Maxdrill shank adaptors ensure a quality drill string interface to the most exacting industry tolerances. Built to seamlessly interface with hydraulic and pneumatic drifters and top hammers, our shank adapters come in a full range of industry-standard thread configurations. Our precision grinding process ensures straightness, and our tools are fully carburized with an advanced heat treatment. Different shank adapters are available, like Atlas Copco, Tamrock, Ingersoll Rand,etc. Also for the same drill machine, due to different applications, the shank adapters can be different length and different threads Atlas Copco (COP1238, COP1838, COP1032 and etc) Furukawa (HD715, HD612, HD609, PD200 and etc) Ingersoll-Rand (VL140, VL671, YH80A and etc) Tamrock(HLX5, HL600, HL500, HL300, HL 700, HL850, HL1000, HL1500 and etc) Size: R28, R32, R38, T38, T45, T51, T60 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 Thread: R32, R38, T38, T45, T51 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 Length: 245-880mm Package: in wooden case or in bundles. Productivity: 2000pcs/month