Reduced Shank Twist Drill Bits 14mm HSS 4241 with 10mm 1Pcs

Features: Cutting diameter: 14 mm/0.55 inches; Shaft diameter: 10 mm/0.39 inches; Effective cutting length: 105 mm/4.13 inches; Total length: 160 mm/6.3 inches. HIGH SPEED STEEL TOOL: High speed steel straight shank tool is good for most general applications, offering a combination of hardness and toughness for wear resistance Reduced Shank: Reduced shank drill increases the size range capacity of a portable drill chuck. Common flute and total length for minimal adjustment when changing tools Black oxide finish: double black nitride coating can better apply the lubricant for smoother drilling and is more durable and corrosion resistant