about this item

6pcs/Set 10-25mm/0.39"-0.98" Boring Drill Bits Spade Paddle Flat Woodworking Wood Tools Kit

This set include 6sizes:10mm/0.39",12mm/0.47"k,16mm/0.62",18mm/0.7",20mm/0.78",25mm/0.98"

Widely used on drill presses or electric hand drills for woodworking boring holes.

The tool bit is made by high-carbon steel,its hardnes is HRC55-HRC60 by a special heat treatment

Spade bits have flattened blades with a sharp point that helps position and steady these bits.