Name: Spade bit

Specification: 1mm, 4mm, 20mm, 22mm, 25mm, 32mm.

材质 :合金

Uses: wood drilling, cutting

The utility model belong to the woodworking cutting tool. The Spade bit shank and flat cutting head is composed of two parts, the cutting head is an isosceles triangle in the preceding paragraph, an isosceles triangle two waist that is cutting edge, cutting edge on the side of having a self tapping screw slot. The utility of reasonable structure, convenient processing, as a result of cutting edges with a self tapping screw slot, so that the cutting process more smoothly, reduce cutting resistance, improves cutting efficiency, which will significantly extend its life.

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