Tungsten Steel Carbide Drilling Insert Saber-Toothed Drill Bit Deep Hole Drilling Tool Holder with Double Hole Internal Cooling (Diameter0.472in/12mm)

Zouzmin Tungsten Steel Carbide Drilling Insert Saber-toothed Drill Bit Deep Hole Drilling Tool Holder with Double Hole Internal Cooling

• [Applicable]Recommended for Deep Hole Drilling and cross hole drilling, suitable for shallow drilling and intermittent drilling;
• [Advantages] Quickly discharge iron filings, crush iron filings, and do not stick to the drill bit. Suitable for alloy steel, preheated steel and cast iron;
• [Drilling Insert]made from tungsten steel, Saber-toothed, Complete specifications and models, the diameter from 10mm-26mm(0.394in-1.02in);
• [Drilling Tool Holder]made from 40CrMo,screw type, with double hole internal cooling,
• [Package] the drilling tool holder 1piece per pack , the drilling inserts 1piece per pack too ,and these inserts have two clours brown and gray ,will random shipping!