JEFE HEX 115 pcs cobalt drill bit set
M35 cobalt HSS drill bit set with 115 pieces in fractional, letter, and wire sizes. Designed to resist heat wear when drilling metal, cast iron, and stainless steel. Customer feedback highlights durability and value for money
Highlights
- 115-piece set with 5% cobalt
- includes 29 fractional sizes, 26 letter sizes, 60 wire sizes
- M35 cobalt HSS for heat wear resistance
Pros
- wide size coverage across fractional, letter, and wire sets
- cobalt-infused HSS for heat resistance
- durable tool storage case
- positive durability and edge retention according to feedback
- suitable for drilling metal and hardened materials
Cons
- mixed reviews on sharpness longevity
Best For
Features
- 115-piece set includes 29 fractional sizes, 26 letter sizes, and 60 wire sizes
- 5% cobalt content provides high heat resistance in HSS bits
- M35 cobalt HSS twist bits suitable for hardened materials like stainless steel
- 135-degree split point design helps prevent walking and maintains sharpness
- Durable indexed storage case organizes bits by size
