Advantage :concave bit orientation, good hole straightness, three drainage holes, smooth exhaust and fast slag discharge
Diameter: 172mm
Air Holes No.: 2
Gauge Buttons:8*18mm
Face Buttons: 6*16+4*15mm
Approx. Weight::29.0KGS
Bit Face Type::Concave face
Carbide Design: Dome
Rock drill bits Shank types: M 30, M 40, M 50, M 60/65, M 380.
DTH drill bits hole diameter: 3”, 4”, 5”, 6”, 8”(85mm-305mm)
Concave Face
The all around application bit face designed specifically for medium hard and homogeneous rock formations. Good hole deviation control and good flushing capacity.
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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