2Pcs 32mm 1 1/4 Inch Diamond Hole Saws Granite Drill Bit Masonry Tools for Stone

• Product Name: Diamond tip masonry bit, Stone cutting bits, Granite hole bit, Small glass drill bit
• Outer Diameter:32mm(1 1/4 inch); Hex Shank Diameter:10mm(3/8 inch); Drilling Depth:29mm
• Easy to use, excellent for making clean and accurate hole on stone, granite, marble, tile
• NOT have center pilot drill, 3/8 inch hex shank will fit handheld or upright drillers
• Add water for coolant, start drill at 45 Degree to surface and align to 90 Degree as hole forms

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