1 piece Extra Long High-speed Steel Drill Bit Sets Straight Twist Drill 14mm-20mm - as shown 18mm

Description: Made of high speed steel construction for proven capability and durability. Twist design: increases cutting speed with self-centering and prevents walking clears chips and particles faster Suitable for all kinds of stainless steel ordinary steel angle iron aluminum copper wood and other materials drilling. For precise drilling electronic assembling tool making model making jewelry engraving and hobbies. Set includes: 14mm 15mm 16mm 17mm 18mm 19mm 20mm Specification: Material: high speed steel Size Chart: Size: 14mm/0.55inch 15mm/0.59inch 16mm/0.55inch 17mm/0.63inch 18mm/0.71inch 19mm/0.75inch 20mm/0.79inch Package Includes: 1 Piece Twist Drill Bit