ZZSA WC Series Indexable CNC Drill Bits C20 C25 C32 C40 Metal Drill Bites Insert 11mm-49mm for U Drill Lathes Water Cooled R7Q2P

Specifiction Name: High Speed Drilling Tool (U Drill)-WC Brand: KEENCUTEERItem No.: U Drill-WCSuitable insert: WCMT/WCGTPack: High-grade PE outer Feature 1.Durable, efficient and cost-effective2.Powerful functions for multi-stage cutting3.Direct drilling without center hole and chip removal4.The drilled holes have high finish and small tolerance4.Match WC insert How to choose U DRILL Difference between SP and WC :SP U Drill : The bottom hole of SP insert is flat relative to WC, but not completely flat. SP insert is square and can use 4 cutting surfaces, with a better finish than WC.WC U Drill : WC insert is cheap and has high drilling efficiency. The insert is peach type and can be used on three sides. The drilling efficiency is slightly better than that of SP type. 2D 3D 4D means length:2D mean the machining depth is 2 times the diameter.3D mean the machining depth is 3 times the diameter.4D mean the machining depth is 4 times the diameter. Cutting Condition How to calculate speed and feed?Select cutting speed and feed rate well, calculate the speed and feed according to the formula. Package Info Insert needs to be purchased seperately.