Amazon.com: Customer reviews: Jancy Slugger Carbide-Tipped Annular Cutter, Uncoated (Bright) Finish, 1/2" Shank with Flats, 1" Depth, 1-1/8 " Diameter

Top positive review

Fast Clean Holes from my old drill press.

Reviewed in the United States on August 11, 2016

I use the 11/16" size for holes through 5/16" to 1/2" thick mild steel that a 5/8" bolt has to fit through. Running a floor model drill press that is pretty loose.
These are a good solution for being able to use in your drill press. I have to do many holes and found often times the "slug" would not drop out when it breaks through, and it would be stuck on the tool needing me to turn off the drill press and dig it loose. Solved that issue by drilling 2/3 way through and then flipping the work over. Completing the cut from the other side. It still sometimes sticks on the tool, but enough of the slug is showing that I grab it with a pliers while it still running and it comes right off. A bonus of doing it like this is it leaves the hole absolutely "burr-free on" both sides. I run it at 150 rpm. it cuts plenty fast.
The carbides last well so as long as you are smooth and deliberate. Do NOT stack multiple layers to cut. The 1st layer slug will spin and shatter your carbides in a quick instant.

One person found this helpful

Top critical review

Critical reviews›

Derrick

Tool is great, if amazon sends you the right one

Reviewed in the United States on January 4, 2018

5 stars for the tool, it really works great. I’ve ordered several and they really excel on harder materials that usually wear normal bits out. Really useful for ring making too for all you machinist ring makers out there.

1 star (0 if I could) for amazon sending the wrong item to me multiple times and then charging me for the replacements even though I sent them back with their own return label exactly as they asked me to.

38 total ratings, 27 with reviews

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From the United States

Pro Fabricator

Fast Clean Holes from my old drill press.

Reviewed in the United States on August 11, 2016

Verified Purchase

One person found this helpful

Helpful

Eric Ross

Great product so far, however caution to those not "in the know" about proper use

Reviewed in the United States on October 26, 2018

Verified Purchase

So first of all the product is great. I have drilled a total of 100+ holes in 11 ga and about 10 holes in 1/4 inch mild steel plate. But... the bit is now dull, due to operator error.

I had been utilizing a speed that was way too fast for the task. I thought my drill press was set slower than it was actually configured for. I was running at about 750 RPM which is way too fast. After lowering the speed it cuts much better, even dull.

I have purchased another cutter and will send the one I screwed up in to get it sharpened. Live and learn.

Helpful

L. B. Glass

Amazingly good when you can't get to the other side of the metal

Reviewed in the United States on April 9, 2019

Verified Purchase

A hydraulic punch is the best tool for punching holes in sheet metal, but sometimes you need to go through thicker steel or can't get to the other side of the metal. In that case, this is far and away the tool of choice. Much better than any conventional hole saw. It's also the only brand of annular cutter I could find, anywhere, that doesn't require a Weldon-style magnetic chuck (which is only found on bench drills, not on hand drills.) Works AMAZINGLY well in a battery powered or line powered hand drill, even at relatively slow speeds. Highly recommended.

One person found this helpful

Helpful

Dewayne sullivan

Perfect quality bit! !!

Reviewed in the United States on March 2, 2017

Verified Purchase

Drilled 114 holes in 11ga square tubing. Took around 30sec per hole with my old drill press that the belt kept slipping on. No sign of wear on the bit after finished. Perfect holes. The spring popped the Slugs out every single time. Couldn't be happier with this bit! !! This is the 11/8" diameter.

Update: Another 200 holes with this same bit. Put new belts on the drill press and now it's cutting at 24 seconds a hole and it's still slipping a little. Still no hung slugs, popped every single one out and still going strong. Can't say enough good things about this product!!!

2 people found this helpful

Helpful

David Stout

These rock. Buy them

Reviewed in the United States on September 11, 2019

Verified Purchase

Works like a hot knife thru warm butter. Couldn't be happier with these. Used in 3/4hp drill press at about 520 rpm while dripping cutting oil on manually. 4x4 1/4 steel square tube. Drill had no problems with it as compared to trying to use a HSS twist drill bit where it would bog down and sometimes seize up. Don't know how long they'll last, but for how well it drilled the ones I needed, it's already paid for itself

Helpful

Craiger

Best drill bit ever

Reviewed in the United States on September 16, 2019

Verified Purchase

If you need to cut large holes in heavy steel, then an annular cutter is the way to go. I needed several holes in 3/8" plate so I thought I'd give the Jancy Slugger Carbide=Tipped Annular Cutter a try. Unbelievable result. Cuts like butter! My complete job was done in minutes, a real time saver.

Helpful

Dan

Beastly

Reviewed in the United States on January 28, 2020

Verified Purchase

This thing is incredible, it goes through 8-10mm of solid titanium easily! I’ve been going through tons of drillbits, sweat, and blood over the last year drilling titanium with regular bits slowly stepping up the size, but this saves all the work and trouble!

Can’t give this enough stars, I normally would have gone through 3-5 drillbits with the work it’s done already!

Helpful

Charles R Leininger

A very nice quality tool.

Reviewed in the United States on January 31, 2020

Verified Purchase

This is a very high quality tool. I drilled 14 holes through 3/8” plate today running at 250 rpm and using cutting oil .
The holes were very clean and accurate.

Helpful

Nathan G. Hicks

Very Expensive, but you get what you pay for

Reviewed in the United States on April 7, 2020

Verified Purchase

It costs an arm and a leg, I'm cheap, but this thing will knock some holes, I just have a real simple Delta Drill Press, it was through them in under a minute, just keep oiling it, and it eats.

Helpful

LTHudson

Works well but why don't they sell a 7/8" Dia?

Reviewed in the United States on February 17, 2014

Verified Purchase

I bought this bit to work in a hand drill for boring holes into steel beam flanges. It has preformed well, staying sharp with the
stick coolant [however the coolant is very expensive]. This bit allows me the ability to drill holes
without having to buy an expensive magnetic drill [a $500 to $1500 tool]

Regret it isn't offered in 7/8" dia.

2 people found this helpful

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Jancy Slugger Carbide-Tipped Annular Cutter, Uncoated (Bright) Finish, 1/2" Shank with Flats, 1" Depth, 1-1/8 " Diameter

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Jancy Slugger Carbide-Tipped Annular Cutter, Uncoated (Bright) Finish, 1/2" Shank with Flats, 1" Depth, 1-1/8 " Diameter

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Customer reviews