Proxxon - Chuck for drill bits up to 1/4

Proxxon - Chuck for drill bits up to 1/4"

Marsoni

M251S

$29.30

Get it in 3 business days with 1 day shipping. Friday, May 29

Proxxon - Chuck for drill bits up to 1/4"Chuck for drill bits up to 1 4". For drill shank sizes from 1 64" to 1 4" (0. 5 to 6. 5mm) and maximum speeds up to 10,000rpm this chuck offers industrial quality with extra high speed accuracy. With 3 8" thread. For MICROMOT Bench Drill Press TBM 115. Including chuck key.

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
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After a month experimenting with my new Breville Barista Express, I finally decided that a few of the basic accessories actually would make a difference in my coffee, so I got this as well as a distributor tool, and there is a noticeable difference. I consistently get excellent extractions, where before, I would occasionally get a shot that clearly was not distributed and tamped properly. The price for these tools was combined, less than $30 and most definitely worth it!

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Reviewed in the United States on January 4, 2026

Verified Purchase

Bethany Clark

West Palm Beach, US

★★★★★ 4

Great to use, little difficult to put away

Color: Matte Black

It's a perfect wdt tool and works wonderfully for it's entended purpose. Great weight to it and the base, however the base to store it is very slim, making it difficult to replace once done.

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Reviewed in the United States on January 2, 2025

Verified Purchase

Lace

Phoenix, US

★★★★★ 5

Good

Color: Matte Black

This is used nearly daily, it’s been about a month, and I haven’t noticed the needles falling out. I didn’t research if these needles were the right size for perfectly distributed coffee, but it breaks up my clumps very easily and efficiently. I made a lot of changes for my new espresso machine that have improved my coffee, and I would guess this would definitely be one of them. If you buy a WDT tool, I did my research and I can’t complain about this one that I bought. It even came with replacement needles. Would buy again. It feels nice, and I even wipe the needles after each use with a wet and then dry towel, and they still stay in place. You can bend them if you want them angled or straight.

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Reviewed in the United States on March 11, 2024

Verified Purchase

Roy

Birmingham, US

★★★★★ 5

Works well

Color: Matte Brown

I bought these for my Flair Pro 3. It does help declump as expected.

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Reviewed in the United States on December 31, 2025

Verified Purchase

Dave King

Houston, US

★★★★★ 5

Wish I had one before

Color: Matte Black

Nice little tool. I never used one before and it does make a difference when evenly distributing the grounds and taking any clumps out. Would recommend.

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Reviewed in the United States on January 17, 2026