Tebru 5Pcs Twist Drill Bit High Speed Steel Straight Shank Large Spiral Bits Drilling Accessories High Speed Steel Drill Bit Hand Electric Drill Accessories

Feature: 1. Straight Shank: These twist drill bits have extended straight shank and standard 5/16in diameter which is easy to use. 2. With Large Spiral Slot: The large spiral slot design makes the chip removal and drilling are fast which improves the work efficiency. 3. High Speed Steel Material: Made of high speed steel with high hardness and wear resistance after quenching and forging. 4. With 135° Edge Angle: The spiral drill bit has 135° fully grinding edge angle to ensure accurate positioning and glossy cutting. 5. For Drilling Metal Plates: Commonly used for drilling metal materials such as stainless steel die steel aluminum alloy cast iron etc. Specification: Item Type: Twist Drill Bit Material: High speed steel M2 Diameter: Approx. 8mm / 0.3in（5/16in） Blade Angle: 135° Quantity: 5Pcs Application: Commonly used for drilling metal materials such as stainless steel die steel aluminum alloy cast iron etc. Package List: 5 x Twist Drill Bits Note: 1. When drilling the drill bit and the stainless steel plate are perpendicular to 90°. 2. The electric drill chuck must clamp the drill bit to prevent it from falling off.