Product Introduction
EDH40 (patented) loaded spring drifter. Powerful blow generated by spring force excerts excellent boring capabily superceeding others of the same class.
Product Features
- Patented spring loaded drifter.
- Centralizer supporting up to 133mm pipe.
- Stable operation has been made possible even for vertical posture by developed frame of low center of gravity.
- Covering a wide range from −7° to vertical 90°.
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