Purchase Qty. Reference FOB Price
10-99 Pieces US$6.00
100-499 Pieces US$5.50
500+ Pieces US$5.00
Product Description
Product Description 1. Thinner diamond segment and thinner tube wall can easily reduce the resistance and increase the drilling speed (compare with the assembly type) 2. Provide 20% higher drilling performance, particularly in difficult operating conditions. 3. Very fast drilling speed and low ...