Fixed diameter hole openers

Product Details

Product Description

Product Description
The body of Fixed diameter Hole Opener is made of premium alloy steel and are heat treated, high strengh and reliable property.
Cutter arms equipped with removable cutter, which 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.

Type	Std. Opening Hole	Qty of cutters	Pilot Hole	Fishing neck			Down conn.	I.D	OAL	G.W with cutters
	mm(inch)		mm(inch)	length	Diameter	Up conn. API	API	mm(inch)	mm(inch)	(kg) approx.
				mm(inch)	mm(inch)	Up conn. API
KZ3-311	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''	360
KZ3-444	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''	550
KZ3-660	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''	900
KZ3-914	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''	1000
KZ4-914	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''	1540
When ordering or requesting quotation, if size out of above specification, pls. specify clearly.

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