Spiral Drill Collar
Negotiable /Metric Ton
Min.Order:1 Metric Ton
Beijing Hengzhixinda Trade Co., Ltd.
Dimensiond of spiral groove:
D | A Depth of cut mm | ±25.4 pttch mm | B Depth of cut mm | |
mm | in | |||
98.4 | 3-7/8 | 4.0±0.79 | 914 | |
101.6 -111.1 | 4~4-3/8 | 4.8±0.79 | 914 | |
114.3-130.2 | 4-1/2~5-1/8 | 5.6±0.79 | 965 | |
133.4-146.1 | 5-1/4~5-3/4 | 6.4±0.79 | 1067 | |
149.2-161.9 | 5-7/8~6-3/8 | 7.1±1.59 | 1067 | |
165.1-177.8 | 6-1/2~7 | 7.9±1.59 | 1168 | |
181.0-200.0 | 7-1/8~7-7/8 | 8.7±1.59 | 1626 | 5.6±0.79 |
203.2-255.4 | 8~8-7/8 | 9.5±1.59 | 1727 | 6.4±0.79 |
228.6-250.8 | 9~9-7/8 | 10.3±2.37 | 1829 | 7.1±1.59 |
254.0-276.2 | 10~10-7/8 | 11.1±2.37 | 1930 | 7.9±1.59 |
279.4 | 11 | 11.9±2.37 | 2032 | 8.7±1.59 |