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Untrue spade bits

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Forum topic by JoshNZ posted 06-13-2017 12:45 AM 968 views 0 times favorited 32 replies Add to Favorites Watch
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JoshNZ

85 posts in 906 days


06-13-2017 12:45 AM

Topic tags/keywords: tools spade bits drill bent

Just bought a set of spade bits from the local hardware store in town and just about all of them seem untrue. I wanted to get a second opinion from you guys before I kicked up any stink about it. See attached video and tell me what you think please! Is this acceptable for spade bits? I realise they aren’t a precision tool but is this taking the piss?

Thanks!

https://www.youtube.com/embed/Y07Rz7v_GUk


32 replies so far

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JoshNZ

85 posts in 906 days


#1 posted 06-13-2017 12:47 AM

I should add I chucked up a high quality drill bit to check it ran true, and it did, and I chucked the spades in another drill to check I had the same problem, and I did :/.

View Jimintomahawak's profile

Jimintomahawak

57 posts in 312 days


#2 posted 06-13-2017 12:56 AM

It appears they are bent or your chuck may have problem. Since you checked multiple chucks bent is more likely. Check chucks with a steel dowel pin or twist drill to double verify chucks are ok.

-- Laziness drives creative thinking...

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TheFridge

8301 posts in 1323 days


#3 posted 06-13-2017 01:02 AM

I wouldn’t care one bit personally. A forstner or bit from a drill index I would.

-- Shooting down the walls of heartache. Bang bang. I am. The warrior.

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Sark

28 posts in 197 days


#4 posted 06-13-2017 01:05 AM

Yeah, cheap spade bits. I’d take them back. I find cheap spade bits are almost always bent and dull, and of soft steel. The local hardware may not have quality spade bits. But your hardware store probably has something you want so you can trade in on something of value, if they won’t just refund.

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JoshNZ

85 posts in 906 days


#5 posted 06-13-2017 01:11 AM

I have checked other bits in the chucks as I said, they do run true. It’s a dewalt drill, never had a problem with any other bits. I opened the kit and used the 16mm bit first and the whole drill/work piece chattered.

I will send the video to them and see what they think

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mudflap4869

1507 posts in 1296 days


#6 posted 06-13-2017 01:31 AM

I detest spade bits. I let my wife keep the ones she owns, but I stick to Forstner bits exclusively. They stay true even if they are gotten into a bit of a bind.

-- Still trying to master kindling making

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AlaskaGuy

3650 posts in 2146 days


#7 posted 06-13-2017 02:18 AM

Yes it could be the chuck. Watch this video.

https://youtu.be/a-PM2D2Vt7s

How ever it be this

They both make holes. A spade or paddle bit is about like a chainsaw, where a Fortsner bit is more like a table saw with a good blade. If you just need a hole, not very precise and spade bit will do, but if you need a consistent diameter hole with smooth sides, use the Fortsner.
If you are running wires through floor joists, that might be were you would use a spade bit. If you are making holes for dowels or round tenons that’s where the Forstner would be best.

-- Alaskan's for Global warming!

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AlaskaGuy

3650 posts in 2146 days


#8 posted 06-13-2017 02:39 AM

Deleted wrong website :)

-- Alaskan's for Global warming!

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BlasterStumps

400 posts in 276 days


#9 posted 06-13-2017 02:59 AM

That makes two of us that detest spade bits. I can do a fair job at sharpening Forstner bits so I think I will stick with them.


I detest spade bits. I let my wife keep the ones she owns, but I stick to Forstner bits exclusively. They stay true even if they are gotten into a bit of a bind.

- mudflap4869


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BenDupre

531 posts in 324 days


#10 posted 06-13-2017 03:33 AM

For spade bits try Irwin. Or Bosch makes a set that have the old school feed screw in the end. Haven’t tried them yet but looks like the sh!t. Anyhow… the thing with those spade bits is the point indexes it in the hole so it will probably drill true and maybe shake a little. I would bet the wobbliness you’re seeing might be an optical illusion.

Having said all that, fostner bits or augers are going to always perform better.

-- The problem with communication is the illusion that it has occurred. – George Bernard Shaw

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Dark_Lightning

2918 posts in 2945 days


#11 posted 06-13-2017 03:41 AM

Spade bits are for drilling holes in lumber that has no accuracy requirement, and that’s about it.

-- Random Orbital Nailer

View Ron Aylor's profile

Ron Aylor

1778 posts in 484 days


#12 posted 06-13-2017 11:21 AM



Spade bits are for drilling holes in lumber that has no accuracy requirement, and that s about it.

- Dark_Lightning

I disagree … but then again, I’m using a slightly different drill … SEE Here

-- Ron in Lilburn, Georgia.  Knowing how to use a tool is more important than the tool in and of itself.

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ScottM

565 posts in 1983 days


#13 posted 06-13-2017 01:23 PM

You said ”... bits from the local hardware store in town.” It wasn’t Harbor Freight, was it? I only buy drill bits there in a serious pinch. Gotten several that were all wonky out of the wrapper.

View WayneC's profile

WayneC

13751 posts in 3934 days


#14 posted 06-13-2017 01:27 PM

I would just use a bit brace. Not bother with spade bits.

-- We must guard our enthusiasm as we would our life - James Krenov

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BenDupre

531 posts in 324 days


#15 posted 06-13-2017 01:32 PM

These are 10 bucks. I havent yet but why dont you give them a try? They have a lead screw instead of a point like the old brace augers.

Bosch Daredevil

-- The problem with communication is the illusion that it has occurred. – George Bernard Shaw

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