Welded Type IADC Code 637 8 1/2inch Rock Drill Bit For Core Barrel
Brand Name:Unique
Certification:ISO9001:2008
Model Number:UCRB
Minimum Order Quantity:1 PCS
Delivery Time:1-3 days
Payment Terms:L/C, D/A, D/P, T/T, Western Union
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Location:
Changsha Hunan China
Address:
ROOM 110, BUILDING 2, KAIYUANXINGE, NORTH OF KAIYUAN ROAD, SOUTH OF WANGXIAN ROAD, XINGSHA DISTRICT, CHANGSHA, HUNAN PROVINCE, CHINA
Supplier`s last login times:
within 38 hours
Product Details
Company Profile
Product Details
ISO9001 54 HRC Rotary Tricone Rock Drill Bit For Rock Layer
1.Material:Tungsten carbide alloy
2.Various hardness available:The most cost-effective teeth can be recommended according to various hardness and formations as per customer needs ；
3.Many choices of teeth shape:Wear-resistant weld, bar, point, dot, thread, smooth and other appearances; diversified appearances to meet different customer needs;
4.Inventory:Large inventory and spot supply;
5.Production workshop:Videos and pictures of the manufacturing process provide visible details and quality;
6.Working Performance:Comparison of working photos of domestic, international and Unique teeth under same construction, Unique teeth have better performance after use;
7.Package:Plastic boxes, unified wooden box with reinforced with sealing strips etc;
Carbide Bullet Teeth use high grade alloy steel and tungesten carbide tip and adopt advancedbrazing technology to produce high quality, high wear resistance, long life cutters. we also can produce all kind of rotary bits, trenching bit and flat bit according to customers' requirements.Usage: Coal cutting, Mining, Oil drilling, Well dig, Road Milling 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
Unique Rock Auger Teeth B47K Rock Drill Bit Holder
Product Advantages
| Material | Tungsten carbide 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; |
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'' |
Welded Type IADC Code 637 8 1/2inch Rock Drill Bit For Core Barrel
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