7pcs HSS High Speed Steel Twist Drill Bit Set, 3 4 5 6 7 8 10mm, with Hex Key

General Description: Twist drill bits are designed for precise and fast drilling thanks to their three-point centering, which reduces the risk of slippage and misalignment. Made of high-speed steel, they offer excellent wear and heat resistance, ensuring optimal durability. These bits are suitable for drilling materials such as wood, plastic, steel, and aluminum. Technical Specifications Material: 4241 High-Speed Steel Type: Three-Point Wood Drill Bit Dimensions: 3mm (Dia) x 60mm (L), 4mm (Dia) x 75mm (L), 5mm (Dia) x 85mm (L), 6mm (Dia) x 93mm (L), 7mm (Dia) x 10mm (L), 8mm (Dia) x 11mm (L), 10mm (Dia) x 12mm (L) Handle Features: Round Handle Surface Treatment: Natural Color Compatibility and Accessories Compatible with hammer drills and bench drills Included: 7 spiral wood drill bits, 1 L-shaped wrench Installation Use the L-shaped wrench to adjust the drilling depth of the bits Application Ideal for drilling hardwood, cork, and aluminum Designed for rapid chip removal thanks to their large flutes Allow for efficient chamfering with their cutting edges cut