Features
High-speed and high-precision drilling work is possible with a small amount of force.
The unique 3-part cutting edge shape greatly increases durability.
Workability and chip discharge performance have also been significantly improved.

Use
Work material: For drilling into steel plates, shaped steel, stainless steel plates, cast iron, etc. up to 35 mm thick.
Ideal for drilling work in shipbuilding, bridges, forms, and steel structures.
Compatible with welded structural steel materials (SM materials).
Compatible with architectural structural steel materials (SN materials).

Specification
Blade diameter (mm): 21.5
Maximum processed plate thickness (mm): 35
Compatible model: Nitto Kohki (QA-4000, A-3000)
Compatible motor: Magnetic drilling machine (upright drilling machine, radial drilling machine, lathe, milling machine) (Requires a separately sold shank.)

Specification2

Material/Finish
Blade: Carbide

Set contents/accessories

caution