22mm(55/64-Inch) Reduced Shank Drill Bit, 1/2” Shank High Speed Steel Twist Drill Bit HSS-9341 for Aluminum Plate Copper Wood Stainless Steel

• Specific Size: Cutting Bit Diameter: 22mm(55/64”); Shank: 12.7mm(0.5”); Length: 148mm(5.8”)
• High speed steel (type: 9341) is designed to ensure sharp and fast execution in metal material for clean results.
• Surface treatment of nitriding makes it durable, withstand heavy duty operation for long service life.
• 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 or 1-3mm stainless steel.

Specification:   Product Name: Reduced Shank HSS Drill Bit   Drill Bit Diameter: 22mm/0.86"    Shank Diameter: 12.7mm/0.5"    Working Length: 72mm/2.83” Shank Length: 57mm/2.24” Total Length: 148mm/5.82"   Material: 4341 High Speed Steel   Weight: 222.9g   Package Content: 1 x Reduced Shank Drill Bit     Note:   1. When drilling, please ensure that the drill bit is installed in place without loosening.   2. Cutting speed should not be too high, to prevent burning, rate should not be too large, to prevent the drill wear.   3. Pay attention to safety during drilling, ensure protection.   4. As the manual electric drill is rotating too fast, please pay attention to speed regulation. The larger the drill diameter is, the slower the rotating speed is required.