... stabilizer," the early seventies developed by the United States, Professor Scott, as a patented product by the Ingersoll-Rand Company, supply ... ,39mm,40mm,43mm,45mmLength:1.2m,1.5m,1.9m,2.0m,2.4m,3m,4m,6mPlate:140 x 140 x 6mm ... be customized according to customers' requirements. Mining Rock Drill Bolt 2.4M