Drill Bit Material Chart

Cobalt hsco is considered an upgrade from hss because it includes 5 8 cobalt blended into the base material.

Drill bit material chart.

In order to create holes drill bits are usually attached to a drill which powers them to cut through the workpiece typically by rotation. If you are having problems with excessive heat build up or dulling of hss tooling you can try this type if drill to solve the problem. This is a great option for drilling into harder steel as well as stainless steel grades. That is because the coating is a hard ceramic material.

Style a charts provide decimal equivalents of fractions wire gauge drill sizes letter drill sizes and metric sizes. Drill bits come in many sizes and shapes and can create different kinds of holes in many different materials. Bits with steeper points such as those with 118 degree angles are. Style b charts provide a pipe tap drill chart as well as decimal equivalents of tap drill sizes fractions wire gauge drill sizes letter drill sizes and metric sizes.

It s used mostly for production drilling where a high quality tool holder and equipment is used. Also known as a core drill bit the annular cutter is used to cut a hole in such a way that the core of the material is left intact and then to retrieve the core from the material. They may require a pilot hole to keep the bit from wandering. For a typical drill bit the angle of the point helps determine what type of material the bit can drill.

Carbide carb is the hardest and most brittle of the drill bit materials. Bit for metal bits for metal cuts through steel are designed for heavy duty work and the most expensive of the drill bits. Titanium coated drill bits tin tian ticn more.