Kishiko cha ziada, Kasi ya Kutofautiana, Ulinzi wa Magari
Vipengele vya Nyundo ya Rotary
Chapa Mpya
Hali
Rotary hammers can be used for "doweling" (repetitive drilling of large rebar anchor holes), and drilling through-holes in concrete and masonry walls. The hammering action helps break up the masonry so that it can be removed by the drill bit's flutes.