Bit size:12 1/4”

Body type: matrix body

Primary Cutter Size:13mm

Junk Slot Area(in2)：32.2

Thread connections:6 5/8”

Number of nozzles:7

RPM:60~260 r/min

WOB:30~140 KN

Flow Rate:35~70L/S

Gauge Length:2”

Package:Fumigation-free wooden box

Advantages:Fast drill speed and more safety

Formations: Hard to hard formation with compressive strength, moderately abrasive, such as limestone, anhydrite, sandstone, dolomite and so on.