Bits With 4 Pieces Rotary Drilling Rig Components Teeth Holders Of Buckets And Augers
Bits with 4 pieces teeth holders of buckets and augers
The rotary drilling pick produced by our company is made of raw material alloy made of coarse particles and vacuum low pressure sintering, and high-quality 42CrMo alloy steel by forging, finishing and welding. We adopt advanced welding technology and heat treatment process to avoid the early failure of the pick due to alloy falling off during construction. The pick has a long service life, high impact resistance and wear resistance during use.
Product Advantages
| Material | Large alloy |
| Various hardness available | The most cost-effective teeth can be recommended according to various hardness and formations as per customer needs ； |
| Many choices of teeth shape | Wear-resistant weld, bar, point, dot, thread, smooth and other appearances; diversified appearances to meet different customer needs; |
| Inventory | Large inventory and spot supply; |
| Production workshop | Videos and pictures of the manufacturing process provide visible details and quality; |
| Working Performance | Comparison of working photos of domestic, international and Unicorn teeth under same construction, Unicorn teeth have better performance after use; |
| Package | Plastic boxes, unified wooden box with reinforced with sealing strips etc; |
Applicable layers: dense sand, gravel, hard rocks and very hard formation, etc..
Sizes: From 2 7/8 to 26"larger sizes for hole opener bit ,reamer bit.
Type: 437,517,537,617,637
Hardness: 50-54 or higher HRC
ROLLER BITS IADC CODE SELECTION
| IADC | WOB | RPM |
| (KN/mm) | (r/min) | |
| 111/114/115 | 0.3-0.75 | 200-80 |
| 116/117 | 0.35-0.8 | 150-80 |
| 121 | 0.3-0.85 | 200-80 |
| 124/125 | 180-60 | |
| 131 | 0.3-0.95 | 180-80 |
| 136/137 | 0.35-1.0 | 120-60 |
| 211/241 | 0.3-0.95 | 180-80 |
| 216/217 | 0.4-1.0 | 100-60 |
| 246/247 | 0.4-1.0 | 80-50 |
| 321 | 0.4-1.0 | 150-70 |
| 324 | 0.4-1.0 | 120-50 |
| 437/447/435 | 0.35-0.9 | 240-70 |
| 517/527/515 | 0.35-1.0 | 220-60 |
| 537/547/535 | 0.45-1.0 | 220-50 |
| 617/615 | 0.45-1.1 | 200-50 |
| 637/635 | 0.5-1.1 | 180-40 |
| Note: Above limitts of WOB and RRPM should not be used simultaneously | ||
ROLLER PIN SIZE
| Bit Diameter | API PIN | |
| (Inch) | (mm) | |
| 3 7/8''~5 1/4'' | 98~134 | 2 3/8''. 2 7/8'' |
| 5 5/8''~6 3/4'' | 143!171 | 3 1/2'' |
| 7 1/2''~9 1/2'' | 190.5~241 | 4 1/2'' |
| 9 5/8''~13 3/4'' | 245~350 | 6 5/8'' |
| 14 5/8''~26'' | 371~660.4 | 7 5/8'' |
FACTORY PHOTO
EXHIBITION
CERTIFICATE
FAQ
- Who are we?
We are based in Beijing, China, start from 2009,sell to South Asia(30.00%),Domestic Market(20.00%),Southeast Asia(8.00%),South America(5.00%),Western Europe(5.00%),Mid East(5.00%),North America(5.00%),Central America(5.00%),Africa(5.00%),Oceania(5.00%),Eastern Asia(2.00%). There are total about 51-100 people in our office.
2. How can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.What can you buy from us?
Interlock Kelly Bar,friction kelly bar,drill bucket,casing,used bored piling rig
4. Why should you buy from us not from other suppliers?
Our company mainly produce the kelly bar,drill bucket, casing,used rig ,drill spare. we have the professional engineers and team, focusing on the manufacture of kelly bar, drill tools,casing series for 16 years, can satisfy different clients requirement.
5. What services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,CIP,DDP,DDU,Express Delivery,DAF,DES；
Accepted Payment Currency:USD,EUR,JPY,CAD,AUD,HKD,CNY;
Accepted Payment Type: T/T,L/C,D/P D/A,Credit Card,PayPal,Western Union,Cash,Escrow;
Language Spoken:English,Chinese,Spanish,Japanese,Portuguese,German,Arabic,French,Russian,Korean,Hindi,Italian
Welcome Contact Us
Due to space limitations, not all product details are displayed. For details, please consult Cathy Lee, WhatsApp+8613311085686
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.