LingGan 5mm Metric M35 Cobalt Steel Extremely Heat Resistant Twist Drill Bit
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About LingGan 5mm Metric M35 Cobalt Steel Extremely Heat Resistant Twist Drill Bit
Overall Feedback:
88% positive
89% appreciated its precise drilling accuracy
I drilled 12 clean holes through the second layer just as easily as the first. The inserts fit snugly in the perfectly sized holes.
I was pleasantly surprised to find a split point 135degree cobalt drill, similar to what I use in my professional aerospace work.
86% praised for its fast drilling speed
I noticed that the drill bit went through the second layer as easily as the first.
The drill bit went through the second layer as easily as the first.
86% liked its long-lasting durability, but 14% experienced frequent breakage
I found a split point 135degree cobalt drill bit, which is similar to what I use professionally in aerospace work, and was pleasantly surprised.
After grinding the shank, the drill bit works well now, but there may be a slight wiggle.
87% liked the comfortable grip design
This drill bit is the correct size for drilling holes for a GM truck roof rack and Rivnut inserts.
