Review on High-Quality 9Mm M35 Cobalt Drill Bit For Cutting Hard Metals - Straight Shank, Extremely Heat Resistant, And 5% Cobalt M35 Grade HSS-CO by Marco Carpenter

Name: High-Quality 9Mm M35 Cobalt Drill Bit For Cutting Hard Metals - Straight Shank, Extremely Heat Resistant, And 5% Cobalt M35 Grade HSS-CO
Item: High-Quality 9Mm M35 Cobalt Drill Bit For Cutting Hard Metals - Straight Shank, Extremely Heat Resistant, And 5% Cobalt M35 Grade HSS-CO
Rating: 4

June 27, 2023

Drill bit works OK but be careful

While the drill bit appears to be very durable, it comes sharpened with a very shallow angle. This makes is a challenge to get started in steel and to get a clean hole and exit. I would prefer a steeper angle with a bit more "bite". Also, the price was a bit high for a single drill bit - prior purchase of a pair of similar bits was same price but for 2.

Pros

As advertised

Cons

May not be suitable for softer materials such as wood or plastic

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Comments (1)

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Coby Hall

July 20, 2023

Worked OK to drill through 6062 aluminum. Didn''t drill a lot of holes but enough to know at least it''s not a garbage drill like some.

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