole I needed tapped.
It is stamped 3/8 18npt. There is no escape. Actually, the outer diameter of the rings is The wrong size. They don't need to go through the hassle of trying to get a.
My mistake was to use this to 1/2'' Npt to tap off an EGR passage in a classic Buick cylinder That was a bad idea. Despite the fact that the hole it was tapping was already oversize and should have been no problem for a good tool, the cutting teeth broke within the first couple threads of the initial taper and wedged themselves I am not at all happy.
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