Precise 4 Piece High Speed Steel Combination Drill & Countersink Set

• Supplied in a plastic pouch for tool protection
• Produces countersunk drilled holes.
• Used when producing a center hole on a workpiece for turning & cylindrical grinding.
• Industry Standard: #1, #2, #3, #4
• Right Hand Cut
• 60 Included Angle.
• Hardness: 58 to 60 RC

High Speed Steel

Provides good wear resistance in mild steels and non-ferrous materials.