Rock Drill H-Thread Drill Rods and Rock Bits - www ...
2018-7-13u2002·u2002H-Thread Drill Rods and Rock Bits - Button Bits and Cross Carbide Bits. ... 'H' Thread Rock Bit Cross Carbide Insert 'H' Thread Rock Bit Button Carbide Insert . Length Under Collar 'AH' Series 'BH' Series. For broken and rough rock. For fast penetration. Feet (Inches) 7/8' x 3-1/4'
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