D9.5-114mm Spade Drill Bit Weldon Shank Indexable U Drill For Carbide Insert Metal Drilling CNC Tools
Feature:
1. Spade drill is upgraded from traditional twist drill, which can be applied to CNC and various traditional equipment, such as vertical drill machine and radial drill machine.
2.Insert of powder HSS: steel; insert of Cobalt HSS: stainless steel; Carbide inserts:steel, stainless steel, cast iron.
3.Please use Powder HSS and Cobalt HSS insert for vertical drill machine and radial drill machine.
4.All spade drill is with coolant internal hole, it is better that use coolant with high pressure.
5.There is chip breaker on the insert, the chip will be small and come out from hole easily.
6.Self-centering, suitable for deep hole
7.Drilling diameter is is Φ9.5-Φ114mm
8.Vf for HSS insert is 20-40m/min, Vf for carbide insert is 60-80m/min, f:0.2-0.6mm/rev
H: helical flute S: straight flute
