Sigma Diamond Drill Bit 40mm Diameter. Fast wet/dry diamond drillbit with M14 thread fitting.
For cutting 20mm holes in:
- Porcelain
- Ceramic
- Klinker
- Granite
- Marble
- Limestone
- Slate
- Terracotta
- Masonry
- Fibreglass
Recommended 6000 rpm, max rpm 11000.

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3 Year Tile Warranty
Established 1999
Availability: 17 in stock (Also available to pre-order, see FAQ for details)
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Sigma Diamond Drill Bit 40mm Diameter. Fast wet/dry diamond drillbit with M14 thread fitting.
For cutting 20mm holes in:
Recommended 6000 rpm, max rpm 11000.

| Weight | .2 kg |
|---|---|
| Dimensions | 20 × 10 × 30 cm |
| HS Code | 6804210000 |
| SKU | sig-53040 |
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