SDS-PLUS V3 14*450 DRILL BIT S-71146

causes the formation of micro-cracks in the drilled material achieves a noticeably higher drilling speed centering of the tip ensures immediate drilling and prevents the drill bit from slipping off smooth surfaces improved Vario KVS weave Tapered helix increased speed and durability resistance to breakage for hard concrete, masonry, natural stone rotary hammers with SDS PLUS handle