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FSG Series FLRT Tricone Roller Bit 12 1/4" FSG124 311mm Steel Tooth Bit

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China FLRT Bit certification
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FSG Series FLRT Tricone Roller Bit 12 1/4" FSG124 311mm Steel Tooth Bit

FSG Series FLRT Tricone Roller Bit 12 1/4" FSG124 311mm Steel Tooth Bit
FSG Series FLRT Tricone Roller Bit 12 1/4" FSG124 311mm Steel Tooth Bit

Large Image :  FSG Series FLRT Tricone Roller Bit 12 1/4" FSG124 311mm Steel Tooth Bit

Product Details:
Place of Origin: China
Brand Name: FLRT
Certification: API-7-1, ISO 9001:2008
Model Number: 12 1/4" FSG124
Payment & Shipping Terms:
Minimum Order Quantity: 1~10pcs
Packaging Details: plywood box / iron box
Delivery Time: 5~45 workdays
Supply Ability: 300pcs per quarter
Detailed Product Description
Bearing Type: Sealed Roller Bearing Cutting Material: Steel Tooth
Standard: API-7-1, ISO 9001:2008 Series: FSG
IADC: 124 Bit Size: 12 1/4" ( 311.2 Mm )
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tricone rock roller bits

12 1/4" FSG124 , 311mm Steel Tooth Bit , Sealed Roller Bearing , Tricone Roller Bit , Alloy Hard Facing on Tooth

 

 

SIZE AVAILABLE


From 5 7/8inch to 36inch

 

RECOMMENDED DRILLING PARAMETERS FOR APPLICATION

 

Types & IADC Code

114

115

124

125

134

135

214

215

244

245

324

325

WOB KN/mm(Bit Dia.) 0.3~0.75 0.3~0.85 0.3~0.95 0.35~0.95 0.35~0.95 0.4~1.0
Lb/in. (Bit Dia.) 1712~4285 1715~4857 1715~5428 2000~5428 2000~5428 2285~5714
Rotation Speed (Rpm) 200~80 200~80 180~80 180~80 180~60 150~60

 

The above chart represents commonly available sizes and types, we do produce other sizes and types of rock bits which do not appear on this list. Please contact us for more information.

 

 

ROTARY SPEED

 

The ROP will also be affected by the rotary speed of the bit and an optimum speed must be determined. The RPM influences the ROP because the teeth must have time to penetrate and sweep the cuttings into the hole. Figure 28 shows how ROP varies with RPM for different formations. The non-linearity in hard formations is due to the time required to break down rocks of higher compressive strength. Experience plays a large part in selecting the correct rotary speed in any given situation.

 

 

The RPM applied to a bit will be a function of :

 

a. Type of bit


In general lower RPMs are used for insert bits than for milled tooth bits. This is to allow the inserts more time to penetrate the formation. The insert crushes a wedge of rock and then forms a crack which loosens the fragment of rock.


b. Type of formation


Harder formations are less easily penetrated and so require low RPM. A high RPM may cause damage to the bit or the drill string.

Contact Details
FLRT Bit

Contact Person: sales

Tel: +8613693012264

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