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Hole Opener

Source： LONGER | [ 2013-09-16 ] Hits： 5739

The Fixed Diameter Hole Opener

It is made of tough heat treated alloy steel for maximum strength. Cutter arms, equipped with removable cutter, are hardfaced and welded on body. Cutters are available in three types: type SM for soft to medium formation, type MH for medium to hard formation and type XH for hard formation. The hole openers have three or six jet tubes with replaceable nozzles, so that jet streams quickly clean the enlarged hole.

Size: 12-1/4"～36"

Specification:

Std. Opening Hole mm(inch)	Qty. of Cutters	Pilot Hole （min.） mm(inch)	Fishing Neck		Up Conn. API	Down Conn. API	I.D. mm(inch)	OAL mm(inch)
Std. Opening Hole mm(inch)	Qty. of Cutters	Pilot Hole （min.） mm(inch)	Length mm（inch）	Dia. mm（inch）	Up Conn. API	Down Conn. API	I.D. mm(inch)	OAL mm(inch)
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)	3	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)

Note:When ordering or requesting for quote, please specify the detailed requirements.