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969
In addition to their durability, stone drill bits for hard rock must also be capable of efficiently penetrating tough rock formations
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Seals, including oil seals, have undergone a great development in recent years and are totally unlike the original product. PTFE has taken over the oil seals market for modern engines mainly because traditional oil seals started causing more and more problems. Such as evaporation of chemical plasticisers from the elastomeric material, which eventually caused engine oil leakage. Now, the focus is more on durability and frequency of servicing.
Rubber material
(ASTM*1 code)- In addition, lip seal gaskets are relatively easy to install and maintain, reducing downtime and maintenance costs. They can be easily replaced if damaged, and their simple design makes them compatible with a wide range of applications.
- Maintenance of the 14mm spark plug is also relatively straightforward