DescriptionMaterial : Alloy SteelModel Number : L03323091600410Type : Hand Tool PartsOrigin : Mainland ChinaFeatures:* For wood and plastic.* Smooth counter can punch holes in an instant to save time and labor. The surface of the workpiece will be completely equipped with a nut.* Compale with mandrel drilling machine, can drill holes on wooden floor or wooden floor. It is recommended to use a center drill for positioning before drilling to maintain the drill bit* Vertical to prevent the drill bit from bending or breaking.Specification:Name: Carpentry counterbore drillMaterial: cutter head YG8 alloy, cutter body 45 carbon steel, surface spray plasticUses: used for wood, aluminum alloy screw countersinking, openingHandle diameter: 8mm / 10mmBlade length: 8mm / 10mmNote:1. Please allow 1-3mm difference due to manual measurement and slight color variation for different display setting.2. Due to the light and screen difference, the item's color may be slightly different from the pictures. Please understand.