17.5mm Reduced Shank Drill Bit, 1/2” Shank High Speed Steel Twist Drill Bit HSS 9341 for Aluminum Plate Copper Wood Stainless Steel
- Material: High speed steel 9341 is designed to ensure sharp and fast execution in metal surface for clean results. .
- Nitriding surface treatment makes it durable and can withstand heavy duty operation for long service. .
- Precision ground with geometry of 118 degree split point for quick penetration and accurate start-up. .
- Suitable for drilling various materials such as die steel, l-beam, channel steel, ordinary steel, aluminum, copper, wood, stainless steel..