21.50mm Cobalt Jobber Length Metric Drill (1/2" Reduced Shank) 6 pack They have a 1/4" Hex

They have a 1/4" Hex Shank that can be used in quick change impact drivers

Thanks to its high red hardness

while the high red hardness allows for drilling speeds up to 30% faster than standard M2 HSS

The length between the chucking slot on the shank to the end of the shank is a standard 3/8"

The round shank fits various tool-holding systems

21.50mm Cobalt Jobber Length Metric Drill (1/2" Reduced Shank) 6 pack They have a 1/4" HexDescription Built for performance in tough jobs, this M35 cobalt drill bit (5% cobalt) is designed to power through high tensile materials like stainless steel, titanium, and inconel with ease. The 135 split point tip starts fast and drills true, reducing walking and ensuring cleaner holes. Thanks to its high red hardness, it runs up to 30% faster than standard M2 high speed steel, staying sharper even under intense heat. The reduced shank design