RUKO HSS spiral fluted stepped drill bit set, sizes 0/9, 1 and 2.

The Ruko-101026RO 3-piece stepped drill bit set is designed to deliver superior performance in a variety of drilling applications. Made from high-speed steel (HSS), these drill bits feature ground and spiral CBN flutes, ensuring quiet and efficient operation. Their design optimizes chip flow, allowing for the effective removal of long chips and preventing buildup that can affect cut quality. Additionally, the drill bit's taper facilitates tool removal from the material, improving the user experience.

These drill bits are ideal for working with materials such as steel up to 900 N/mm², aluminum, brass, and plastics, and are also suitable for bronze and cast iron.

• Number of cutting edges: 2
• Coating: uncoated
• Spindle: 3-way clamping surface
• Cutting direction: right-hand cut
• Material: HSS
• Tolerance: working specification
• Tip angle: 118°
• Step angle: 90°
• Main application: 900 N/mm² steel, aluminum, brass, plastics
• Other applications: bronze, cast iron