About This

• ?륝-Profile Design?멐ZARC step drill bits feature a triple-flute design for increased stability, effectively reducing deviation during the cutting process. Additionally, the 'C-profile' cutting edge ensures smoother cutting and an increased cutting speed
• ?륪35 HSS Step Drill?멝35 cobalt high-speed steel, through heat treatment, achieves toughness and bending strength that surpass standard high-speed steel, making this step drill bit more suitable for cutting hard materials
• ?륚lTiN Coating?멣tep bits coated with aluminum titanium nitride, rated at 89HRC for exceptional hardness and thermal properties. This coating offers superior resistance to heat, wear, and corrosion, with high adhesion and low friction
• ?륬ineteen Step Sizes?멣piral flute design, featuring nineteen distinct steps, offers seamless and effective drilling across various thicknesses, eliminating the need for multiple bits. Includes from 1/4" to 1-3/8"
• ?륯lease Note?멝aterial thickness: Suitable for metal sheet up to 1/8" (3 mm) thick and stainless steel sheet up to 1 mm thick. Add cutting oil or use coolant during continuous operation. Due to the larger cutting angles, the startup speed may be slower

Overview

• Cutting Diameter : 1.38 Inches
• Finish Type : Titanium Nitride
• Shank Type : 3-Flat
• Brand : EZARC
• Tool Flute Type : Spiral