16 ′ ′ HDD Hole Opener for Hard Rock Drilling Horizontal No-Dig

• Warranty: 3 Months
• Manufacturing Process: Forging
• Surface Treatment: Without Processing
• Operation Pressure: Atmospheric Pressure
• Material: Tungsten Carbide Insert
• Drill Type: HDD
• Model NO.: 617
• Palm Sizes: 8 1/2 Inch
• Applications: Horizontal Directional Drilling
• Type: Petroleum Drilling Machine
• Certification: ISO
• Transport Package: Wooden Case
• Specification: according requirement
• Trademark: HJ
• Origin: Hebei
• HS Code: 8207191
• Production Capacity: 100

Product Description

16inch HDD hole opener for hard rock drilling horizontal no-dig


Hole opener drill bit
1. Hole openers are designed for the enlargement of pilot holes and large hole applications. They
Are also used for road and river crossing application.
2. The hole openers are manufactured from AISI 4145H fully heat-treated alloy steel. All are available with carbide-milled teeth and insert cutters. Arms and cutters are hardfaced for protection in three different designs for varying conditions and rock formations. The design of the hole opener allows for field-changing the cutters. They has a wide range of hole opener types, including.
Cutting Structure
The reamer mainly consists of four or more cones. Cutting Structure with premium tungsten carbide hardfacing or premium tungsten carbide insert of formulas and new techniques is utilized, and increases wear-resistance capability of reamer. The pilot is three cone bit( tricone bit ).

Seal and Lubrication
High performance HNBR O-ring for bearing seal and advanced grease for lubrication.

Product Application
It is suitable for the large size well, mining and infrastructure applications.

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

Company Information

 Hejian Hengji Bit Manufacture Co.,LTD  is specialized in manufacturing high quality rock bit,especially for tricone bit,PDC bit,hole opener,single cone bit and drag bit.with advanced CNC machines and R&D team and on-time delivery. We have kept our clients ahead of schedule and under budget by providing the highest quality tools at the best possible prices .
    We ship to more than 40 different countries and serve industries such as Oil & Gas, water well , Construction,Mining,  Horizontal Directional Drilling (HDD), Geothermal and Environmental. Our experienced staff is here to assist you with everything from choosing the right bit to shipping around the globe.
     Our goal is to provide our customers with the best quality tools, accessories and service in the industry. We are supported by many years of experience, trained professionals and a full machine shop.  Reduce the cost ,Speed the drilling ,Guarantee the safety is always our aim.  We have been always insist on"Hengji bit,focusing on quality".  
 

Main products
tricone bit(mill tooth and tungsten carbide insert tricone bit)
PDC bit(matrix body and steel body PDC bit)
hole opener(HDD rock reamer,barrel reamer,etc)
drag bit(step drag bit,PDC drag bit,chevron drag bit,etc)
accessories(single cone,bit breaker,nozzle ,etc)   

Contact us
24 Hour Service Line:
[phone](Whatsapp)