Atlas copco Thread Shank Adaptors from Bestlink 1. Size: R28, R32, R38, T38, T45, T51, T60 2. Suitable for rock drills made by BoartLongyear, Atlas Copco, Bohler, Furukawa, Gardner Denver, Holman, Ingersoll Rand, Joy, Le Roi, Montabert, Mitsui, Seco/Secan, Secoma, Tamrock, Tokyo Riuki, Toyo 3. Thread: R32, R38, T38, T45, T51 4. Diameter: 37.8, 38, 44.3, 44.8, 44.9, 45, 51.7, 51.9, 54, 55.5, 57, 57.8, 60, 65, 68, 69, 74.9, 79mm 5. Length: 245-880mm 6. Package: in wooden case or in bundles. 7. Productivity: 2000pcs/month