Cross Head Tip SDS Drill Bits , SDS Max Drill Bits For Block / Brick / Wall

Cross Head Tip SDS Drill Bits , Sds Max Drill Bits For Block / Brick / Wall 4-fold spiral flute (S4) for rapid drilling dust removal. With even less vibration and more precise guiding, the stability and service life of the drill bit are increased. 1. Photos 2. Description: Product Name Carbide Single Tip S4 Flute SDS Plus Hammer Drill Bit For Concrete and Hard Stone Material Body: 40Cr Steel with Heat Treatment; Tip: Tungsten Carbide ; Finish: Sand Blasted Process Milled