Drill bits part no: 17531 M39-22 suitable for drill pipes with Ø22 diameterheight: 83,5mmweight: 0.43 kg part no: 17953 K36-25 suitable for drill pipes with Ø25 diameterheight: 74,4mmweight: 0.42 kg part no: 13195 U76-31 suitable for drill pipes with Ø31 diametercylindrical shape of threadheight: 122mm part no: 13182 V76-39 HD suitable for drill pipes with Ø39 diametercone shape of threadadditional two carbide segments on the top