YATO Pyramid Drill Bit Set

• Product Description:
• The set contains 3 drills with diameters of 3-20 mm.
• Designed for drilling in high-quality stainless steel, construction steel, cold-rolled steel, non-ferrous metals, steel sheets, and plastics.
• Made of high-speed steel HSS 4241
• Drilled hole edges remain clean, free of burrs and fractures.
• Automatic centering on round and slippery surfaces, providing a center point.
• Fast heat dissipation when drilling in various materials. 

Technical Specifications:

- The set contains 3 drills with diameters of 3-20 mm.

- Drill bit 3-12 mm, steps: 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 mm
- Drill bit 4-12 mm, steps: 4, 6, 8, 10, 12 mm
- Drill bit 4-20 mm, steps: 4, 6, 8, 10, 12, 14, 16, 18, 20 mm