This 3-flute step drill M5-20 is a top-quality step drill bit. It features a Titanium aluminum nitrate (TiAIN) coating, providing robust, high-performing durability. Additionally, its spiral flute design creates a smoother, faster, and cleaner drill, with the added benefit of allowing resharpening.

Sizes (mm)

• 5
• 7.5
• 10
• 12
• 14
• 16
• 18
• 20