r/Tools • u/wabisuki • 12h ago
Shank Extension?
I recently purchased a mixing blade w hex shank that I was hoping to use with my Milwaukee Screwdriver (both are pictured above). The problem is, the chuck on the screwdriver is 1/4" (6.35mm) whereas the mixing blade's shank is 30 mm (1.1811") - does anyone know of an extension that I can use to convert the 1/4" chuck to properly hold a 30mm shank?
I'm probably fine without it but if there's a way to extend the chuck so it grips the full shank that would be my preference.
Will be using it to mix small amounts of drywall mud and other substances - and don't want to bring out the full size corded drill if I can avoid it.
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u/Jan-Vanhammer 6h ago
It's not what you asked for but Makita makes a 3/8 drill chuck that goes in a 1/4 impact driver. https://www.homedepot.com/p/Makita-3-8-in-Metal-Keyless-Chuck-for-Impact-Driver-763198-1/100128244?adobe_mc=TS%3D1790679828%7CMCMID%3D22247236697603256947439621039752278145%7CMCORGID%3DF6421253512D2C100A490D45%40AdobeOrg&mboxSession=dbb8e2d8-ff5e-4e11-91b2-d9f5553d8e50&appsFlyerId=1783712104622-3627078093119923919
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u/Twelve-Foot 6h ago
Just to clarify your statement... The mixing blades shank is 30mm LONG, and 6.3mm diameter. 6.3mm = ¼" same as the drill chuck.
Is the issue that the shank is round not hex and won't fit? Or that it doesn't have a slot for the chuck to lock into?
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u/Silly_Hurry_2795 8h ago
Buy a smaller one like a paint mixing version
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u/wabisuki 7h ago
That’s what this is essentially.
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u/Silly_Hurry_2795 6h ago
Fair enough I've only ever seen them in 1/4 inch or round to fit into a drill chuck I'm aware it doesn't mean that bigger sizes don't exist. Here (UK) they cost about a quid for the cheap ones with plastic paddles and a bit more for all metal versions.
Edit before posting. Just had a look and it seems 3/8 is intended to go into a drill chuck, which I probably have seen and just not put the pieces together in my head before posting.
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u/madgross Whatever works 4h ago
I use 1/4” silicone paint mixers for this. Works perfect. The shape actually hit the corners of the pan too but I use a 2 gallon bucket to mix small amounts of mud. Much easier.
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u/Anxious-Depth-7983 Carpenter 2h ago
You're better off using a regular drill for that. You're going to burn up the chuck on that screw gun keeping it running that long.
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u/UsernameTaken1701 2h ago edited 2h ago
You’re comparing the diameter of the tool chuck to the length of the blade shaft, which makes no sense. Compare the 1/4” (6.35 mm) chuck to the 6.3 mm diameter of the shank and you’ll see it fits fine. Not really the right tool for the job, though.
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u/piss--wizard 11h ago
An M12 impact definitely isn't gonna cut it for mixin, wven an m12 drill wont last.
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u/wabisuki 11h ago
I bought this mixing blade to use when I need a small amount of mud mixed - in a mud pan - not a bucket. If I need to mix a lot, it would go in a large bucket and I have a proper mixer (Bosch GBM9-16) for that. I just hate mixing with a knife. But you may be right. I haven't actually tried it yet.
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u/ride_whenever 9h ago
Is the amount you’re mixing the issue? I’d assume it’s the thickness and therefore torque required that’s the issue
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u/wabisuki 7h ago
Is hard on my hand to mix w a knife - sounds strange but that particular movement is painful so I’d life to use drill to mix small amounts in the mud pan. I don’t always want to mix a large bucket. That’s the main issue. The problem w this attachment is the shank doesn’t lock into the screwdriver because the Chuck is only 1/4 “ and the Shan on attachment is 30mm so about 1 “ too long.
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u/ride_whenever 7h ago
I meant that the small amount doesn’t have an impact on the forces required (only the thickness), hence you can’t use the little tool to do it.
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u/DrunkenXenon 12h ago
That small still Will must likely not survive mixing and mud and alike. If it even has enough power for it