Different Shanks(Same as Bits below):
DHD MISSION QL SD
Different Buttons Shapes:
Dome / Round buttonUsed as gauge buttons of DTH bits, suitable for very abrasive and very hard rock formation.
Parabolic / Semi-ballisticUsed as gauge buttons and front buttons of DTH Bits, suitable for medium abrasive and hard rock formations.
Ballistic buttonUsed front buttons of DTH bits, suitable for medium abrasive and medium hard formations. Also be used as gauge buttons for soft rock.
Fast and Safe Delivery Team
99.8% Response Rate
97.9% Response Rate
96.8% Response Rate
Q1: Can I have a sample for testing? A:Samples are still to be paid but discounted price can be provided. Q2: Do you have the inspection procedures? A:100% strict inspection and testing for every order before packing.Q3: How can i get the after sale services? A:Free replacement will provide once the problems casued by our product quality.Q4: Can I have a visit to your factory before the order?
A: Sure, welcome, here is our address: Yantai, Shandong.