Thunderbit® T2HD Black & Bronze Jobber Drill Bit, High Speed Steel, #7, 3-5/8

Thunderbit® T2HD Black & Bronze Jobber Drill Bit, High Speed Steel, #7, 3-5/8" L, 2-7/16" Flute, 135° Point Angle

Marsoni

M251S

$76.91

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

Thunderbit® T2HD Black & Bronze Jobber Drill Bit, High Speed Steel, #7, 3-5/8" L, 2-7/16" Flute, 135° Point AngleUnique spiral flute design improves chip ejection and coolant flow Heavy duty core for increased strength and reduced breakage 135 self centering split point to prevent walking Black and Gold surface treatment for added lubricity and higher drilling speeds Jobber length for most general applications Specifications Material High Speed Steel Drill Size #7 Overall Length 3 5 8" Flute Length 2 7 16" Point Angle 135

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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

Lowell, 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