Threaded button bit T51-102mm ,
102 T51 14 button DC bit
14mm*12+13mm*2

Premium designs and steel and premium tungsten carbide insert grade T6 supplied by Boart Long year, Offers industry-leading strength and penetration rates for more productivity,Excellent straightness and hole clean quality,Get max.drilling performance for rock drills with long life to save up fuel cost rate.

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