Large alloy holders Drilling Rock bullet teeth
The picks for rotary drilling rigs are mainly applicable to various hard soil layers, sand gravel formations, hard frozen soil, soft rock, medium hard rock, hard rock, weakly weathered, moderately weathered rock and other formations with high strength. During the construction of rotary drilling rigs, the performance of cutting tools (rotary drilling tools, rotary drilling picks and tooth seats) is required to be high, so the rotary drilling picks and tooth seats must have good impact resistance, wear resistance and other properties.
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'' |
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Due to space limitations, not all product details are displayed. For details, please consult Cathy Lee, WhatsApp+8613311085686
