Wood Drills Set

CA-7802

8PC Wood Drills Set

Different materials: black metal drill bits are generally used for drilling metals, and the material of the drill bits is generally high-speed steel. Drilling on general metal materials (alloy steel, non-alloy steel, cast iron, cast steel, non-ferrous metals) is used in conjunction with metalworking drill bits.

Drilling holes in wood materials, with the use of woodworking drills, woodworking drills have a large sales volume, and the tool hardness is not high. The tool material is generally high-speed steel.

There is a small point in the center of the tip of the drill bit, and the equal angle on both sides is relatively large, even there is no angle.

2. The design structure of the drill bit (point, edge, groove, shank, etc.) is different:

Drilling iron is generally pointed in the middle. This structure is relatively labor-saving, with large force when drilling, and wear resistance is conducive to feeding.

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