Grizzly T10439 - Carbide Insert CCMT Boring Bar Set, 4 pc.

Grizzly T10439 - Carbide Insert CCMT Boring Bar Set, 4 pc.

Marsoni

M251S

$152.77

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

Grizzly T10439 - Carbide Insert CCMT Boring Bar Set, 4 pc.T10439 4 Piece Carbide Insert CCMT Boring Bar Set These right hand indexable solid steel Boring Bars use 1 4" and 3 8", 80 diamond inserts and feature a negative 7 end and side cutting angle. Includes 3 8" x 6", 1 2" x 7", 5 8" x 8" and 3 4" x 10" boring bars. Set comes with Torx wrenches and fitted aluminum case with handle. Uses CCMT21. 51, CCGT21. 51, CCMT060204, or CCGT060204 for small inserts; and CCMT32. 51, CCGT32. 51, CCMT09T304, or CCGT09T304

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Unfortunately I ended up being very disappointed with this purchase, after about two weeks of use, it just stopped performing. Not sure what happened but it just stopped releasing the ball and I don't know why, it had no flexibility left to it. I'm not doing a very good job of trying to explain why it quit working but suffice it to say, it became useless after a couple of weeks. Broke my neighbors dog's heart, lol.

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Reviewed in the United States on November 20, 2025