Twist Drill Bits Set, 13Pcs 1.5-6.5mm HSS Twist Drill Bit Titanium Coated Twist Drill Bit for Aluminum,Wood,Malleable, Deep Hole Drilling Positioning Holes Iron,etc: Industrial & Scientific. Twist Drill Bits Set, 13Pcs 1.5-6.5mm HSS Twist Drill Bit Titanium Coated Twist Drill Bit for Aluminum,Wood,Malleable, Deep Hole Drilling Positioning Holes Iron,etc: Industrial & Scientific. Suitable for aluminum, wood, malleable and deep hole drilling positioning holes iron. 。 Through heat treatment, stainless steel, tool steel, and other workpiece that are difficult to process, can be processed by these twisted drill bits. 。 High speed steel to obtain high hardness, high wear resistance and high toughness. 。 Can be used in manual, electric hand-held drilling tools, milling machines, lathes and more. 。 Sharp twisted drill bits will make the drilling easier and more effortless. 。 Description: 。 A twist drill is a tool that cuts a round hole of a workpiece by rotary. It is named after its flute shaped like a spiral. Twist drills can be used in manual, electric hand-held drilling tools, milling machines, lathes and even machining centers. The bit material is generally a high speed tool steel or a hard alloy. 。 。 Features: 。 1. Suitable for aluminum, wood, malleable and deep hole drilling positioning holes iron. 。 2. Through heat treatment, stainless steel, tool steel, and other workpiece that are difficult to process, can be processed by these twisted drill bits. 。 3. High speed steel to obtain high hardness, high wear resistance and high toughness. 。 4. Can be used in manual, electric hand-held drilling tools, milling machines, lathes and more. 。 5. Sharp twisted drill bits will make the drilling easier and more effortless. 。 。 Specifications: 。 Material: High speed steel 。 Surface Treatment: Titanium plating 。 Handle: Hexagonal handle 。 Quantity: 13pcs 。 Diameter: 1.5mm, 2mm, 2.5mm, 3mm, 3.2mm, 3.5mm, 4mm, 4.5mm, 4.8mm, 5mm, 5.5mm, 6mm, 6.5mm 。 Weight: Approx. 167g 。 。 Package Includes: 。 13 x Twist Drill Bits 。 。 。 。