8PCS Extra Long HSS Twist Drill Bit Set High speed Steel Tools 4 10mm for Wood

Material: High Speed Steel. Containing Sizes: 4mm, 4.2mm, 4.5mm, 5mm, 5.2mm, 6mm, 8mm, 10mm. 1 pcs each size, different sizes of the most popular twist drill bits Extremely high hardness, in the drilling work has excellent processing performance, all grinding Pointed ligament sticky milling work hole Glossy no burr Pointed twisted drill bits will make the drilling easier and more effortless, extra long cutting edge allows you using these bits to drill deep holes Good toughness of materials, wear resistance, drilling ability. Apply to: Wood, Plastic and Aluminum Alloy Material Ideal for DIY, Home And General Building / Engineering Using