General: The first is the material of choice for cutting WJ30RC all application areas. Samples can provide 142 kinds of models, covering all areas so far in our thread milling products exist. Both cutting material using extremely high cutting edge strength carbide ultrafine particles. Another prominent feature is the toughness WJ30RC higher. So, as we said, this cutter is very common, both for unstable machining conditions, but also afraid of their own chips roll, but also will not break. Furthermore, can be used in cold conditions without band. Durability: Both cutter WJ30RC old tool relative to the type already in terms of life expectancy show significant performance improvements. This we can prove that in laboratory testing. But cutting Material WB10RD further in this regard: It consists of a substrate and a coating made of zirconium nitride, a higher hardness and tool life 40% longer than competing products. However, the effective use requires some framework conditions: a stable machine, the smaller the tool overhang length and correspondingly lower side pressure and must be used within the cooling. In this way, customers can get a currently available longest thread milling tool life. Equilibrium: Tool life and process reliability can not be clearly separated in this case. If the lower tool life, cutting edge wear is also higher. The higher the wear and tear, the machine operator must be corrected more frequently. If the tool is particularly resistant to wear (in this case the cutting material WB10RD), it can perform a lot of thread cutting smoothly. However, if you use WB10RD not under the best conditions, then the risk of chipping tool exists, and process reliability is no longer guaranteed. To this end we offer two solutions. Use WJ30RC cutter, even when the customer can obtain a non-optimal conditions for a high process reliability.