Ruko ULTIMATECUT DIN 338 FLOWSTEP® HSS twist drill bit set

Twist drill bit with significantly longer life, up to 5 times more holes possible. Time savings of up to 50%. Extremely fast and energy-efficient drilling. Perfect centering, preventing slippage, even on round surfaces such as pipes and tubes. Easy and smooth drilling process, without jamming in the material. Optimum performance in portable (cordless) power tool drilling machines.