STHOR 22611 gradual drilling drill Designed for drilling in high -quality stainless steel, structural and cold rolled steel, in colored metals, steel sheets, plastic. • The edges of the drilled hole remain clean and without burrs • The drill does not escape on the rounds • automatically centralizing on rounded and slippery surfaces • Fast heat dissipation when drilling in hard materials • Made of high -speed HSS steel, nitrogen -covered with titanium • graded every 2 mm Cylindrical handle.
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