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Vigor Drilling, Hole opener manufacturer, is specialized in Hole Opener, it is used to enlarge the diameter of pre-drilled hole or connect with a bit on front end to drill pilot hole and enlarge hole simultaneously.
Our AISI 4145H Hole Opener with fully heat-treated alloy steel, is available with carbide-milled teeth and insert cutters. Hole Opener's arms and cutters are hardfaced for protection in three different designs for varying conditions and rock formations.The design of the hole opener allows for field-changing cutters.
China Vigor, Hole opener manufacturer, will be glad to provide the best tools for you.
Hole open diameter Qtyof cutters Min. Pilothole Fishing neck diameter ID Top connection (pin) Bottom connection (Box) Overall length 121/4" 3 81/2" 8" 11/2" 65/8REG 65/8REG 55" 16 3 10" 91/2" 21/4" 75/8REG 65/8REG 59" 171/2" 3 10" 91/2" 21/4" 75/8REG 65/8REG 59" 22" 3 123/4" 91/2" 21/3" 75/8REG 65/8REG 69" 23" 3 123/4" 91/2" 3" 75/8REG 65/8REG 69" 24" 3 14" 10" 3" 75/8REG 75/8REG 69" 26" 3 171/2" 10" 3" 75/8REG 75/8REG 69"
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Tel:0086-29-87572460
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0086-29-87572461
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0086-29-87572462
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Fax:0086-29-81127932

Hole Opener
Size: from 12 1/4" to 36"
Material : AISI 4145H Hole Opener.
Price of AISI 4145H Hole Opener is competitive.
Hole opener manufacturer, could design the special size.
Roller wheel can be changed easily on the drill site.
(Suitable to abrasive layer, hard layer and soft layer respectively.)
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