#12 Step Drill Bit, 7/8" - 1-3/8" , High Speed Steel

Marsoni

M251S

$138.19

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

#12 Step Drill Bit, 7/8" - 1-3/8" , High Speed SteelRapid Strike tip delivers faster, more accurate starts that generate less heat for longer tip life 3 Flat Secure Grip shank ensures a solid connection with the drill chuck Black Oxide coating cuts faster and produces less heat Specifications Material High Speed Steel Max. Drill Size 1 3 8" Min. Drill Size 7 8" Flute Type Straight Shank Size 3 8" Applications Metal & Plastic No. Of Steps 5 Coating Black Oxide Country Of Origin United States

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I bought this as I got a new one month old Roborock 10r. Comparing these with the original, the feeling of the products (the roller brushes, the filter, and the bag) feel the same. These supplies should last six months or so, so the price is good for the value. The tip I will give is when changing the mop, PULL THE EXISTING ONE SLOWLY! There’s cheapish adhesive from the factory and can easily come off the Roborock.

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Reviewed in the United States on May 4, 2025

Verified Purchase

Kindle Customer

Dallas, US

★★★★★ 1

Doesn't work with curvx

Size: 26 Pcs for Roborock Saros 10R

Bags dont actually fit the curvx

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Reviewed in the United States on February 7, 2026