Effective Diamond Core Drill Bit with M10 Adapter, 20-35-50mm Ceramic Tile Hole Saw Kit, Beveling Chamfer Bits for Marble, Granite, Concrete - for Drill Use, Fits 1/2" Chuck - NOT for 5/8" Grinder

★★★★★ 4.8 26 reviews

US$6.40
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US$6.40
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Product details

Management number 234149047 Release Date 2026/06/27 List Price US$6.40 Model Number 234149047
Category
  • 【3-IN-1 DIAMOND STEP DRILL BIT】This effective diamond core drill bit integrates 20mm, 35mm, and 50mm sizes into one step drill bit. Perfect for drilling, hole enlarging, countersinking, and chamfering on tile, marble, concrete, granite, and wood. Achieve smooth, step-by-step hole expansion from a pilot hole without switching multiple bits.
  • 【PREMIUM DIAMOND BRAZED FOR MAX DURABILITY】Diamond step drill bits feature high-density diamond particle coating. This multi-layer construction ensures superior wear resistance, long-lasting sharpness, and fast, clean cuts in porcelain, quartzite, engineered stone, and ceramic.
  • 【M10 ADAPTER INCLUDED FOR DRILL USE】Kit includes a high-quality M10 adapter rod. Perfect for electric drills: simply insert adapter into drill chuck and attach the bit. Also compatible with M10 spindle angle grinders. NOT for standard 5/8"-11 angle grinders.
  • 【MULTI-FUNCTION HOLE OPENER & REAMER】This versatile tool acts as a diamond hole opener, cone grinder bit, and stepped tapered reamer. Ideal for creating and polishing round holes in masonry, wood, and stone for plumbing or electrical projects. Efficient for wet or dry cutting.
  • 【EFFICIENT HOLE OPENING】Optimized flute design ensures smooth chip removal, reduces heat buildup, and allows for faster drilling. Ideal for a wide range of materials including concrete, tile, marble, granite, glass, aluminum, and metal sheets.

ASIN B0G7ZKJDY8
Set Name Multi-Functional Diamond Core Drill Bit Set (1 Piece)
Brand Name Roimlnm
Shank Type Round
Item Weight 0.2 Pounds
Part Number M10-LD872-set
Finish Types Diamond Core Coated
Manufacturer Roimlnm
Material Type Diamond Particle
Item Dimensions 3 x 2 x 2 inches
Number of Flutes 3
Surface Recommendation Aluminum, Concrete, Glass, Granite, Marble, Metal, Tile

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4.8 out of 5
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26 ratings | 11 reviews
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