Mining Tricone Bit, 9 7/8 12 1/4 Inch Hole Drilling

• Customized: Customized
• Standard: API
• Length: Taper-length
• Type: Mining
• Material: Solid Carbide
• Usage: Mining
• Model NO.: tricone bit
• Color: Customized
• Transport Package: Wooden
• Specification: Customized
• Trademark: Feilong
• Origin: China
• HS Code: 843143
• Production Capacity: 100000

Product Description

Product Description

FK Series Air Cooling Roller Bearing Tricone Bit

ADC code	537
Bit size	12 1/4" (311.2mm)
Tooth type	TCI Spherical Teeth
Thread connections	According to API Spec7-1 standard
API REG Pin	6 5/8 Inch
Material	Tungsten carbide insert, inlaid friction-reducing alloy
Rotary speed	100~60 rpm
WOB	0.4~0.8 KN/mm
Cutting structure	The wear resistance of teeth is enhanced with premium tungsten carbide hardfacing on the tooth surfaces for steel tooth bit. The durability of premium tungsten carbide inserts is improved with new formulas and new techniques for insert bit.
Gauge structure	Multiple gauge protection with gauge trimmers on the heel and gauge inserts on the gauge surface of the cone, tungsten carbide inserts and hardfacing on the shirttail increase gauge holding capability and bearing life
Jet Nozzles	Three nozzles
Multiple gauge protection	Yes
Product Application	It can receive higher WOB and faster rotary speed than conventional roller bearing bits. It is suitable for high RPM applications.
Bearing Structure	Air cooling roller bearing package. Balls lock the conem, which reduces the probability of cone-dropping to the minimum.
Quality management system	ISO 9001-2008
Formations	It is suitable for medium hard formations with high compressive strength, such as hard shale,limestone,sandstone,dolomite,etc..
Bit weight	95kgs to 102.2 kgs

Company Information
Established in 1989, Hejian City Feilong Retop Rock Bit Manufacture Co., Ltd is a comprehensive enterprise with highly specialized expertise in design, R&D and manufacture of tri-cone and PDC drill bits. We cover an area of 27 acres in the vast expanse of central Hebei Plain, surrounded by the major oil fields and enjoy favorable transport convenience. 

Our products are certified by API7-I, ISO 9001: 2008, ISO14001: 2004 and OHSAS 18001: 2007. Our products have been marketed in major Chinese provinces, municipalities and exported to over forty countries and regions in Europe, Asia, Africa and Americas, with good reputation ascribed to our superior quality and competitive price. Equipped with advanced technology, facilities and management, we are manufacturing high performance tri-cone drill bits and PDC bits applied in oil, gas and mining exploitation, complying with highest technical quality standards and API specification. 

"Quality First, Customer Foremost" is the permanent principle we are adhering to and we are looking forward to establishing long-term mutual business partnerships with customers around the globe.

Regular Models of Tricone Bits
Regular Sizes	Regular IADC	API Reg Pin	Make-up Torque(N.m)
3 7/8"(98.4mm)	126/216/517/537/637	2 3/8	4100~4700
4 5/8"(117.4mm)	126/216/517/537/637	2 7/8	6100~7500
5 1/2"(139.7mm)	126/216/517/537/617/637	3 1/2	9500~12200
5 5/8"(142.8mm)	126/216/517/537/617/637	3 1/2	9500~12200
5 7/8"(149.2mm)	126/216/517/537/617/637	3 1/2	9500~12200
6"(152.4mm)	126/127/216/517/537/617/637	3 1/2	9500~12200
6 1/4"(158.7mm)	126/127/216/517/537/617/637	3 1/2	9500~12200
6 1/2"(165mm)	126/127/216/517/537/617/637	3 1/2	9500~12200
7 1/2"(190mm)	126/216/517/537/637	4 1/2	16300~21700
7 5/8"(193mm)	126/216/517/537/637	4 1/2	16300~21700
7 7/8"(200mm)	126/216/517/537/637	4 1/2	16300~21700
8 1/2"(215.9mm)	117/127/217/437/517/537/617/637	4 1/2	16300~21700
9 1/2"(241.3mm)	117/127/217/437/517/537/617/637	6 5/8	38000~43400
9 7/8"(250.8mm)	117/127/217/437/517/537/617/637	6 5/8	38000~43400
10 5/8(269.8mm)	117/127/137/217/517/537/617/637	6 5/8	38000~43400
11 5/8(295.3mm)	117/127/137/217/517/537/617/637	6 5/8	38000~43400
12 1/4"(311.1mm)	114/127/217/437/517/537/617/637	6 5/8	38000~43400
13 5/8"(346.0mm)	127/217/517/537/617/637/737/837	6 5/8	38000~43400
14 3/4"(374.6mm)	127/217/517/537/617/637/737/837	7 5/8	46100~54200
17 1/2"(444.5mm)	114/115/125/215/515/535/537/615/635	7 5/8	46100~54200
20''(508.0mm)	114/115/125/215/515/535/537/615	7 5/8	46100~54200
22''(558.8mm)	114/115/125/215/515/535/537/615	7 5/8	46100~54200
24''(609.6mm)	114/115/125/215/515/535/537/615	7 5/8	46100~54200
26"(660.4mm)	114/115/125/215/515/535/537/615	7 5/8	46100~54200

 

 

FAQ
1. Is your company a distributor or a manufacturer?
A:  Yes,We are a professional Rock Bits manufacturer in China.
 
2. How  about your products?
A : All our activities are accredited to ISO 9001:2008, both in products and services, at the same time, mature production technology ensuring the quality satisfy international request.

3.what is the Packaging & Delivery?
A:We used high quality export carton or standard export woodern case

4.what is the time about the delivery?
A: repared to deliver within 1 week, if in stock.
Depends on order quantity, when out of stock,7-30days
Transportation:By sea or air

5. How to order the products?
A: Send the inquiry with detail item description or with Model number. If there is no packing demand we take it as sea-way packing. If possible please attach one reference picture to avoid any misunderstanding or any links from our website for we get a better understanding.