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

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

Mac Drill Bit Set Deals

Cobalt Drill Bit Sets - Bosch Professional

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)

Mac Drill Bit Set Deals

What kind of Drill Bits do I Need for Brick or Concrete?

What is the difference between a twist drill and a jobber length drill bit? - Quora

6mm Drill Bit

6pcs 1.0-5.0mm HSS TiN Coated Center Drill Bit Set 60 Degrees Combined Drill Bit Set Metalworking Hole Drill Hole Cutter - AliExpress

Cobalt Steel - Manufactured from M35 grade cobalt steel, with molybdenum and cobalt added to creates a hardened alloy, measuring Rockwell hardness up to 67, for much faster cutting and extra longer life span, with up to twelve times when compared with an average HSS drill bit. For Stainless Steel - Particularly successful in cutting through hard metals such as stainless steel and cast iron, although they can be used for softer materials, too. Not for hardened steel / high carbon steel.

Hymnorq M35 Grade HSS-CO 5/32 Inch Fractional Twist Drill Bit Set of 10pcs, Jobber Length Fully Ground Straight Shank, 5% Cobalt Heat Resistant, for