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易返式钻头主要应用于岩石比较破碎的松散性岩体，易返裤体设计可协助收回钻具，减少卡钻、埋钻现象，并有利于提高钻孔平直度。
| 示意图 | 直径 | 合金 | 水孔 | 净重 | 产品型号 | |||
[mm] | [in] | 边齿 [No.] × [mm] | 正齿 [No.] × [mm] | 侧面 [No.] | 正面 [No.] | [kg] | ||
 | 41 | 1 5/8" | 5 × 9 | 2 × 8 | 2 | 1 | 0.78 | R25-417YFP |
| 45 | 1 3/4" | 6 × 9 | 3 × 8 | 1 | 3 | 1 | R25-459YFP | |
| 48 | 1 7/8" | 6 × 10 | 3 × 9 | 1 | 3 | 1.1 | R25-489YFP | |
| 51 | 2" | 6 × 10 | 3 × 9 | - | 3 | 1.35 | R25-519YFP | |
| 55 | 2 11/64" | 6 × 11 | 3 × 9 | 1 | 3 | 1.54 | R25-559YFP | |
| 57 | 2 1/4" | 6 × 10 | 3 × 10 | - | 3 | 1.6 | R25-579YFP | |
| 64 | 2 1/2" | 8 × 11 | 4 × 10 | 1 | 2 | 2.2 | R25-6412YFP | |
| 示意图 | 直径 | 合金 | 水孔 | 净重 | 产品型号 | |||
[mm] | [in] | 边齿 [No.] × [mm] | 正齿 [No.] × [mm] | 侧面 [No.] | 正面 [No.] | [kg] | ||
| 45 | 1 3/4" | 6 × 9 | 3 × 8 | 1 | 3 | 1 | R28-459YFP |
| 51 | 2" | 6 × 10 | 3 × 9 | 1 | 3 | 1.35 | R28-519YFP | |
| 示意图 | 直径 | 合金 | 水孔 | 净重 | 产品型号 | |||
[mm] | [in] | 边齿 [No.] × [mm] | 正齿 [No.] × [mm] | 侧面 [No.] | 正面 [No.] | [kg] | ||
 | 45 | 1 3/4" | 6 × 9 | 3 × 8 | 1 | 3 | 0.9 | R32-459YFP |
| 48 | 1 7/8" | 6 × 10 | 3 × 9 | 1 | 3 | 1.1 | R32-489YFP | |
| 51 | 2" | 6 × 10 | 3 × 9 | - | 3 | 1.2 | R32-519YFP | |
| 57 | 2 1/4" | 6 × 10 | 3 × 10 | - | 3 | 1.7 | R32-579YFP | |
| 64 | 2 1/2" | 6 × 11 | 3 × 10 | 1 | 2 | 2.2 | R32-649YFP | |
 | 60 | 2 23/64" | 8 × 10 | 4 × 9 | 1 | 2 | 1.7 | R32-6012YFP |
| 64 | 2 1/2" | 8 × 10 | 4 × 10 | 2 | 2 | 1.9 | R32-6412YFP | |
| 76 | 3" | 8 × 12 | 4 × 11 | 2 | 2 | 2.2 | R32-7612YFP | |
 | 76 | 3" | 8 × 11 | 4 × 11, 1 × 11 | - | 4 | 3.3 | R32-7613YFA |
| 示意图 | 直径 | 合金 | 水孔 | 净重 | 产品型号 | |||
[mm] | [in] | 边齿 [No.] × [mm] | 正齿 [No.] × [mm] | 侧面 [No.] | 正面 [No.] | [kg] | ||
 | 51 | 2" | 8 × 9 | 3 × 9 | 2 | 1 | 1.6 | SR35-5111YFP |
| 54 | 2 1/8" | 8 × 9 | 3 × 9 | 2 | 1 | 1.8 | SR35-5411YFP | |
 | 54 | 2 1/8" | 6 × 10 | 3 × 9 | 1 | 3 | 1.3 | SR35-549YFA |
| 示意图 | 直径 | 合金 | 水孔 | 净重 | 产品型号 | |||
[mm] | [in] | 边齿 [No.] × [mm] | 正齿 [No.] × [mm] | 侧面 [No.] | 正面 [No.] | [kg] | ||
 | 64 | 2 1/2" | 8 × 10 | 4 × 10 | 2 | 2 | 1.9 | R38-6412YFP |
| 76 | 3" | 8 × 12 | 4 × 11 | 2 | 2 | 2.2 | R38-7612YFP | |
| 64 | 2 1/2" | 6 × 11 | 3 × 10 | 1 | 2 | 1.9 | R38-649YFP | |
 | 64 | 2 1/2" | 6 × 11 | 3 × 10, 1 × 9 | 1 | 2 | 1.9 | R38-6410YFA |
| 64 | 2 1/2" | 8 × 10 | 4 × 10, 1 × 9 | 1 | 4 | 1.9 | R38-6413YFA | |
| 66 | 2 19/32″ | 6 × 11 | 3 × 10, 1 × 9 | 1 | 2 | 1.9 | R38-6610YFA | |
| 70 | 2 3/4" | 8 × 10 | 4 × 10, 1 × 9 | 1 | 4 | 2.4 | R38-7013YFA | |
| 76 | 3" | 8 × 11 | 4 × 11, 1 × 11 | - | 4 | 3.3 | R38-7613YFA | |
| 89 | 3 1/2" | 8 × 12 | 4 × 12, 2 × 10 | 1 | 4 | 5.3 | R38-8914YFA | |
| 89 | 3 1/2" | 8 × 12 | 4 × 11, 1 × 11 | 1 | 4 | 5.3 | R38-8913YFA | |
| 示意图 | 直径 | 合金 | 水孔 | 净重 | 产品型号 | |||
[mm] | [in] | 边齿 [No.] × [mm] | 正齿 [No.] × [mm] | 侧面 [No.] | 正面 [No.] | [kg] | ||
 | 64 | 2 1/2" | 8 × 10 | 4 × 10 | 2 | 2 | 1.9 | T38-6412YFP |
| 76 | 3" | 8 × 12 | 4 × 11 | 2 | 2 | 2.2 | T38-7612YFP | |
| 64 | 2 1/2" | 6 × 11 | 3 × 10 | 1 | 2 | 1.9 | T38-649YFP | |
 | 64 | 2 1/2" | 6 × 11 | 3 × 10, 1 × 9 | 1 | 2 | 1.9 | T38-6410YFA |
| 64 | 2 1/2" | 8 × 10 | 4 × 10, 1 × 9 | 1 | 4 | 1.9 | T38-6413YFA | |
| 70 | 2 3/4" | 8 × 10 | 4 × 10, 1 × 9 | 1 | 4 | 2.4 | T38-7013YFA | |
 | 65 | 2 9/16" | 6 × 12 | 4 × 10 | 1 | 2 | 3.1 | T38-6510YSP |
| 示意图 | 直径 | 合金 | 水孔 | 净重 | 产品型号 | |||
[mm] | [in] | 边齿 [No.] × [mm] | 正齿 [No.] × [mm] | 侧面 [No.] | 正面 [No.] | [kg] | ||
 | 76 | 3" | 8 × 12 | 4 × 11 | 2 | 2 | 2.2 | T45-7612YFP |
| 89 | 3 1/2" | 8 × 13 | 5 × 12 | 2 | 2 | 5.2 | T45-8913YFP | |
| 102 | 4" | 9 × 12 | 6 × 12 | - | 3 | 6.5 | T45-10215YFP | |
| 115 | 4 1/2" | 9 × 14 | 7 × 13 | - | 3 | 10 | T45-11516YFP | |
| 115 | 4 1/2" | 9 × 14 | 6 × 13 | - | 3 | 10 | T45-11515YFP | |
 | 76 | 3" | 8 × 11 | 4 × 11, 1 × 11 | - | 4 | 3.2 | T45-7613YFA |
| 89 | 3 1/2" | 8 × 12 | 4 × 12, 2 × 10 | 1 | 4 | 5.4 | T45-8914YFA | |
| 102 | 4" | 8 × 12 | 4 × 12, 3 × 12 | - | 4 | 7.8 | T45-10215YFA | |
| 102 | 4" | 8 × 13 | 4 × 12, 4 × 12 | - | 4 | 7.8 | T45-10216YFA | |
| 115 | 4 1/2" | 8 × 14 | 4 × 13, 3 × 12 | - | 4 | 7.8 | T45-11515YFA | |
 | 76 | 3" | 8 × 13 | 4 × 11, 1 × 11 | 1 | 4 | 3.5 | T45-7613YSA |
| 89 | 3 1/2" | 8 × 12 | 4 × 12, 1 × 12 | 1 | 4 | 4.7 | T45-8913YSA | |
| 示意图 | 直径 | 合金 | 水孔 | 净重 | 产品型号 | |||
[mm] | [in] | 边齿 [No.] × [mm] | 正齿 [No.] × [mm] | 侧面 [No.] | 正面 [No.] | [kg] | ||
 | 89 | 3 1/2" | 8 × 13 | 5 × 12 | 2 | 2 | 4.6 | T51-8913YFP |
| 102 | 4" | 8 × 14 | 7 × 12 | 1 | 2 | 7.1 | T51-10215YFP | |
| 102 | 4" | 9 × 12 | 6 × 12 | - | 3 | 7.1 | T51-10215YFP1 | |
| 115 | 4 1/2" | 9 × 14 | 7 × 13 | - | 3 | 10 | T51-11516YFP | |
| 115 | 4 1/2" | 9 × 14 | 6 × 13 | - | 3 | 10 | T51-11515YFP | |
| 127 | 5" | 9 × 14 | 7 × 13 | - | 3 | 13 | T51-12716YFP | |
| 89 | 3 1/2" | 8 × 12 | 4 × 11, 1 × 11 | 1 | 4 | 5.3 | T51-8913YFA |
| 89 | 3 1/2" | 8 × 12 | 4 × 12, 2 × 10 | 1 | 4 | 5.4 | T51-8914YFA | |
| 102 | 4" | 8 × 12 | 4 × 12, 3 × 12 | - | 4 | 7.8 | T51-10215YFA | |
| 102 | 4" | 8 × 13 | 4 × 12, 4 × 12 | - | 4 | 7.8 | T51-10216YFA | |
| 115 | 4 1/2" | 8 × 14 | 4 × 13, 3 × 12 | - | 4 | 7.8 | T51-11515YFA | |
| 115 | 4 1/2" | 8 × 14 | 4 × 14, 3 × 12 | - | 4 | 7.8 | T51-11515YFA1 | |
| 115 | 4 1/2" | 8 × 14 | 4 × 14, 4 × 12 | - | 4 | 10 | T51-11516YFA | |
 | 89 | 3 1/2" | 9 × 11 | 3 × 11, 2 × 10 | 1 | 3 | 4.8 | T51-8914YFA2 |
| 102 | 4" | 9 × 12 | 3 × 12, 3 × 11 | 1 | 3 | 6.9 | T51-10215YFA1 | |
| 110 | 4 21/64″ | 9 × 14 | 6 × 12, 2 × 11 | - | 3 | 10 | T51-11017YFA | |
| 127 | 5" | 8 × 16 | 4 × 14, 4 × 14 | - | 4 | 13.5 | T51-12716YFA | |
 | 102 | 4" | 8 × 14 | 4 × 13, 1 × 13 | - | 2 | 10.1 | T51-10213YSA |
| 115 | 4 1/2" | 9 × 14 | 6 × 12, 4 × 12 | - | 3 | 9.45 | T51-11519YSA | |
| 示意图 | 直径 | 合金 | 水孔 | 净重 | 产品型号 | |||
[mm] | [in] | 边齿 [No.] × [mm] | 正齿 [No.] × [mm] | 侧面 [No.] | 正面 [No.] | [kg] | ||
 | 92 | 3 5/8″ | 9 × 12 | 9 × 12 | - | 2 | 5.1 | GT60-9218YSP |
| 96 | 3 25/32″ | 9 × 12 | 9 × 12 | - | 2 | 6.5 | GT60-9618YSP | |
| 102 | 4" | 9 × 13 | 10 × 12 | - | 2 | 8.5 | GT60-10219YSP | |
 | 115 | 4 1/2" | 9 × 14 | 10 × 12 | - | 3 | 10.8 | GT60-11519YSP |
| 127 | 5" | 9 × 16 | 10 × 14 | - | 3 | 15 | GT60-12719YSP | |
| 140 | 5 1/2" | 9 × 16 | 10 × 14 | - | 3 | 15 | GT60-14019YSP | |
| 152 | 6" | 9 × 16 | 12 × 16 | - | 3 | 20 | GT60-15221YSP | |
 | 115 | 4 1/2" | 9 × 16 | 6 × 13 | - | 3 | 15 | GT60-11515YSP |
| 示意图 | 直径 | 合金 | 水孔 | 净重 | 产品型号 | |||
[mm] | [in] | 边齿 [No.] × [mm] | 正齿 [No.] × [mm] | 侧面 [No.] | 正面 [No.] | [kg] | ||
 | 89 | 3 1/2" | 10 × 12 | 4 × 12, 2 × 12 | - | 4 | 5 | ST58-8916YSA |
| 115 | 4 1/2" | 10 × 14 | 4 × 14, 4 × 14 | - | 4 | 10 | ST58-11518YSA | |
| 示意图 | 直径 | 合金 | 水孔 | 净重 | 产品型号 | |||
[mm] | [in] | 边齿 [No.] × [mm] | 正齿 [No.] × [mm] | 侧面 [No.] | 正面 [No.] | [kg] | ||
 | 102 | 4" | 10 × 12 | 4 × 12, 4 × 12 | - | 4 | 9.3 | ST68-10218YSA |
| 115 | 4 1/2" | 10 × 14 | 4 × 14, 4 × 14 | - | 4 | 10 | ST68-11518YSA | |
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