Spiral Screw Metric Composite Tap Drill Bit

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 6 SIZES – 3mm, 4mm, 5mm, 6mm, 6.5mm, 8mm, 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.