Diameter: 140mm :
Gauge Buttons: 8*16mm :
Front Buttons: 6*16mm+3*14mm :
Face Design: Flat :
Carbide Design: Drop Centre，Dome :
Reverse Circulation Bits
Product name:Reverse Circulation Bits
Application range: All kinds of rock formation.
Face design: flat,convex,concave
Inserts design:spherical,ballistic, parabolic
Contact: Chris Li
Phone: 13867850196
E-mail: sales@bloommachinery.com
Whatsapp:+86 13867850196
Add: Hehua Bridge, Yunlong Town, Yinzhou Distric, Ningbo City, ZheJiang Province
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