8.5′′ Inch Water Well TCI Tricone Drill Bits Bearing Bit IADC 537

• Customization: Available
• After-sales Service: Provided
• Warranty: 6 Months
• Model NO.: HXRB Series
• Certification: CE, ISO9001: 2008
• Condition: New
• Material: High Manganese Steel, Carbide
• Weight: 5kg~810kg
• Application: Excavator
• Transport Package: Wooden Case
• Specification: 38 * 34 * 52 cm
• Trademark: EVER STAR
• Origin: China
• HS Code: 8420990000
• Production Capacity: 1000PCS/Month

Product Description

8.5'' Inch Water Well Tci Tricone Drill Bits Bearing Bit IADC 537

HM Series Metal Sealed Bearing Bits

Main structure features:
Metal face seal journal bearing.
New processes of head bearing hardfacing and cone bearing siver plating are used to improve theload capacity,anti-galling ability and stability of the bearing.
Various shapes of inserts can be equipped on this series of bits, including scoop inserts,wedge inserts,conical-spherical inserts and double spherical in serts,etc.
Drifing process&formation and bit are efficient integrated by scientific insert shape selection to realize safety and high efficient drilling

Bit Size		Bit Type
In	mm
7 7/8	200.0	HM437,HM447,HM517,HM537
8 1/2	215.9	HM417,HM437,HM447,HM517,HM527,HM537,HM547
8 3/4	222.3	HM437,HM447,HM517,HM527
91/2	241.3	HM437,HM447,HM517,HM537,HM547
9 7/8	250.8	HM437,HM517
101/2	266.7	HM517,HM537,HM547
10 5/8	269.9	HM517,HM537,HM547
12	304.8	HM517,HM537,HM547
12 1/4	311.2	HM417,HM437,HM447,HM517,HM537
13 1/2	342.9	HM517,HM537,HM547
14 3/4	374.7	HM517,HM537,HM547
17 1/2	444.5	HM517,HM517,HM527
18 7/8	479.4	HM517,HM537

8.5'' Inch Water Well Tci Tricone Drill Bits Bearing Bit IADC 537

Recommend Drilling Parameters:

IADC	WOB (KN/mm) (Bit Dia)	RPM (r/min)	Applicable Formations
117	0,35-0,8	240-80	Very soft formatlons with low compressive strength and high drillabilty,such as clay.mudstone chalk.etc
127	0.35-0.9	240-70	Soft formations wih low compressive strength and high drillabitily,such as mudstone.gypsum,salt, soft shale,soft limestone,etc
217	0,35-0,9	240-70	Medium hard with low compressive strength and high drillability.such as hard shale,sandstone and limestone.etc.
417	0.35-0,9	240-70	Very soft formations with low compressive strength and high drillability,such as clay,mudstone chalk.qypsum.salt.soft shale,soft Iimestone.etc
437 447	0.35-0.9	240-70
517 527	0.35-1.0	220-60	Soft formations with low compressive strength and high drillabaly.such as mudstone.gypsum,salt,solt shale.solt limestone etc.
537	0,45-1,0	220-50	medium formations with low compressive strength,such as medium soft shale.medium soft limestone.medium soft sandstone.medium formation with harder and abrasiver interbeds,etc
617 627	0.45-1.1	200-50	Medium hard formation with high compressive strength.such as hard shale.limestone.sandstone.dolomite.elc
637	0.5-1.1	180-40	Hard formations with high compressive strength.such as sandstone.limestone. dolomite.hard qypsum.marble etc.
737	0.5-1.1	150-40	Hard formations wih high compresave strength,such as hard limestone,dolomite

Advantages:
1. Forged alloy steel body.
2. Neck protection.
3. Carbide teeth with Hard alloy nozzle.
4. welding surface with hard alloyProfessional thread protector.
Package:

Certificates:

How to order the products?

An.: 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.

2. About lead time and shipping time?

Ans.:The lead time depend on quantity of order. Usually shipped by sea, small order or urgent order we can send you by air after received your agreement. According the distance from china to your port.
 

3. What warranty do we provide?
Ans.: We provide 6 months warranty time. 

4. What is the lead time?
Ans.: Usually the lead time is 7-10 days after receipt of your payment.

5.What payment terms do we accept?
Ans.: We accept T/T in advance or L/C at sight.


Xuzhou Hengxing Jinqiao Machinery Technology Co., Ltd covers an area of more than 50 acres and with factory area about 20000 square meter.

We are the professional construction machinery manufacture for kelly bar,  drilling tools and pile driver with our own R&D and sales team.

We have passed the international Quality Certification of ISO9001:2008,our engineers are skilled in using AUTO-CAD,PRO-E and UG to design products, for the development of new products, they strictly implement the APQP&PPAP program. We provide customized services and all products meet the ISO9001 standard,also we have filed many patents.

Our main product kelly bar and drilling tools absorbs a number of advanced technology from home and abroad , with special advantages of high wear resistance and high torque, now we are the nominated supplier of kelly bar for rotary drilling rig manufactures from both home and abroad, such as SOILMEC, CMV, MAIT, IMT, ZOOMLION,CSR,CHTC JOVE,OSAINT etc.

 

8.5'' Inch Water Well Tci Tricone Drill Bits Bearing Bit IADC 537