Tec-Spiral

HSS Center Drill, Bell Type Form B

◆ The 60°chamfer for base center hole;
◆ The 120°protective chamfer guarantees the center from any risk of blows and deformation;
◆ The 120°splay makes it easier to seize parts between points on machine with automatic feed;
◆ Ensure more smooth running in following processing;
◆ Mainly used in the precision components procession

Variants

Standard

Flute Type

Drill Dia

Description
Advantages
Applications

◆ 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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Service

Company