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Spiral Stage Drill (2-Flute Type)

Spiral Stage Drill (2-Flute Type)

· With the spiral groove, the rake angle is more acute than a straight groove, resulting in considerably improved cutting performance.
· Cobalt HSS has been used to provide excellent wear and heat resistance and an enduring sharpness.
· One tool can be used for various types of machining including drilling, expanding pilot holes, repairing holes, and chamfering.
· Supports various applications and materials such as thin steel plate, wood screw pilot holes, pipe bent surfaces, etc.
· The tip grips the surface well and center punching is not necessary.
· Work materials: Steel plate (up to 2 mm), stainless steel plate (up to 1.2 mm), wood, plastic (up to 2 mm).
· Cobalt HSS


Japanese Only

Part Number

Configured Part Number is shown.

Part Number
Part NumberVolume DiscountDays to ShipDrilling Size
Stepped Width (a)
Trusco Code JAN Code
4 Day(s) or more 4、5、6、7、8、9、10、11、122.5441-54344963202089104
4 Day(s) or more 5、7、9、11、13、15、17、19、214441-54424963202089142
4 Day(s) or more 6、8、10、12、14、16、18、20、224441-54514963202089180


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Basic Information

Number of Steps(level) 9 Shaft Diameter 6.35 Coating Non-coating

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