WildBossy M35 5% Cobalt Metric Drill Bits Set (1mm-10mm/19pcs)
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Jobber Drill Bits
Experiential insights by users
About WildBossy M35 5% Cobalt Metric Drill Bits Set (1mm-10mm/19pcs)
Overall Feedback:
83% positive
77% appreciated its precise drilling accuracy, though 23% experienced deviation
I snapped a 5mm drill bit while drilling the first hole through generic aluminum, indicating poor accuracy of the jobber-drill-bits.
On the first use, the 5mm bit broke, indicating poor accuracy of the drill bit.
73% praised for its fast drilling speed, while 27% found it slow
I snapped the 5mm bit after drilling for about 1/8 inch.
I snapped a 5mm drill bit while drilling the first hole through generic aluminum.
73% liked its long-lasting durability, but 27% experienced frequent breakage
After drilling through approximately 1/2 inch of mild steel, the drill bit became hopelessly dull, indicating poor durability.
On the first use, the 5mm bit broke.
65% found it resistant to heat buildup, but 35% experienced thermal damage
I snapped a 5mm drill bit while drilling the first hole through generic aluminum, indicating that the drill bit may not be heat resistant.
On the first use, the 5mm bit broke, suggesting insufficient heat resistance.
71% praised for its versatility in drilling various materials, though 29% had difficulty with metal
I ordered both metric and American drills and found that they are not cobalt drills as advertised. The metric ones are labeled Co. but contain very little cobalt.
