Purchase Qty. Reference FOB Price
1-9 Pieces US$45.00
10-99 Pieces US$44.00
100-999 Pieces US$43.00
1,000+ Pieces US$40.00
Product Description
Application: Single-action double-tube core bit suitable for geological strata: granite, fine-grained granite, quartz-bearing granite, quartzite, siliceous rock, bluestone slate, conglomerate Working Principle of the Single-Action Double-Tube Assembly: During the drilling process, the outer ...