JONMON 10 Pack 3-13mm Titanium Coated HSS Serrated Twist Drill Bits Set

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High Quality - These are made of HSS material with titanium coated, drill bits body edge sharp, faster with less effort. Fully ground spiral groove design quickly decreases friction and heat for a faster and cooler drilling performance.
135 Degree Split Point - The 135 ° split point with straight shank prevents walking, the sharp edge makes drilling faster and more effective.Good addition to your drill bit collection.
Work Efficiently - The sharp serrations belt design can continue to drill horizontally after drilling.The round shank is suitable for electric drills and bench drills and is fastened without slipping.
Including 10 Sizes - 3mm, 4mm, 5mm, 6mm, 6.5mm, 7mm, 8mm, 9mm, 10mm, 13mm, which can meet your daily need. Fits most of power drill and come with a portable plastic bag for easy storage and organization.
Wide Application - Suitable for pulling groove, boring or cutting 1mm-2mm of thin wood, solid wood, multilayer board, MDF, plastic board, aluminum, thin iron sheet, aluminum alloy.