440mm dia drilling kelly bar

Drilling Bucket With Rock Drilling Teeth--Conical& Straight Product Description (1)Built-in ventilation pipe. (2)Cast pilot with rock drilling bit...

Dia 25mm WCu20 Tungsten Copper Alloy Rod Bright Surface For Electrodes 1. Description of Copper Alloy Rod Tungsten Copper Alloy For Electrodes : The e...

440mm Dia Drilling Kelly Bar for BG 28 Piling Rig 1. Material: Q345B or 35CrMo 2.Type: Interlocking kelly bar, friction kelly bar, combined interlocki...

Drilling Kelly Bar Square Kelly Rod 200*200 For Kato Rig Column Four Side Special Application Foundation Drilling Equipment, Rotary Drill Rig, Piling ...

Interlocking Kelly Bar Number Outer Diameter(mm) Elements Max Drilling Depth(m) Retracted Length(m) 1 254 2 or 3 10 to 30 6.45 to 11.45 2 292 2 or 3 1...

Each kelly shall be conduct 4145H full length heat treatment to ensure that hardness can reach 285-341HB at 1inch from OD; impact energy more than 54J...

Construction Machinery Parts IMT Kelly Bar For Piling Solutions Advantages of the IMT Multi-Lock Kelly Bar The rotary on the kelly bar can be locked a...

Kelly Bar Rotary Drilling Rig Piling Tools Construction Foundation Drilling Kelly bar is the key part of a drilling machine, transfer the torque of th...

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 ext...

Interlocking Kelly Bar For SANY/ZOOMLION/XCMG Rotary Drilling Rig Kelly is a key component of the drilling rig. We improve the product by virtue of ri...

419m Dia 4 Element X 14m Bauger Standard Friction Kelly Bar Friction Kelly Bar 4 element x 14m Bauger standard Kelly Box with outer kelly diameter 419...

Strong Abrasion Resistance rotary drilling dia 377mm deep foundation friction kelly bar for sale Products Feature 1.Top quality raw materials from lea...

60mm 2 Meters Length Jet Grouting Double Drilling Rod Kelly Bar Drilling Pipe Jet Grouting Drilling Tools Drilling Rod Kelly Bar Drilling Pipe/Drillin...

Combined Interlocking Kelly Bar Drilling Rig Spare Parts Full Interlocking Kelly Bar Combined Interlocking Kelly Bar Description of Drilling Rig Spare...

Used Sany Sr200 hydraulic rotary drilling rig with interlock kelly bar less working hours *, *::before, *::after {box-sizing: border-box; } * {margin:...

Kelly cock valve Kelly cock is also called kelly Cock or drill pipe safety valve. It is a manual control valve in the drilling string circulation syst...

API 7-1 Square or Hexagonal Kelly for Oilfield Drilling Product Introduction Kelly is on the top of the drill stem. Kelly is main driver of the whole ...

We can provide kelly bar for BAUER, MAIT, IMT, SOILMEC, CASAGRANDE and other foreign brands rotary drilling rig. 1. High quality and competitive price...

84mm-105mm Working Pressure 15-35 Bar SRC531 RC Drill Bit For Water Well Drilling Product Introduce: A reverse circulation drilling method for drillin...

220/180KN Left Thread T30/16 Self Drilling Hollow Bar For Ground Engineering Hollow Bar System consists of fully threaded steel bar sections, couplers...