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16Pcs masonry drill bits set
16Pcs masonry drill bits set
Item No.: P09Y273

.Material:carbon steel+YG8,Solid Carbide Tip;
.HRC42--50 for shank,Milled and Sand Blasted,
.HRA 88-90 for tip;
.Size:3.0x3pc,4.0x3pc,5.0x4pc,6.0x4pc,8.0,10.0mm;