Cobalt High Speed Drill Bit Set Twenty Pack One Eighth Inch Hex Shank Jobber Bits For Hardwood Aluminum Metal Copper Alloyed Steel M35 Cobalt HSS Built Tough For Pro Grade Drilling

Twenty-Piece 1/8 in Hex Cobalt HSS Drill Bit Set
✔️ 1/8 in bits on M35 cobalt HSS with quick-change hex shank

This twenty-piece drill bit set uses M35 cobalt high-speed steel to deliver durable, high-precision cutting for metal, wood, aluminum, copper, and plastic. The 1/4 in hex shank allows quick bit swaps and handles high torque, making it a solid choice for pros and serious DIY projects.

✅ Diameter: 1/8 in (3.175 mm)
✅ Shank: 1/4 in hex for high torque transmission
✅ Material: M35 cobalt high-speed steel (HSS) for durability
✅ Point: 135-degree split point reduces wandering and starts cuts cleanly
✅ Flute: Parabolic design enables rapid chip removal and cooler operation
✅ Quick-change: Efficient tool swaps with the quick replace design

💡 What is a cobalt HSS drill bit set best used for in metalworking?

Handy for tough drilling jobs where long life and steady starts matter.

• Long-wear cutting edges resist heat and wear in steel, aluminum, copper
• Hex shank keeps a solid grip in chucks under high torque
• 135-degree point with parabolic flutes optimize start and heat management