M35 Cobalt Drill Bit Set, 29Pcs High Speed Steel Twist Jobber Length Drill Bit Kit for for Hardened Metal, Stainless Steel, Cast Iron, Wood and Plastics with Index Storage Case, 1/16" - 1/2"

These seem like high-quality drill bits. I’ve only used them a few times, but they work perfectly. I like the storage case they came in as well.

The bits are sharp and work well. I love the container they came in

Cut well and are less brittle than the M42's.

ROGAPER 145Pcs Cobalt Drill Bits Set ROGAPER 145Pcs Cobalt Drill Bits Set5 stars for bits and 3 stars for tool box. All top bits fell out...very difficult to resort.. I used putty to prevent another spill. Replaced with longer bolt and same nut to actually hold upper top bit tray in...as it was not attached when manufactured...bad assembly.. see pics. Rather than take advance to Amazon's top class customer centric return policy, I fix, repaired, improved bit tool box.

Noticed immediately a great difference in the cutting ability of these bits. Incredible cutting!

Ad said cuts hard metal, piece of 3/16" angle iron could not be driller with the largest bit. Also no 1/2" bit, 2 smaller ones.

High quality product at very fair price. Worked great in .marine stainless

So far these bits are amazing. I’ve only drilled mild steel and some stainless either them but they’re still just as sharp as when I bought them