It is a kit of 25 pieces roll forged high speed twist drill bits for drilling metal. They are supplied in a convenient carrying case. Drill bits of different metric sizes, compatible with the chuck of any drilling machine. They come in convenient yellow metal case, with all properly categorized and drills. 

• Kit of 25 drills resistant metal tip HSS-R, version laminated roll, for accurate drilling. 

• Type N bits cylindrical with tapered conical surface 118 °, and golden surface

• The drills are presented in metal case, sorted and classified by size

• Supplied drill sizes: from 1 mm to 13 mm, 0.5 mm with jumps between sizes

• Drilling steel, metal, cast alloy steel and unalloyed

1mm, 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 6.5mm, 7mm, 7.5mm, 8mm, 8.5mm, 9mm, 9.5mm, 10mm, 10.5mm, 11mm, 11.5mm, 12mm, 12.5mm, 13mm