Carbide drill 20xd (Inner cooling)

Carbide drill 20xd (Inner cooling)

For: gray cast iron, nodular cast iron, stainless steel,structural steel and alloy steel materials, centering capabili-ty is strong, stable dimensional accuracy and good surfacequality.

Cutting edge tolerance:m7

Chip groove:Special design,easy to chip removal

Chisel edge manufacturing:Chisel edge correction

Shank fom:DIN6535HA h6

Coating:He/NaNO