Place of Origin: | China (Mainland) |
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Brand Name: | HW |
Model Number: | HW8021 |
Quick Details
Specifications
Drill Bit is to promote the coal ministry has the list of product, the hardness is divided into two categories, type I is suitable for soft rock drilling, type Ⅱ is suitable for hard rock and hard rock drilling.
Type: Divided into dry type and wet type.
Specification: 28/2, 32/2, 42/2
Features: fast drilling, wide drilling range, save time,save labour, simple connecting method, durable and so on.