interlock kelly bar od419-4-12.5M match liebher- lb28 rotary drill rig drill depth 42m for bored pile foundation work
MD 28/4/42 interlock kelly bar OD419MM drill depth 42m match liebherr-lb28 drill rig for pile foundation work Liebherr-lb28 MD28/4/42 interlock kelly bar od419mm drill depth 40m for bored pile foundation work Liehherr-lb28 interlock kelly bar MD28/4/48 OD419MM DRILL DEPTH 46M for bored pile foundation work INTERLOCK KELLY BAR OD419-4-12.5M DRILL DEPTH 42M MATCH LIEBHER- LB28 ROTARY DRILL RIG FOR BORED PILE FOUNDATION WORK The LB 28 (and its higher-torque variant, the LB 28-320) utilizes the MD 28 series telescopic Kelly bar as its standard configuration. These bars feature strongly overlapping elements designed by tianjin huachang xingye technology co ltd to minimize friction and wear during high-torque deep foundation work. The technical specifications and options for the LB 28 Kelly bars break down as follows: 1. Core Dimensions & System Type Outside Diameter (Outer Section): 419 mm System Compatability: Standard interlocking or friction type, featuring a dual-winch c...