28mm Diamond Core Drill Bits Wet for Concrete Brick Block Masonry 19.7 Inch 54 inch(W*L)

54 inch(W*L)

Wire Length: 4cm / 1

for BMW 760Li 2010-2012

Excellent physical

Shrink rate : 2:1

28mm Diamond Core Drill Bits Wet for Concrete Brick Block Masonry 19.7 Inch 54 inch(W*L)Specifications: Drilling Diameter: 28mm 1. 1" Drilling Depth: 58mm 2. 28" Shank Size: 9. 5mm 0. 37" Overall Length: 84mm 3. 31" Drilling Method: Wet Use Material: Sintering Diamond (Cutter Head), Carbon Steel (Body) Shank Type: Non slip Triangle Shank Surface Treatment: Electrostatic Powder Coating Recommended Drilling Speed: 3000RPM 6000RPM Color: Black Descriptions: 1. Suitable for drilling concrete, masonry, hard brick, marble, stone, and other