Infinity Tools Router Collet Reducing Sleeves, 1/2" Outside Diameter

$11.49 ~~$16.9~~ In stock

Precision Machined Router Collet Reducing Sleeve

Have a woodworking router that takes a 1/2" collet and need high quality replacements? Our router collet reducers work better than most thanks to multiple compression slots engineered into each sleeve. These slots allow each sleeve to apply the correct amount of pressure on the router bit and built-in flange they work in most standard routers. Available in 1/2" x 1/8", 1/2" x 1/4", 1/2" x 8mm, 1/2" x 3/8". Will not work with routers that only accept 1/4" shank router bits.

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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.6 / 5 · 5 reviews)

Penelope ★★★★★ Oct 22, 2026

Put a 1/4" bit in my 1/2" collet and it seated perfectly with zero wobble on the first try—the multipiece design holds it snug without any shims. I've used cheaper reducers before and they always left a tiny gap, but this one's fit is dead-on.

Nicholas M. ★★★★★ Oct 20, 2026

I was a little skeptical about these at first, but the precision machining is obvious—they seat perfectly in my 1/2" collet with zero wobble. Much better than the generic set I had before.

Evelyn B. ★★★★★ Oct 19, 2026

The fit on these reducing sleeves is spot-on, no wobble at all when I'm routing. The precision machining really shows the moment you seat the bit, and they’ve held up through a full day of work without any chatter.