SD型鉆桿卡瓦
SD型鉆桿卡瓦使用的鉆桿直徑為23/8-51/2 in（60.3-139.7mm）。按卡瓦牙與鉆桿的接觸長度分為短型SDS、中型SDML、和加長型SDXL。SDS適用與淺井、SDML適用與中深井、SDXL適用于深井。
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技術參數
| 型號 | 鉆桿直徑OD mm(in) | 牙板 | 重量 | ||||
| in | mm | Code | Quantity | ||||
| SDS-S | 3 1/2 | 2 3/8 | 2 3/8 | 60.3 | 2160 | 18 | 38 |
| 2 7/8 | 2 7/8 | 73 | 2161 | 18 | 37 | ||
| 3 1/2 | 3 1/2 | 88.9 | 2162 | 18 | 36 | ||
| SDS | 3 1/2 | 2 3/8 | 2 3/8 | 60.3 | 2160 | 24 | 71 |
| 2 7/8 | 2 7/8 | 73 | 2161 | 24 | 68 | ||
| 3 1/2 | 3 1/2 | 88.9 | 2162 | 24 | 66 | ||
| 4 1/2 | 3 1/2 | 3 1/2 | 88.9 | 2163 | 36 | 83 | |
| 4 | 4 | 101.6 | 2164 | 36 | 80 | ||
| 4 1/2 | 4 1/2 | 114.3 | 2165 | 36 | 76 | ||
| SDML | 3 1/2 | 2 3/8 | 2 3/8 | 60.3 | 2160 | 30 | 98 |
| 2 7/8 | 2 7/8 | 73 | 2161 | 30 | 95 | ||
| 3 1/2 | 3 1/2 | 88.9 | 2162 | 30 | 92 | ||
| 4 1/2 | 3 1/2 | 3 1/2 | 88.9 | 2163 | 45 | 105 | |
| 4 | 4 | 101.6 | 2164 | 45 | 101 | ||
| 4 1/2 | 4 1/2 | 114.3 | 2165 | 45 | 96 | ||
| 5 | 4 | 4 | 101.6 | 2168 | 45 | 103.5 | |
| 4 1/2 | 4 1/2 | 114.3 | 2166 | 45 | 100 | ||
| 5 | 5 | 127 | 2167 | 45 | 95 | ||
| 5 1/2 | 4 1/2 | 4 1/2 | 114.3 | 2168 | 45 | 101 | |
| 5 | 5 | 127 | 2169 | 45 | 97 | ||
| 5 1/2 | 5 1/2 | 139.7 | 2170 | 45 | 92 | ||
| SDXL | 4 1/2 | 3 1/2 | 3 1/2 | 88.9 | 2163 | 54 | 118 |
| 4 | 4 | 101.6 | 2164 | 54 | 114 | ||
| 4 1/2 | 4 1/2 | 114.3 | 2165 | 54 | 108 | ||
| 5 | 4 | 4 | 101.6 | 2168 | 54 | 116 | |
| 4 1/2 | 4 1/2 | 114.3 | 2166 | 54 | 112 | ||
| 5 | 5 | 127 | 2167 | 54 | 106 | ||
| 5 1/2 | 4 1/2 | 4 1/2 | 114.3 | 2168 | 54 | 116 | |
| 5 | 5 | 127 | 2169 | 54 | 111 | ||
| 5 1/2 | 5 1/2 | 139.7 | 2170 | 54 | 105 | ||
