Tec-Spiral

HSS Center Drill, Arc Type Form R

◆ Continual inclined arc lines ensure stronger drill point;
◆ The radius eliminates the risk of breakage;
◆ Considerably longer tool life

Variants

Standard

Flute Type

Drill Dia

Description
Advantages
Applications

◆ Continual inclined arc lines ensure stronger drill point;
◆ The radius eliminates the risk of breakage;
◆ Considerably longer tool life

◆ Completely smooth running and high cutting performance;
◆ Large and Spiral chip space allows faster and easier chip removal;
◆ Longer tool life compared with straight flute type

· Combined Drills and Countersinks, are mainly used for making the center hole on component, which is the base and support hole for the workpiece in machanical procession, it is especially in turnning procession.
· Center Drills can be also used for chamfering and countersinking.

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