Bosch 2609255133 Set of 19 drill bits HSS-Cobalt metal diameters 1/1 5/2/2 5/3/3 5/4/4 5/5 5/6/6 5/7/7 5/8/8 5 / 9/9 mm 5/10

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  • Superior drills with a large cutting capacity  

    Bosch 2609255133 Set of 19 drill bits HSS-Cobalt metals, diameters 1 / 1.5 / 2 / 2.5 / 3 / 3.5 / 4 / 4.5 / 5.5 / 6 / 6.5 / 7 / 7.5 / 8 / 8.5 / 9 / 9.5 / 10 mm (Tools & Accessories)
    I chose these because they are drills Cobalt. They ensure indeed perfect cut in carbon steel. I have not had the opportunity to drill stainless steel, they should in principle be able to punch. The geometry is very good. The high price is justified b
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  • Robust hardware  

    Bosch 2609255133 Set of 19 drill bits HSS-Cobalt metals, diameters 1 / 1.5 / 2 / 2.5 / 3 / 3.5 / 4 / 4.5 / 5.5 / 6 / 6.5 / 7 / 7.5 / 8 / 8.5 / 9 / 9.5 / 10 mm (Tools & Accessories)
    Hello I had to break the stainless steel diameter 10 mm by successive bore (5 mm, 8 mm, 10 mm); I tried with conventional HSS drills and drill bits HSS Cobalt / titanium from other manufacturers; everything burned after 2 or 3 holes, matter and drill
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