Hole Opener

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Product Description

Technical Features：

BZ Fixed Diameters hole openers are made of tough treaded allow steel for maximum strength. Cutter arms are hard faced and welded on body, equipped with removable cutters. Cutters are available in three types.

- Type SM is for soft to medium formations.

- Type MH for medium to hard formation

- Type XH for hard formation. The hole openers have three or six jet tubes with replaceable nozzles, so that jets streams quickly clean the enlarged hole.

Main Parameters

Hole Size (inch)	Number of Cutters	Pilot Hole (Min)	Fishing Neck (in)			Bottom	Bore (inch)	Overall Length (in ch)	Weight w/cutters(kg)
Hole Size (inch)	Number of Cutters	Pilot Hole (Min)	Length	Dia	Top Conn.	Bottom	Bore (inch)	Overall Length (in ch)	Weight w/cutters(kg)
17 1/2	3	10-1/2"	18"	9-1/2"	7 5/8 Reg.	7 5/8 Reg	2 1/4	59	550
26"	3	17 1/2"	18"	10"	7 5/8 Reg.	7 5/8 Reg	3	69	900
36"	3	24"	20"	9"	7 5/8 Reg.	7 5/8 Reg	3	75	1000
36"	4	18"	43"	10"	7 5/8 Reg.	7 5/8 Reg	3	100	1540

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