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DRILLING TOOLS · BELLING BITS
Three-wing belling bit, rock
Three-wing belling bit for bells in soil and moderately weathered rock. KD600–KD2000, 7 catalogue sizes.
| Size | DiameterD · mm | Reamed diameterD1 · mm | Height, closedH1 · mm | Height, openedH2 · mm |
|---|---|---|---|---|
| KD600 | 560 | 1200 | 1900 | 1550 |
| KD800 | 760 | 1600 | 2160 | 1700 |
| KD1000 | 960 | 2000 | 2650 | 1950 |
| KD1200 | 1160 | 2400 | 3050 | 2050 |
| KD1500 | 1460 | 3000 | 3600 | 2600 |
| KD1800 | 1760 | 3600 | 3900 | 2650 |
| KD2000 | 1960 | 4000 | 4200 | 2850 |
7 catalogue sizes from KD600 to KD2000. Catalogue values; dimensions in mm. Other sizes on request.
Overview
Three toothed wings, spaced around the body, cut the bell. The bit runs down closed at body diameter D and opens to the reamed diameter D1.
The catalogue table lists 7 sizes with closed height H1 and opened height H2, from KD600 (560 mm body, 1200 mm bell) to KD2000 (1960 mm body, 4000 mm bell).
Applications
How to order
To order, give us the pile diameter, the bell diameter, the ground at the toe and your rig model with its Kelly connection. We reply by email within one business day.