2 or 3 hole coolant rods are used as per customers’ requests.
All drills have the K land and corner edge chamfer and better edge chamfer for better tool life.
All Precistar 8 x D drills have the K land and corner edge chamfer and better edge chamfer for better tool life.
Sharp tough and straight cutting edges for stable drilling performance.
Xtype Web thinning enables easy initial cutting which leads to high accuracy cutting.
Wider flute geometry to prevent Chip blocking and gives excellent chip disposal due to large flute width and depth.
Suitable for low to high speed drilling and machining for both blind and thru holes.
High Quality coatings from Swiss Balzers and Cemecon Germany helps with excellent thermal wear and oxidation resistance.
Longer life of the tool even under machining of difficult to cut materials with improved finish finish on holes and giving excellent finish RA values on the hole.
Can be drilled upto 8 times the diameter of the drill ( 8 x D).
The Precistaris a self-centering, high penetration rate drill, created especially for nickel alloys. The new style geometry improves tool life, while the brand new TiAln coating withstands abrasive applications. Inconel drilling tests reveal a 35% increase in tool life, due in large part to this new, multi-layer coating that we call nano-Si®.
Thru coolant drills are widely used to to minimize reaming with tighter tolerances are achieved with STN Precistar thru coolant Drills.