Drilling Tools 17 1/2" Sealed Roller Steel Tooth Tricone Rock Bit

• Customization: Available
• Standard: API & ISO
• Type: Drill Bit
• Material: Alloy Steel, Tungsten Carbide
• Model Number: Steel Tooth Bit, TCI Bit
• Bearing Type: Sealed Bearing and Non-Sealed Bearing
• 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

drilling tools 17 1/2"  sealed roller steel tooth tricone rock bit

 

 

   

Basical Parameter
Bit Size	17 1/2"(444.5MM)
IADC Code	115
Connection	7 5/8"API reg pin
Nozzle Qty	3NZ
Make up Torque(KN.m)	46.1~54.2
Operating Parameter
Rotary Speed(rpm)	180~60
Weight on Bit(KN/MM)	0.3-0.75
Formation	Very soft formation with low compressive strength ,and high drillability ,such as clay, mudstone,chalk,etc.

 

Bit Size		Bit Type
in	mm
31/2	88.9	HR527
45/8	117.5	HR126	HR517
43/4	120.7	HR116
57/8	149.2	HR216	HR537	HR547	HR637
6	152.4	HR117	HR216	HR246	HR517	HR547
61/4	158.8	HR127	HR247	HR517	HR527	HR547	HR637
61/2	165.1	HR127	HR217	HR517	HR537
63/4	171.5	HR116	HR447	HR537
71/2	190.5	HR127	HR217	HR517	HR517	HR527	HR527	HR617
77/8	200	HR177	HR437	HR517	HR527	HR537	HR547	HR547	HR617	HR627	HR637
83/8	212.7	HR217	HR527	HR547
81/2	215.9	HR117	HR127	HR137	HR217	HR247	HR437	HR447	HR517	HR527	HR537
		HE547	HR617	HR627	HR637
83/4	222.3	HE116	HR437	HR517	HR537	HR627
91/2	241.3	HR117	HR127	HR417	HR437	HR517	HR527	HR537	HR547	HR617
95/8	244.5	HR117	HR127	HR137	HR217	HR437	HR517	HR527
97/8	250.8	HR117	HR127	HR137	HR217	HR417	HR437	HR517	HR527
105/8	269.9	HR127	HR217	HR437	HR517	HR547
115/8	295.3	HR117	HR127	HR137	HR217	HR147	HR517	HR537	HR547
121/4	311.2	HR117	HR127	HR137	HR417	HR437	HR517	HR527	HR537
		HR547	HR617	HR627	HR637
135/8	346.1	HR437	HR517	HR537
133/4	349.3	HR437	HR517	HR537
143/4	374.7	HR117	HR127	HR137	HR517	HR527
151/2	393.7	HR127	HR217	HR517	HR527	HR537	HR547
16	406.4	HR117	HR127	HR127	HR517	HR527	HR537	HR547
171/2	444.5	HR117	HR127	HR137	HR437	HR517	HR527	HR537	HR547
18	457.2	HR547

  

IADC	WOB	RPM	Applicable Formations
	(KN/MM)	(r/min)
	(Bit Dia)
116  117	0.35~0.8	150~80	Very soft formations with low compressive strength and high drillability,such as clay,mudston,chalk etc.
126  127	0.35~0.9	150~70	Soft formations with low compressive strength and high drillability,such as mudstore,gypsum,salt,softshale.soft limestone,ect.
136  137	0.35~1.0	120~60	Soft to mesium soft formations with low compressive strength and high drillability.such as medium soft shale,hard gypsum,medium soft limestone.medium soft sandstone soft formation with harder nterbeds,ect.
216  217	0.4~1.0	100~60	Medium hard formations with high compressive strength,such as medium soft shale,hard gypsum,medium soft limestone,medium soft sandstone,soft formation with harder interbeds ect.
246  247	0.4~1.0	80~50	Medium hard formations with high compressive strength,such as abrasive shale.limestone,sandstone,dolomite,hard gypsum,marble,ect.
417  437	0.35~0.9	150~70	Very soft formations with low compressive strength and high drillability,such as clay,mudston,chalk,gypsum,salt,soft shale,soft limestone,etc.
447
517  527	0.35~1.0	140~60	Soft formations with low compressive strength and high drillability,such as mudstore,gypsum,salt,soft shale.soft limestone,ect.
537  547	0.45~1.0	120~50	Soft to medium formations with low compressive strength,such as medium soft shale,medium soft limestone,medium soft sandstone,medium formation with harder and abrasiver interbeds,ect.
617  627	0.45~1.1	90~50	Medium hard formations with high compressive strength,such as hard shale,limestone,sandstone,dolomite,ect.
637	0.5~1.2	80~40	Hard formations with high compressive strength,such as sandstone,limestone,dolomite,hard gypsum,marble,ect.

Packaging

Wood Box

Fumigation Tray if necessary

Other special package can be applied

according to customer's need

 

Delivery

Lead Time:

Prepared to deliver within 1 week, if in stock

Depends on order quantity, when out of stock

Transportation:By sea or air

  

    Hejian Hengji Bit Manufacture Co.,LTD  was established in 1990. 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 60 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".