29Pcs cobalt drill bit set 135° tip w/ indexed case
Cobalt HSS drill bit set with 135° split point and sharp, fully ground edges. Features rust and wear resistance with a round straight shank and self-centering design. Customers note high quality and sharpness, though some report durability concerns with steel drilling
Highlights
- 135° fast cutting point
- black and gold finish with corrosion resistance
- metal indexed storage case
Pros
- 135 degree split point for centered entry
- rust and wear resistance finish
- self-centering design reduces walking
- fully ground twist design improves cutting
- indexed storage case for organization
Cons
- mixed durability reported on steel
- some missing bits in sets
Best For
Features
- Cobalt drill bits with black and gold oxide finish for corrosion and wear resistance
- 135-degree split point for self-centering and easier penetration with less pressure
- Fully ground drill bit with sharp cutting edge and twist design to evacuate chips
- Round straight shank for compatibility with standard drill chucks
- Suitable for drilling stainless steel, cast iron, alloy, wood, and hard plastics