Drill bits M39-22 suitable for drill pipes with Ø22 diameter height: 83.5 mm weight: 0.43 kg part no: 17531 K36-25 suitable for drill pipes with Ø25 diameter height: 74.4 mm weight: 0.42 kg part no: 17953 U76-31 suitable for drill pipes with Ø31 diameter cylindrical shape of thread height: 122 mm part no: 13195 V76-39 HD suitable for drill pipes with Ø39 diameter cone shape of thread additional two carbide segments on the top part no: 13182