High Speed Steel Drill Bits Vs Carbide

High speed cobalt hsco tools are an upgrade from high speed steel hss due to increased heat resistance because of 5 8 cobalt in an alloy.
High speed steel drill bits vs carbide. The carbide drill bit is made tungsten carbide powder as matrix and cobalt powder by pressing and sintering as its binder. 18 tungsten 4 chromium 1 vanadium 0 7 carbon and the rest iron. Drill ream or bore. Cobalt hsco is considered an upgrade from hss because it includes 5 8 cobalt blended into the base material.
A typical hss composition is. There is a place in the machine shop for high speed steel jobber length drills and chucking reamers but it s probably not on any late model cnc lathes and machining centers. High speed steel is a high carbon tool steel containing a large dose of tungsten. It s used mostly for production drilling where a high quality tool holder and equipment is used.
Cutting tools are very important in construction fields. Summary carbide vs high speed steel. This is a great option for drilling into harder steel as well as stainless steel grades. Most of its major uses including drill bits and cutting tools sports equipment and the tips of ballpoint pens.
The main difference between them is mainly listed below. Carbide carb is the hardest and most brittle of the drill bit materials. Cobalt drill bits are better if you need to make a hole in hardened or stainless steel. Tungsten carbide is extremely hard and abrasion resistance.
The red hardness of high speed steel is 650 but the carbide steel can reach 800 1000. Irwin does drill bits right with their m42 5 cobalt high speed steel bits that deliver abrasive resistance when working with tough metals. With a heavy duty spiral fluted design for faster chip ejection and a 135 degree split point tip for easy penetration these tools are versatile and durable enough to use on a wide variety of materials. We can produce these tools using materials such as carbide and high speed steel.
Kip hanson posted feb 11 2020. The difference between carbide and high speed steel is that the tools made from carbide last longer than the high speed steel. Hss high speed steels still playing a very significant role in metal cutting.