8PCS 200mm Straight Twist Drill Set Lengthened Twist Drill Set Tool 4-10mm Used for Wood Plastic and Aluminum

WIDELY USED: The drill bit kit is very suitable for most drilling operations and aluminum wood plastic and other materials or your daily use of drill bits. HIGH SPEED STEEL: These drill bits are made of high quality material which has higher hardness and durability and is more wear-resistant and durable than other metal materials. EXTRA-LONG LENGTH: The length of the drill bit has better stability and balance during fast operation to ensure a complete position. SHARP DRILL BIT: The drill bit is very sharp which will make drilling easier and easier. Working principle: The tool for drilling round holes of the workpiece by rotating cutting relative to a fixed axis is named because its chip flutes are spiral and shaped like twists. Twist drills can be clamped on manual or electric hand-held drilling tools or drilling machines lathes milling cutters and even machining centers. Type: twist drill Diameter: 4mm 4.2mm 4.5mm 5mm 5.2mm 6mm 8mm 10mm Length: about 200 mm colour:Silver Material:High speed steel Package Contents: 8 x drill bits Only the above package content other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.