types of metal drill bits

8 Types of Metal Drill Bits

Metal drill bits are essential for metalworking. Different types of metal drill bits are available for different tasks. These types have various diameters, structures, shapes, and point angles which is …

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spotting hole drill bit

What is a Spotting Hole Drill Bit?

A spotting hole drill bit can be named a hole starting drill bit. Both are similar tools. It has a tight tolerance point geometry with a very short flute length.  Spotting …

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metal drill bit set

7 Types of Drill Bit Materials

Drill bit materials are very important in metalworking. Because we should always use harder material than the workpiece. Material hardness is measured by the HRC (Rockwell hardness values). Higher HRC …

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