• 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

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: +86 18232837832(Whatsapp)