MILWAUKEE Shockwave stepped drill bit set, 3 pcs, 4-12 mm/1, 4-20 mm, 4-30 mm

Execution

• The use of coolant is recommended to increase the service life.
• Centre punching, drilling and deburring in one step
• Rapid Strike drill tip for easier centring - no "wandering" of drill bit and fast drilling progress without the need for pre-drilling.
• Special drill tip and a special step geometry enable chatter-free drilling. Reduced risk of tilting or deformation of the material to be drilled at high speeds
• Optimised two-spiral geometry with sharpened edges for up to 2x faster drilling progress
• Manufactured from special steel with black oxide coating for up to 4x longer service life.
• Optimised for use in cordless tools.
• Laser marking of diameters for long-lasting readability.
• Each step is relief ground for optimal drill feed and automatic deburring.

Advantage

• Shank with three clamping surfaces for secure retention in the drill chuck and optimal power transmission.