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driling button bit
- 500 Piece / Pieces per Month
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Product Details
Place of Origin | Hubei, China | Brand Name | hj | |
Model Number | hj-21 | Type | Other, drill bits | |
Material | Soft Low Carbon Steel | Use | Metal Drilling |
Product Description
Specifications
driling button bit1.High quality with reasonable price
2. Fast drilling rate
3. Strong cutting structuly
4.custom
Main products: tricone bits,pdc bits,Single cone bit,assembly bits,etc.
Size:2 inch~36 inch.
IADC:114 115 125 215 216 217 247 324 325 417 427 515 527 535 537 617 737 827 837
Different IADC CODE fits different formation
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. |
Note: The upper limits of WOB and RPM in above table should not be used simultaneously. |
Hejian Hengji Bit Manufacture Co., Ltd we have been in line with the belief of "faith-based, quality of survival and mutual benefit, provides the highest quality products and attentive service for our customers". We are looking forward to establishing relationships with you in the near future.
1. How to order the products?Answer:
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?Answer :
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, usually from China to European about 25 days. To West of American 20 days.
3.Can I expect a quality products? Answer :
Yes. All our activities are accredited to ISO 9001:2008 and API, both in products and services, at the same time, mature production technology ensuring the quality satisfy international request.
Contact Us
- Hejian Hengji Bit Manufacture Co., Ltd.
- Contact nameHengji Bits Chat Now
- Phone86-317-8114222
- AddressXicun Development Zones, Cangzhou, Hebei
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