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Kings Rock Tools: Applications of H-Type and R-Type Hollow Drill Steels
Release time:
Aug 15,2024
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Hollow Drill Steels, as a key component of rock drilling tools, play a vital role in rock drilling, quarrying, and construction projects. Hollow Drill Steels are primarily categorized into two types: H-Type (hexagonal) and R-Type (round ). These two types have their own unique features, and choosing the appropriate drill steel based on specific needs to significantly improve work efficiency.
H-Type Hollow Drill Steels
H-Type Hollow Drill Steels are named from the word "Hexagon". This design makes H-Type Hollow Drill Steels more efficient in torque transmission, reducing the risk of slipping during rotation. Moreover, due to the uniqueness of shape, H-Type Hollow Drill Steels are less prone to wear and deformation, even under long-term high-intensity using. Therefore, they are particularly suitable for high torque applications. Common H-Type drill steel models include H22,H25, H28,H32 and H35, Larger numbers indicate a thicker drill steel capable of handling greater torque.
R-Type Hollow Drill Steels
R-Type Hollow Drill Steels feature a round , with "R" corresponding to the English word "Round." Although they may not be as efficient in torque transmission as H-Type Hollow Drill Steels, they have greater versatility and adaptability, capable of handling a wider range of drilling environments. For example, in scenarios with complex and variable geological conditions,choosing R-Type Hollow Drill Steels is more appropriate. Common R-Type drill steel models include R32, R39, R46 and R52, Similar to H-Type Hollow Drill Steels, larger numbers mean a thicker drill steel.
If you find the above is too complicated, we can simplify it according to the usage scenario: 1: Round Hollow Drill Steels are typically used for surface mining and large-scale underground mine drilling operations. 2: Hexagonal Hollow Drill Steels are more commonly used in tunneling and construction foundation.
Whether it's H-Type or R-Type Hollow Drill Steels, both have their unique advantages and specific applications. It is crucial to choose the appropriate type of drill steel based on specific job requirements. For example, in hard rock projects where high torque is required, H-Type Hollow Drill Steels will be a better choice; with varying geological conditions or where frequent tool changes are necessary, R-Type Hollow Drill Steels should be prioritized. Proper selection not only ensures safe and efficient operations but also effectively extends the service life of the Hollow Drill Steels and reduces maintenance costs.
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