· Retract bit : gains recognition for its stably high quality. If your worry is about where the hole caves in, the bit hardly back out from the hole, this product is designed to scrape the hole with the help of the tail blade and l...
· Retract bit : gains recognition for its stably high quality. If your worry is about where the hole caves in, the bit hardly back out from the hole, this product is designed to scrape the hole with the help of the tail blade and let the bit move out smoothly. The special tail blade is the highlight.
Advantage: the back of the easy-return drill shatter rocks that cause stuck and assure a smooth drilling operation under the condition of stuck drill/ hole wall unstable.
Digging depth： 200m hard ground
· DTH bit mission 50-140: high quality and competitive price. Has received good feedback, growing demands once accessing the market. Very recommendable with high quality and competitive price.
Digging depth: 300-800m depending on different stratigraphic conditions.
· Hot-pressed inserts tapered bit: Highly durable with Thermal retention process as highlight. This tech keeps the holding force between perforations and the alloy; compared to Conventional cold press assembly, it better reduces unnecessary damage to the perforation.
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