半圓形
Full Round
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適用于硬巖，鉆頭唇面增加了金剛石量，鉆進(jìn)速度高
Higher diamond content in the bit face.higher penetration rate.and suitable
for drilling hard rocks.
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圓弧形
Semi-round
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適用于硬-硬巖，鉆頭唇面金剛石分布良好，能適應(yīng)少量破碎。
Even diamond distribution in the bit face,suitable for drilling medium-hard and hard rocks.or a little broken and loose formations.
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平底形
Fiat
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用于孕鑲鉆頭，適用于各種不同硬度和磨蝕性巖層。
For impregnated diamond bit oniy,suitable for drilling hard abrasive rocks.
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底噴形
Bottom Discharge Design
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適用于沉積巖、變質(zhì)巖等含粉礦較多的巖層，避免巖心過量沖蝕，得到高百分比的取芯率。
Suitable for drilling sedimentary or metamorphic formations containing more powder mineraiw with high core recovery percentage,and no excessive core washout.
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階梯形
Stepped
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適用于中硬巖層，破碎巖層，破碎與完整交錯巖層，可防止孔斜。
Suitable for dr drilling medium-hard,broken or interbedded formations, hoie deviation can be prevented.
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錐形
Tapered
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適用于軟至中硬巖層，鉆進(jìn)速度高，強(qiáng)度比階梯形好。
Suitable for drilling soft and medium-hard formations with high penetration rate.
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尖齒形
Serrated Profile
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適用于堅硬致密巖層，鉆進(jìn)速度高。
Suitable for drilling hard dense formations with high penetration rate.
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交叉形
Staggered Concentric Profile
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適用于堅硬致密巖層，在低壓下有較高的鉆進(jìn)速度。
Suitabie for drilling hard dense formations with high penetration rate under low bit weight.
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齒輪形
GearWheel
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適合于堅硬致密巖層，鉆進(jìn)速度高。
Suitabie for drilling hard dense formations with high penetration rate.
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ENGLISH
