nanjing shengdan international(industrial) co. ltd.
drill, drills, door, twist drill, drill bits, Manufacturer and Supplier - China(CN)
Masonry Drill Bit - Black and Silver (MDB001)
This drill bit is machined from high carbon steel with carbide tipped cutting edges.
Black groove, edge polished.
Masonry Drill Bit Surface Treatment: Black Flute And Bright Land
For rotary and roto-percussion drilling in concrete, stone, masonry and similar materials
"Dia.: 3-26mm (1/8"" -1""), Length: 200, 300, 400 mm / 8"", 12"", 16"" available
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