Description of HritHcoxi Concrete Tungsten SDS Plus Drilling
Material: Made of high quality tungsten cobalt, carbide-tipped (YG8) bit heads are harder, it provide longevity and will stay sharper much longer, also, with heat treatment, masonry drill bits set are very strong and durable, excellent rust resistance. Excellent working efficiency: These concrete drill bits with U-shaped spiral groove design, cleans debris out for fast, efficient drilling, also, grooves allow drill bits slipping in the chuck when working, strength drilling torque and hammering force. And featured 2-flute self-centering carbide tip ensuring fast cut speeds. Cemented carbide tungsten cutter head, more sharper and tough. Size: Totally 20pcs concrete drill bits, 2pcs 6/25" * 4-1/3", 2pcs 6/25" * 5-9/10", 1pcs 6/25" * 7-9/10", 2pcs 3/10" * 4-1/3", 2pcs 3/10" * 5-9/10", 1pcs 3/10" * 7-9/10", 2pcs 2/5" * 5-9/10", 1pcs 2/5" * 7-9/10", 1pcs 1/2" * 5-9/10", 1pcs 1/2" * 7-9/10", 1pcs 11/20" * 5-9/10", 1pcs 11/20" * 7-9/10", 1pcs 3/5" * 5-9/10", 1pcs 3/5" * 7-9/10", 1pcs 7/10" * 7-9/10". Widely application: These masonry drill bits featured round shank, can compatible with all SDS Plus sized rotary hammer drills. It widely used for brick, block, masonry, concrete, ceramic tile, cement and for Low To Medium Hardness Stone, Rock. Attention: 1, If the concrete drill bit drills into the steel bar, then needs to be re-drilled, or drill bit might be damaged. 2, These SDS plus drill bits should not be used as a chisel, or it will be easily damaged. Guarantee: We guarantee provide good service, if there is any problems, please feel free to contact us, and we will reply timely. New replacement and full refund is available too.