Double -sided ground drills with wide application in industry and craft They are perfect for drilling in thin sheets and metal as well as in plastic, including at the car body, body assembly, drilling the hole in the rivets in metal elements STAL HSS provides several times faster drilling and retains resistance to damage and raining, maintaining the geometry of cross drilling & bdquo; split point & rdquo; About the apical angle of 135 & deg; It allows drilling without prior scoring, guaranteeing the perfect central -sided central angle extends the life of the drill -filled surface and edges according to the DIN 338 standard ensure excellent drilling precision and ideal dimensions of the drilled opening opening of the drum 10 double -sided sanded drills with diameters 3. 0, 3. 2, 3. 5, 4. 0, 4. 2, 4. 5, 5. 0, 5. 2, 5. 5, 6. 0 mm packed in a handy cassette.
