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| Address: SHIMA ROAD,LOU |
| XING DISTRICT,LOUDI,HUNAN |
| PROVINCE,P.R.CHINA 417000 |
| Phone: 0086-738-8261060 |
| Fax: 0086-738-8261062 |
| Mobile : 0086-13707380851 |
| Email: lsj988@188.com |
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| When vertical drilling is difficult, drill horizontal holes with some slope. |
| d |
32-35 mm |
| 1 1/2"-1 3/4" |
| L |
40-60 cm |
| 1'4"-2' |
| D |
70% of Height |
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