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Topic Review (Newest First)
09-21-2019 08:07 PM
Jrod-13 Has anyone else used century taps? I've bought quite a few over the years, and have been pretty satisfied, they are made in japan.
09-21-2019 09:54 AM
JMAN3203
Quote:
Originally Posted by H8DWINGS View Post
4 year old thread bump. Harbor freight $85 set worth a shit? Tool truck $200+ sets worth a shit?
The tool truck/Irwin sets are complete fucking garbage. I got some eBay, unopened, Snapoff set for cheap and immediately recognized the Irwin machining.

It is night and day difference between Irwin and a quality tap. My bolt supplier brings me Champion and Alfa cutting tools, I'll be replacing the Snappy with them as I break them.
09-20-2019 10:30 PM
billybob_81067
Quote:
Originally Posted by Jeepermat View Post
I use mine quite a bit for repairs, no complaints on them yet.
If I am cutting new threads into something I usually buy something a bit better from MSC or other tooling supply places.
Yeah and as I wear them out I will buy multiples of the sizes I use the most and replace the ones in the set with real good ones.

I like spiral point taps. Beefier cross section and seem to cut real well too.
09-20-2019 07:47 PM
Jeepermat
Quote:
Originally Posted by H8DWINGS View Post
4 year old thread bump. Harbor freight $85 set worth a shit? Tool truck $200+ sets worth a shit?
I use mine quite a bit for repairs, no complaints on them yet.
If I am cutting new threads into something I usually buy something a bit better from MSC or other tooling supply places.
09-20-2019 05:34 PM
[486]
Quote:
Originally Posted by H8DWINGS View Post
Tool truck $200+ sets worth a shit?
fuck no, they're rolled thread ch hanson garbage, save your money and just buy the irwin equivalent
09-20-2019 09:23 AM
billybob_81067
Quote:
Originally Posted by H8DWINGS View Post
4 year old thread bump. Harbor freight $85 set worth a shit? Tool truck $200+ sets worth a shit?
I've had good luck with them. As said above the die holder and tap wrench aren't that great, but you can get some good steel ones off of e-bay that are way better.

Also these t-handle tap wrenches from HF are actually really good for the smaller taps. I like using that style of wrench over the big t-handle as it gives you a better feel for the smaller taps.
09-20-2019 05:03 AM
arse_sidewards
Quote:
Originally Posted by H8DWINGS View Post
4 year old thread bump. Harbor freight $85 set worth a shit? Tool truck $200+ sets worth a shit?
You mean these sets? https://www.harborfreight.com/45-pc-...set-61411.html

You can get the same sets on eBay for cheaper. I have both metric and SAE. Tap wrench is cast aluminum and QC isn't that great. I broke one of them because there was massive porosity at one of the corners. Tapping hard steels in coarse pitches will wear them out decently quick. Other than that they're great. You can't beat them for the price.
09-19-2019 08:16 PM
H8DWINGS 4 year old thread bump. Harbor freight $85 set worth a shit? Tool truck $200+ sets worth a shit?
09-25-2015 08:21 AM
supernatural
Quote:
Originally Posted by camo View Post
Where does Irwin fall on the quality scale ?

I bought the Irwin fatty set from Roark supply years ago and they have served me well for occasional use.

this is what i'm wondering as well. I won't be using it too frequently, but i'm not exactly close to the tool store either. I'd hate to have a tap break and im SOL for a few days.
09-24-2015 07:46 PM
camo Where does Irwin fall on the quality scale ?

I bought the Irwin fatty set from Roark supply years ago and they have served me well for occasional use.
09-24-2015 12:06 PM
PTSchram
Quote:
Originally Posted by supernatural View Post
i ended up buying the irwin 75 piece off the tool truck. my tap set didn't come in time, and i really need to get my steering box tapped. oh well, i got the big one. its just money right?
We can always earn more!
09-24-2015 06:54 AM
supernatural i ended up buying the irwin 75 piece off the tool truck. my tap set didn't come in time, and i really need to get my steering box tapped. oh well, i got the big one. its just money right?
09-21-2015 12:29 PM
u2slow I buy the Mastercraft (Canadian Tire) tap & die sets when they're on sale 50-70% off. I'm covered up to 5/8" & M16, with duplicates of most everything under 1/2" & M12. I know they're chinese stuff, but I get good mileage with responsible use and tapping fluid.

Now I think its safe to lay off and buy just individual taps as I break them.
09-21-2015 10:05 AM
PTSchram I had Snap-On taps/dies before I bought the tool truck.

I'm of the opinion that 90% of the problems folks have with taps is due to poor drilling of the hole or poor technique.

I don't break many taps (but when I do, it's a part that the stock was expensive and the work extensive-LOL). I do however dull a lot of taps in the common sizes and for that it's nice to have them replaced under warranty (my Tool truck guy never questions MY warranties-LOL).

If you expect to dull thread cutting tools, the tool truck might be the way to go, but stay off the Harbor-Freight truck or Wal-Mart trucks!
09-21-2015 05:44 AM
speedfreak78
Quote:
Originally Posted by D60 View Post
No, I've never once tried form taps. Figured that was impractical for hand use, but apparently not? I'm pretty good at hurriedly reading the charts tho and mistakenly drilling at 60%
I'll do up to 3/8-16 in alum by hand. I've done 1/4-20 in steel..it works but it's a workout for your wrists. I like the fact they are solid and less likely to snap, especially if you have an oops and slip or cock the tap. Hole size can be a little F'ed up as well and still get an acceptable tread, unlike cut taps where once the material is gone, it's gone. I like moly based lubes, like Castrol moly-dee, for the steel..plus i like the smell.
09-20-2015 12:53 PM
[486]
Quote:
Originally Posted by speedfreak78 View Post
Anyone use form taps at home? Not quite as easy to use by hand but a much stronger thread. I like em for the fact there's no chips.
I do with the smaller ones like 4-40, and 2-56
Run them by hand with good GL5 hypoid gear lube for oil. They seem to work very well, and at least for 4-40 the drill size is a fractional one rather than a number or letter.
09-20-2015 08:11 AM
D60
Quote:
Originally Posted by speedfreak78 View Post
Anyone use form taps at home? Not quite as easy to use by hand but a much stronger thread. I like em for the fact there's no chips.
No, I've never once tried form taps. Figured that was impractical for hand use, but apparently not? I'm pretty good at hurriedly reading the charts tho and mistakenly drilling at 60%
09-20-2015 08:07 AM
D60 ^^^^pfft, Delrin's one of the better ones. Try it w UHMW, your hour of deburring would double LOL. There's another Delrin piece where they call out a 0.010 radius on an edge. Uh huh, that's code for "hit it w a needle file and call it good." At least Delrin kind of files, UHMW just kinda bounces off.
09-20-2015 08:00 AM
speedfreak78 Anyone use form taps at home? Not quite as easy to use by hand but a much stronger thread. I like em for the fact there's no chips.
09-20-2015 07:58 AM
speedfreak78
Quote:
Originally Posted by D60 View Post
Good to know, I'm often bad about following up on these nuances; I just buy quality -- if it works I get the job done & move on. But paying attention to such things is NEVER bad & knowledge is power. I've often wondered if hand taps need soooo much taper at the start, and am definitely guilty of sanding down the noses to make a plug or bottoming tap -- seems to work (shrug)
I've always ground the nose off taps, even at work when power tapping with a machine. As long as you leave a couple lead in threads it's not an issue.

Quote:
Originally Posted by D60 View Post
Slightly related to tapping, one of my least favorite jobs involves tapping a shallow, blind hole M3x0.5 in Delrin. Shit, it's hard to know if you've bottomed before you strip out the plastic. But I learned the hard way on a part that I already had many hours in, and developed a feel for it very quickly after that LOL

M3 in delrin..lol.what a PITA. Drill an undersized hole you can run a screw/bolt into, it'll thread itself...lol I worked at a place we made delrin pump housings..20 mins of machining, an hour of deburring. I had a deep hate for delrin after that job.
09-19-2015 10:58 PM
[486]
Quote:
Originally Posted by D60 View Post
I've often wondered if hand taps need soooo much taper at the start, and am definitely guilty of sanding down the noses to make a plug or bottoming tap -- seems to work (shrug)
Whenever I break a tap, it gets ground into a bottoming tap on the bench grinder.

Another cheap bastard tip, toss a chainsaw sharpening wheel (3/16" or so thick, dressed to a radius) into a cheapo bench grinder, and run it down the flutes on the cutting side, takes about 30 seconds to make a dull tap cut like brand new again.
09-19-2015 10:06 PM
BigBlue&Goldie I wouldn't waste your money on truck brand tap/die sets as most of them are just relabeled carbon steel Irwin/Hansen sets. Like others have said, go on ebay and look for a USA made Craftsman HSS set. As you break or wear out taps, replace them with a higher quality from MSC or McMaster.
09-19-2015 01:01 PM
steve83 I'm pretty happy with my big Craftsman set, but when they do wear out or break, I've started buying the 3-tap Irwin sets on Amazon. It's about the same price for a taper, plug, & bottoming tap as a single taper locally, of any brand.
http://www.amazon.com/dp/B003K15EQG/

...and they're made in USA.
09-19-2015 12:35 PM
D60
Quote:
Originally Posted by [486] View Post
Crappy hand taps is what I have hate for. When they've got too much relief angle from the cutting edge they'll fold over the chip you're trying to break, it wedges in there and pops off a tooth that then digs in and snaps off the tap.

Look at a decent one and it'll have next to no relief angle at the cutting edge, so that it snaps the chip off cleanly without wedging it between the hole and the tap.
Good to know, I'm often bad about following up on these nuances; I just buy quality -- if it works I get the job done & move on. But paying attention to such things is NEVER bad & knowledge is power. I've often wondered if hand taps need soooo much taper at the start, and am definitely guilty of sanding down the noses to make a plug or bottoming tap -- seems to work (shrug)

Slightly related to tapping, one of my least favorite jobs involves tapping a shallow, blind hole M3x0.5 in Delrin. Shit, it's hard to know if you've bottomed before you strip out the plastic. But I learned the hard way on a part that I already had many hours in, and developed a feel for it very quickly after that LOL
09-19-2015 12:11 PM
[486]
Quote:
Originally Posted by D60 View Post
I've never experienced hate for hand taps, they work fine if quality and you understand how to use them, ie in a turn, back out 1/2 turn.
Crappy hand taps is what I have hate for. When they've got too much relief angle from the cutting edge they'll fold over the chip you're trying to break, it wedges in there and pops off a tooth that then digs in and snaps off the tap.

Look at a decent one and it'll have next to no relief angle at the cutting edge, so that it snaps the chip off cleanly without wedging it between the hole and the tap.
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