Hard Rock Drill Bit Roller Bit Water Well Drilling

• Customized: Customized
• Standard: API
• Length: Taper-length
• Type: Roller Cone Bit
• Material: Tungsten Carbide
• Usage: Well Drilling
• Model NO.: 12 1/4"
• Tooth Type: Milled Tooth; Insert Tooth; T.C.I
• Color: Customized
• Bearing Type: Sealed Bearing
• Certificate: API; ISO
• Transport Package: Cases
• Specification: 450*450*600mm
• Trademark: FL
• Origin: China
• HS Code: 8431432000
• Production Capacity: 10000PC/Year

Product Description

Available sizes: From 3 7/8 to 26"

IADC	WOB (KN/mm)	RPM (r/min)	Applicable Formations
114/116/117	0.3~0.75	180~60	Very soft formations with low compressive strength and high drillability, such as clay, mudstone, chalk, etc.
124/126/127	0.3~0.85	180~60	Soft formations with low compressive strength and high drillability, such as mudstone, gypsum, salt, soft limestone, etc.
134/135/136/137	0.3~0.95	150~60	Soft to medium 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 interbed, etc.
214/215/216/217	0.35~0.95	150~60	Medium formations with high compress strength, such as medium soft shale, hard gypsum , medium soft limestone, medium soft sandstone, soft formation with harder interbed, etc.
227	0.35~0.95	150~50	Medium hard formations with high compressive strength, such as abrasive shale, limestone, sandstone, dolomite, hard gypsum, marble,etc
Note: The upper limits of WOB and RPM in above table should not be used simultaneously.

IADC	WOB (KN/mm)	RPM (r/min)	Applicable Formations
417/437/  447/415/435	0.35~0.9	150~70	Very soft formations with low compressive strength and high drillability, such as clay, mudstone, chalk, gypsum, salt, soft limestone, etc.
517/527/515	0.35~1.0	140~60	Soft formations with low compressive strength and high drillability, such as mudstone, gypsum, salt, soft limestone, etc.
537/547/535	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 abrasive interbeds, etc.
617/615	0.45~1.1	90~50	Medium hard formation with high compress strength, such as hard shale, limestone, sandstone, dolomite. etc
637/635	0.5~1.2	80~40	Hard formations with high compressive strength, such as sandstone, limestone, dolomite ,hard gypsum, marble, etc.

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.