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Blog entry by LJackson posted 03-08-2015 04:13 AM 1758 reads 0 times favorited 3 comments Add to Favorites Watch

So I’ve been doing a lot of screwing making 16 Izzy Swan style bar clamps. He uses two cordless drills, one with a drill bit in it, and another with a driver, so that he can quickly make holes and drill the screws into the wood. Me, I have to change bits. Additionally, I do not have a drill bit that both drills the appropriate hole and the counter sink in one. For me it is three bit changes per hole.

Then I remembered that I have a Makita hammer driver. I could use that for the driver part at least. But, it doesn’t have a chuck like a drill, but this funny 1/4 inch hex socket. It takes those hex bits with the cut out at the tail of them. But, all of my hex bits don’t have that tail. They press-fit into my manual screw driver.

While I was out at the box store, I decided to get an adapter with a magnetic end to hold those bits. What I bought, was this.

I got home, and tried to use it and found that my bits did not seat too deeply into the this thing, and the magnet wasn’t strong enough to keep them steady.

I was certain there was a fundamental flaw in the design of this thing. I went and looked up nut drivers, and when I saw a set of them, that’s when it hit me. Duh, it’s for nuts, not bits.

I don’t have any 1/4 inch hex nuts, but if I ever do, boy I know what to use on ‘em!

3 comments so far

View TheFridge's profile


10863 posts in 2939 days

#1 posted 03-08-2015 04:50 AM

I believe you are looking for a quick change but. Some screws have a 1/4 head. Not many.

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

View kiefer's profile


5852 posts in 4120 days

#2 posted 03-08-2015 05:08 AM

Just go and pick up some proper bits in the sizes you need but make sure they are rated for an impact driver ,
The bit adapter will just give you trouble and you may wind up with a broken shank stuck inside the impact driver chuck and they are hard to remove .


-- Kiefer

View waho6o9's profile


9194 posts in 4030 days

#3 posted 03-08-2015 05:44 AM

If your talking about a Makita impact then here’s what I’d do.

Pilot the hole with your drill use your impact and fasten Spax screws and

your done.

GRK screws work well and might be better if you want to bury the screw flush.

Both are now available at the big box stores. GRKs :

I think the Spax screws come with a number 10 torx. Not sure on the GRKs.

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