... long widely spaced ,chisel-shaped inserts and considerable cone axis offset against center line of bit ensure very high penetration ... ,120mm,127mm(5”)130.1mm(5 1/8”),133.3mm(5 1/4”),139.7mm(5 1/2”),142.8mm(5 5/8”),149 ... .2mm(5 7/8”)152.4mm ... 637,737512,522,532,612,622,632,7326. How to ship the bits to your country? You Satisfaction Is Our Purpose! We ...