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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カレンダー

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