Product Details

Fixed Diameter Hole Opener

The Fixed Diameter Hole Opener 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.

When ordering or requesting quotation, if size other than above specifications, please specify clearly! Please feel free to contact us for more details and more products.

Specification:

Type	Std. Opening Hole mm(inch)	Qty. of Cutters	Pilot Hole mini mm(inch)	Fishing Neck			Down Conn. API	I.D. mm(inch)	OAL mm(inch)	Weight with Cutters (kg) approx.
Type	Std. Opening Hole mm(inch)	Qty. of Cutters	Pilot Hole mini mm(inch)	Length mminch	Dia. mminch	Up Conn. API	Down Conn. API	I.D. mm(inch)	OAL mm(inch)	Weight with Cutters (kg) approx.
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