-
About UsMORE →
-
-
Classification of down the hole bit
Release time:
2020-03-06
Our DTH bits are manufactured in both high and low wind pressures,
Generally, the specifications of low wind pressure are φ 90, φ 95, φ 100, φ 110 and φ 130,The specifications of high wind pressure are φ 115 and φ 120, which are our common production models.

Focus on hot spots
MESSAGE BOARD
No matter you have any questions about the product, you can leave us a message and we will arrange a professional team to reply for you!
©2025 Ruilong Drilling Tools All rights reservedWebsite Powered by www.300.cn