Bit the bullet and got Mac Cobalt drill bits. Each and every one

These super cobalt hi-speed jobber length aircraft drill bits feature heavy duty construction to Type J aircraft specifications. Use to drill hard,

Aircraft Grade Super Cobalt Drill Bits

10PCS 5/64 Cobalt Drill Bit Set M35 HSS Jobber Length Twist Drill Bits Tools

MAXIMUM Cobalt Drill Bit Set for Wood, Metal, Plastic, 13-pc

10PCS 1/8 Cobalt Drill Bit Set M35 HSS Jobber Length Twist Drill Bits Tools

BENCHMARK 1/32 Cobalt Drill Bits

Skil 45173 13 Piece 1/4 to 5/64 Twist Drill Bit Set

Cobalt Drill Bit Set

Made with a high speed steel core, perfect for drilling sheet metal. Penetrates metal 3 times faster than non-coated high speed steel drill bits.

1/8 Double Ended High Speed Steel Stubby Drill Bits with Titanium Coating (12 Bit Pack)

Drill Bits

8 Pc Silver And Deming Drill Bit Set High quality HSS material construction. Black and gold surface treatment holds lubricants for smoother drilling.

8PC HSS Cobalt Silver & Deming Drill Bits Set, Large Size 9/16 to 1, Reduced 1/2 Shank by MOLLER

Which is better, cobalt or titanium drill bits? - Quora

Which COBALT Drill Bit Is Best? Find Out! (Milwaukee, Drill America, Bosch or Dewalt)