The Black Spiral Core Bit was created to meet the market demand for a product of the same quality as the Gold Spiral® core bit, but longer, in this case increased to 200 mm, to facilitate operating speed when carrying out jobs. In this case, the core cleaning operation is required 30% less than with 150 mm long core bits. See “Gold Spiral® Core Bit” for technical characteristics. Useful core bit length: 200 mm.
TECHNICAL TABLE | |
Cured Concrete / Bricks / Roofing tiles | ★★★★★ |
Slightly reinforced concrete | ★★★★★ |
Highly reinforced concrete | ★★★★★ |
Granite/ Natural stone / Porphyries | ★★★ |
Marble | |
Refractories | ★★ |
Sandstone/Washed gravel slabs | ★★ |
Double fired ceramic tiles | ★ |
Single fired ceramic tiles | ★ |
Porcelain stoneware/Klinker tiles | ★ |
Fresh cement | ★ |
Asphalt | ★ |
Cutting speed | ★★★★★ |
Average life | ★★★★ |
sufficient ★ average ★★ good ★★★ excellent ★★★★ super ★★★★★ |
CAN BE USED ON THE FOLLOWING MACHINES |
32-42-57-68-82-102-112-127-142-162 |