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Author Topic: Drill bits worth having.  (Read 5426 times)

Offline pep

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Re: Drill bits worth having.
« Reply #15 on: July 05, 2020, 08:37:55 PM »
Quote from: Matt_T on July 05, 2020, 05:37:37 AM
Quote from: J.A.F.E. on July 05, 2020, 01:27:21 AM
31/64 is needed for 9/16-12 and 33/64 is needed for 9/16-18. No set is complete without them.

So he needs the 30 piece set :lol_hitting:

For tapping it's best to buy the individual sizes you need rather than a fractional set. The correct tap drill will be a number or a letter more often than not. I've got sets of jobbers but I mostly run screw machine length drills.

I agree buy them as needed
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Offline TexasT

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Re: Drill bits worth having.
« Reply #16 on: July 11, 2020, 11:07:30 AM »




Some #7 bits  and 1/4-20 taps to do a little project i'm working on.

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Rich

Online gtermini

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Re: Drill bits worth having.
« Reply #17 on: July 11, 2020, 11:24:51 AM »
Nachi drills are the best on the planet. Precision Twist cobalt are honorable mention for price/availability vs toughness.

I have a pet Nachi 'F' screw machine drill that I used daily in the shop that is closing in on 100k holes drilled.
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