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Tungsten Carbide Tools
Saw-Tooth Tungsten-Carbide Core Bits |
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These bits are set with large, rectangular-shaped tungsten-carbide elements that are physically embedded into the crown of the tool. The bit face has an aggressive saw-tooth pattern with either integral canal type waterways or with optional cylindrical-shaped face-discharge ports on thick-kerf wireline core bits. The bit crown itself is composed of a tough, wear resistant metal-bond matrix material. The gauge diameters of the tool are also heavily set with tungsten-carbide wear pads. The application of this type of bit is primarily in geotechnical soil investigation or for core drilling in overburden layers that are composed mainly of clay, sand, gypsum or soft shale. |
| addtime:2008-8-27 14:19:15 print |
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