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700mm 28inch Assembled Bit Hole Openerr For Water Well And Vertical Drilling

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Address: Junzi Guan Village, Xicun Township, Hejian City, Hebei Province, China

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700mm 28inch Assembled Bit Hole Openerr For Water Well And Vertical Drilling

Country/Region	china
City & Province	hebei
Categories	Other Non-Metallic Minerals & Products

Product Details

700mm 28inch Assembled Bit Hole Openerr For Water Well And Vertical Drilling

The Hole Opener Advantage fully heat-treated alloy steel. With cutters for Soft,Medium Hard format Straighter Holes - By drilling a smaller hole with a "pilot" bit, then attaching that said bit onto the bottom of the the hole opener. The hole opener will follow the path of the hole drilled by the smaller bit. Larger Holes with Smaller Rigs - By drilling a hole in stages, larger holes can be drilled with smaller rigs. A smaller hole requires less power. Replacing Cutters and Cutting Cost - On most Hole Opener designs, the cutters can be easily replaced. The cost to replace a cutter is a fraction of the cost to replace a large tricone rock bit. Cost of Large Rock Bits - Larger diameter rock bits not only cost a lot, they can be difficult to find. A more economic solution is to use a hole opener that uses smaller tricone rock bit segments..

Reamer size(inch)	9-78
Center pipe diamater	90-230
Thread connection	Pin*box (IF,REG,NC,FH) or as ordered

Application

Application Expanding rock holes in water wells, oil wells, natural gas wells, mine shafts, etc. Advantages: Low cost and high performance-to-price ratio. Dramatically reduce drilling costs