You want to punch a hole in the middle of the board and keep it level to shape it

Main features
▶ 6 size combo set
Set of 6 tap bits in sizes to meet your diversified needs and improve work efficiency.▶ Bit set
The cobalt drill bit set for hardened steel has excellent cutting performance, the bit set can be used for a long time, the cutting edge is hardened and sharpened for sharpness, with superior sharpness, precise cutting without shaking.
▶ M35 Cobalt High Speed Steel High Speed Steel Drill Bit Set
6542 grade, harder than HSS 4241 used in other similar drill sets. These bits also contain 5% cobalt, which increases wear resistance and durability. ▶ Process
fully ground and 135 degree split point Fully ground spiral groove design rapidly reduces friction and heat for faster, cooler drilling performance. The 135 degree split point with straight shank prevents walking and makes drilling accurate and faster. A center punch is not required.
▶ Multiple application
suitable for cutting hard metal such as stainless steel, steel, and cast iron, as well as wood, aluminum alloy, and other softer metals, including tile, concrete, tile, brick, wood, plastic, glass, masonry, and more. .

 

specs