Review on High-Heat-Resistant 14Mm Cobalt Steel Drill Bit With Straight Shank For Cutting Stainless Steel And Cast Iron - 1Pc, Grade M35 HSS-CO With 5% Cobalt Content by Joshua Days

Name: High-Heat-Resistant 14Mm Cobalt Steel Drill Bit With Straight Shank For Cutting Stainless Steel And Cast Iron - 1Pc, Grade M35 HSS-CO With 5% Cobalt Content
Item: High-Heat-Resistant 14Mm Cobalt Steel Drill Bit With Straight Shank For Cutting Stainless Steel And Cast Iron - 1Pc, Grade M35 HSS-CO With 5% Cobalt Content
Rating: 5

June 12, 2023

Sharp! Needed to move it to my Grizzly radial, too much bite for my table top drill to handle.

Like the very sharp cobalt edge. Using it to drill articulation holes for tracking solar array linear actuator mounts. No rating on longevity, that takes usage and the passage of time to determine.

Pros

As advertised

Cons

The 14mm size may not be suitable for all drilling needs, limiting its versatility

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