Description:
1. Made of high speed steel, toughness and hardness, not easy to crack, easy to remove shavings, drill hardening process improves the working hardness. Black oxide treatment on the surface is not easy to rust.
2. This twist drill is suitable for electric drills, manual electric drills, impact electric drills. Suitable for drilling and carving of stainless steel, iron, copper, aluminum alloy, wood and plastic.
3. The spiral flute design is adopted for quick cleaning of shavings. Sharp edge provides a smooth glitch-free cut. Removal of shavings is not easy to stick to tools.
4. Suitable for several kinds of cooling conditions, such as oil mist, water, oil, air cooled etc.
Specifications:
Shank Type: Round shank
Tool Flute Type: Spiral
Rockwell Hardness Grade: 63-66 HRC
Material: High speed steel 6542
Twist Drill Bit Diameter: 0.1 inch (3.9 mm)
Drill Bit Length: 1.8 inches (45 mm)
Shank Diameter: 0.15 inches (3.9 mm)
Overall Length: 2.9 inches (73 mm)
2 x High Speed Steel Twist Drill Bits