HDD Hole Opener Water Well Drilling Trenchless

• Type: Drill Bit
• Material: Alloy Steel, Tungsten Carbide
• Usage: Well Drilling
• Model Number: PDC Bits
• Certification: API & ISO
• Bearing Type: Sealed Bearing and Non-Sealed Bearing
• Model NO.: 637 code
• Suitable Formation: Soft, Medium Soft, Hard, Medium Hard, Very Hard
• Color: Blue or Red
• IADC Code: 114~837
• Transport Package: Wooden Case
• Specification: according requiments
• Trademark: HJ
• Origin: China
• HS Code: 8207191
• Production Capacity: 500

Product Description

 Hole Opener Water Well Drilling Oil Hole Opener

    hole openers are used worldwide by major drilling contractors. 

Their robustness and durability ensure safe operations while minimizing maintenance and rig costs. They are manufactured with the number of cutters adapted to the work required.

All our hole openers are field maintainable, with easy assembly and disassembly. They are all equipped with 3 or 4 cutters, as well as mud nozzles carefully positionned to clean the cutters and the hole simultaneously.

Technical specifications and parameters for Hole Opener
Type	Hole open dia.(in)	Qty of cutter	Min. pilot hole(in)	Fishing neck dia.(in)	I.D(in)	Top Conn. (pin)	Bottom Conn.(box)	Overall length(in)
HO 311	12 1/4	3	8 1/2	8	1 1/2	6 5/8REG	6 5/8REG	55
HO 406	16	3	10	9 1/2	2 1/4	7 5/8REG	7 5/8REG	59
HO 444	17 1/2	3	10	9 1/2	2 1/4	7 5/8REG	7 5/8REG	59
HO 559	22	3	12 3/4	9 1/2	2 1/3	7 5/8REG	7 5/8REG	69
HO 584	23	3	12 3/4	8	3	6 5/8REG	6 5/8REG	69
HO 610	24	3	14	10	3	7 5/8REG	7 5/8REG	69
HO 660	26	3	17 1/2	10	3	7 5/8REG	7 5/8REG	69
HO 4-914	36	4	26	10	3 1/2	7 5/8REG	7 5/8REG	87