Kelly Bar

Interlocking Kelly Bar APFLKB series kelly bars are designed to be used for dense sand, gravel and rock strata, with diameters ranging from Ø340-580mm. To guarantee long-life and reliability of the product, high quality materials provided with strict technical standards are applied in construction and welding manufacturing process. All Kelly bars have a warranty of one year or 2000 working hours. Service: Jiayou Xincheng VIP service relieves your worries: Troubleshooting

Friction Kelly Bar APFFKB series kelly bars are designed to be used for soft and silt strata, with diameters ranging from Ø340-580mm. To guarantee long-life and reliability of the product, high quality materials provided with strict technical standards are applied in construction and welding manufacturing process. All Kelly bars have a warranty of one year or 2000 working hours. Service: Jiayou Xincheng VIP service relieves your worries: Troubleshooting within 24 hours, the

Multi-locking Kelly Bar As opposed to standard interlocking kelly bars, multi-locking kelly bar can be locked at any point, hence resulting in better flexibility. The unique feature makes it able to transfer the entire constant crowd force to the drilling tool, hence maximizing efficiency and significantly improving the life of the whole kelly bar. To guarantee long-life and reliability of the product, APFMKB series kelly bars are made of special type steel with high strength

150KNm Rated Torque Drill Rig Kelly Bar Mechanical Locking Type Multilocking Kelly Bar Combined type kelly bar is a kind of combination drill, which is formed by mechanical locking type, full interlocking type, frictional type and other various forms. There are a variety of combinations. Generally speaking, the kelly bar may drill the hard layer in the range of 0-50 meters. It can be used for construction of soft layer formation when the hole depth is in the range of 50-70

Interlocking Drill Rod 36m Drilling Depth Multilocking Kelly Bar Multilocking Kelly Bar Interlocking kelly bar can be two type: one is 3 or 6 sets external straight bar with 3 or more pressure boards. The other is 3 sets external straight with full pressure keys on it, apply for IMT rigs. This interlocking kelly bar mostly used for hard layer, like rock or stone layer etc,. Model Outer diameter (mm) Layers*Lengthof each section Drilling depth (m) Rated torque (KNm) APFFLKB12