Metal drills from the German manufacturer of blades and drills RUKO.
Twist drills are made according to DIN-338 standard from high-speed tool steel.
DIN-338 metal drill bits have good centering characteristics and very little thrust is required when drilling.
Steel: HSS-G.
Direction of rotation / drilling: Right.
Drilling depth: 5 x D
Angle angle: 118 °.
Spiral angle: 25-30 °.
Tolerance: h8
Available diameters: 3mm 4mm | 5mm | 6mm | 7mm | 8mm | 9mm | 10mm | 11mm | 12mm








