ISF Ultra Musashi Drill

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A perfectly round hole without burrs... With a small diameter drill at the tip, and a circular blade at the second stage for end mill cutting, a clean and perfectly round hole without burrs can be drilled in thin sheets or plastic resin without cracking.
Heavy cutting is possible and fast... By combining a center drill and end mill in a two-stage cutting, a new type of drill enables cutting at double the speed feed, increasing efficiency.
Three times the durability... The tip drill has X-shaped cross thinning, and the two-blade has a duller angle than an end mill, resulting in slower chip build-up and more than three times the durability of a normal drill.

Plate material, pipes, structural steel, for rivet holes.