Author Topic: Better drill bits  (Read 908 times)

Offline pepi

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Better drill bits
« on: May 02, 2017, 06:45:18 PM »

Shopping around for some good drill bits, does anyone have knowledge or experience with this manufacture?



http://www.wintersdrillbitcity.com/

Greg
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Offline BoredMechanic

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Re: Better drill bits
« Reply #1 on: May 02, 2017, 08:14:44 PM »

Shopping around for some good drill bits, does anyone have knowledge or experience with this manufacture?



http://www.wintersdrillbitcity.com/

Greg

I have not heard of them. Norseman serve me very well daily. If you end up buying that brand please post a review. http://www.discountshoptools.com/Norseman-SP-29P-29-pc-Sraight-Shank-Jobber-Length-Drill-Set-NDT-SP-29P.htm;jsessionid=05503E16A988D2A08651B380052EFD73.p3plqscsfapp005

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Offline pepi

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Re: Better drill bits
« Reply #2 on: May 02, 2017, 08:53:02 PM »
Happy too, will see

Greg
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Offline Uncle Buck

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Re: Better drill bits
« Reply #3 on: May 02, 2017, 09:47:23 PM »
I found a good set of Norseman's at HJE too.  https://www.harryepstein.com/index.php/norseman-29-pc-drill-bit-set.html

Not a bad deal for USA made set with fraction, letter and number bits too! https://www.harryepstein.com/index.php/115-pc-high-speed-norseman-drill-bit-set.html

Could be helpful since you have a mill to use them in.
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Offline slip knot

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Re: Better drill bits
« Reply #4 on: May 02, 2017, 10:00:01 PM »
The winters site listed left hand bits. I've been on the lookout for a good set of left cutting bits. But they didn't list any prices?

I put a VFD on my drill press and a reverse was one of the reasons. grinx
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Offline Uncle Buck

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You boys better hold on cause i'm gonna have to stand on it!

NEED A 1/2" BONNEY STREAMLINE COMBINATION AND ANY OVER 13/16" TOO!



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Offline Uncle Buck

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Re: Better drill bits
« Reply #6 on: May 02, 2017, 10:35:52 PM »

Shopping around for some good drill bits, does anyone have knowledge or experience with this manufacture?



http://www.wintersdrillbitcity.com/

Greg


Probably decent quality bits sets Greg as long as they are not priced in the clouds.  shrugx shrugx shrugx
You boys better hold on cause i'm gonna have to stand on it!

NEED A 1/2" BONNEY STREAMLINE COMBINATION AND ANY OVER 13/16" TOO!



Andrew Jackson quote: But you must remember, my fellow-citizens, that eternal vigilance by the people is the price of liberty, and that you must pay the price if you wish to secure the blessing.

Offline pepi

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Re: Better drill bits
« Reply #7 on: May 02, 2017, 11:38:04 PM »
Searching and using the words best drill bits, practical machinist popped up with a thread discussing the different manufactures.  Of, I'll call them high end drill bits, meaning 750 for a 3 size set. Now I'm not going to take a second mortgage for a set of bits, however this manufacture was mentioned as one to look into.

UB I did look at these, Norseman at HJE.

Greg
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Online Muddy

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Re: Better drill bits
« Reply #8 on: May 03, 2017, 05:45:00 AM »
"And on the 8th day, God looked down on his planned paradise and said, "I need a caretaker." So God made a farmer."

Offline gtermini

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Re: Better drill bits
« Reply #9 on: May 03, 2017, 11:06:24 AM »
Speaking from the machine shop side.

The best drills I have found hands down are Nachi Cobalts from Singapore (used to be Japan, but the quality is still very good). My current runner up, and easier to get/cheaper are Precision Twist Drill Co Cobalts (COO is Brazil I think). I can have the PT drills from MSC next day 95% of the time. $3-15 each.

The worst "mid-range" drills I had were plain black oxide Chicago-Latrobe. They couldn't hold an edge in 4140 alloy steel. Junk, and not cheap either.

I only buy screw machine length because it's rare to have to drill a hole more than 5X the diameter deep. Deep hole drilling (beyond 3X diameter) is a hole (hehe) different ball game. The stubby drills don't wind up and pop like a spring as bad when drilling tough material (inconel/stainless/titanium rotten stuff). That popping you hear is the cutting edge being jack hammered and destroyed.

The fancy color coatings are a joke unless you're running a CNC mill at max chip load and trying to eeek another 3 minutes of tool life.

I don't sharpen drills. The shop rate is $85/hr and spending even 2 minutes at the grinding wheel is more than a new drill costs, plus I guarantee it will cut oversize even if done on a dedicated machine. To match a factory quality split point requires a $10k drill grinder.

Greyson

Offline pepi

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Re: Better drill bits
« Reply #10 on: May 03, 2017, 11:47:30 AM »
Greyson,

I want to buy machine shop quality bits, the PT bits and the ones I ask about are of the same quality. The bits have flats on the fractional, wire and letter are round.

 Yeah I have the belief that the coating is not what it's cracked up to be......coatings wear off, how do folks miss that? Spend a little up front pays off down the road..

Thanks  Muddy, for the link those are interesting looking.....
Greg
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Offline platypus20

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Re: Better drill bits
« Reply #11 on: May 03, 2017, 05:02:25 PM »
Greg,

check out Drill America, I have tons of their taps and drills


https://www.drillamerica.com/
jack

Offline krusty the clown

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Re: Better drill bits
« Reply #12 on: May 03, 2017, 06:50:09 PM »
I have used snap-on's thunderbits for many years without complaint. I have also used the norseman sp's and found them to be very good. If i feel the need for a new set it will be the norsemans. I also prefer the 135 deg split point.

Offline slip knot

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Re: Better drill bits
« Reply #13 on: May 03, 2017, 11:54:10 PM »
I ordered the set of leftys from Drill America. Should be here next week. This is one tool I hope I don't need cuz that means I broke something. fishslap
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Offline pepi

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Re: Better drill bits
« Reply #14 on: May 04, 2017, 07:32:12 AM »
Jack,
Sure will thanks for the link...

Greg
Living in a van, under a bridge, down by the river

I do not prize the word "cheap." It is not a badge of honor...it is a symbol of despair.

The Garage Gazette

Re: Better drill bits
« Reply #14 on: May 04, 2017, 07:32:12 AM »

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