Solid Carbide Multi Step Drills for Multi Step Hole / Through Hole Chamfering
Application:
Suitable for multi-step holes and through-hole chamfering.
It is recommended to regrind 3-5 times.
Feature Advantage:
Straight grooves and spiral grooves are available for different materials to be processed.
For different equipment, there are internal and external cooling options.
The ultra-fine alloy matrix with good strength, toughness and wear resistance combined with the nanostructured TiAlN coating optimized for drilling ensures the high toughness and strength of the tool.
The unique coating process gives the tool a smooth surface and extremely high wear resistance.
Outstanding thermal stability and chemical stability provide effective protection for the cutting edge.
Customized sizes according to customer requirements.
Technical Information:
Typical application of solid carbide drills:
Small diameter hole
Tight or precision tolerance hole
The hole shorter than a deep hole
Chip formation and chip evacuation are important issues in drilling. It depends on the workpiece material, blade geometry selection, coolant pressure, capacity, and cutting parameters.
Chip clogging can cause the drill bit to move radially and affect hole quality, bit life and reliability.
The drill bit is mounted on the shank chuck and its circumferential runout must be less than 0.02 mm.