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Help CenterApi Drilling Hole Opener
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Specifications
drilling hole opener:it is made of tough heat treated alloy steel for maximum strength.
drilling hole opener
1.The Fixed Diameter Hole Opener is made of tough heat treated alloy steel for maximum strength.
2.Cutter arms,equipped with removable cutter.are hardfaced and welded on body.
3.Cutters are available in three types:type SM for soft to medium formation,type M H for medium to hard formation and type XH for hard formation.
4.The hole openers have three or six iet tubes with replaceable nozzles,SO that jet streams quickly clean the enlarged hole.
|
Hole opener OD |
Cutters |
Mix.hole |
Fishing neck |
Down thread |
Water hole |
Length |
||
|
length |
Dia. |
Up thread |
||||||
311(12-1/4) |
3 |
246(8-1/2) |
457.2(18) |
203(8) |
6-5/8REG |
4-1/2REG |
38.1(1-1/2) |
1524(60) |
444.5(17-1/2) |
3 |
266.7(10-1/2) |
457.2(18) |
241.3(9-1/2) |
7-5/8H90 |
7-5/8REG |
57.2(2-1/4) |
1752(69) |
660.4(26) |
3 |
444.5(17-1/2) |
457.2(18) |
241.3(9-1/2) |
7-5/8REG |
7-5/8REG |
76.2(3) |
1753(69) |
914.4(36) |
|
609.6(24) |
609.6(24) |
241.3(9-1/2) |
7-5/8REG |
7-5/8REG |
76.2(3) |
1905(75) |
914.4(36) |
4 |
457.2(18) |
457.2(18) |
254(10) |
7-5/8REG |
7-5/8REG |
88.9(3-1/2) |
2642(104) |
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