Tec-Spiral

HSS Conical Drills ,Cylindrical Shank

◆ 118°Split point DIN1412C, good centring, little pressure required;
◆ CBN fully ground ensure better and sharper cutting edges;
◆ Grooves oppened wide to allow chips away out;
◆ Positive cut,standard rake angle;
◆ Constant profile relief;
◆ Smooth running;
◆ Centered and drilled in one operation;
◆ Applicable for Tube and Sheets and thin materials such as steel, non-ferrous and light metals, plastic, wood, etc.

Variants

Min-Max

Coated

Description
Advantages
Applications

◆ Made by high-performance HSS, High wear resistance and long tool life;
◆ Manufactured by advanced CNC machine. High consistency and quality assurance;
◆ 118° Split point DIN1412C, good centring, little pressure required;
◆ CBN fully ground ensure better and sharper cutting edges;
◆ Modified cutting angle guarantee smooth running and positive cut;
◆ Grooves oppened wide to allow fast and easy chip removal;
◆ Each cone has constant radially adjusted relief and axially relief;
◆ A starter hole of the smallest step/cone diameter will speed the drilling process;
◆ Centered and drilled in one operation;
◆ Applicable for Tube and Sheets and thin materials such as steel, non-ferrous and light metals, plastic, wood, etc.

·Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates
·118ºSplit point starts hole cuts quickly and prevents drifting when pressure is added

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