Hunan Unicorn Machinery Co., Ltd
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Sany Sr250 Kelly Bar In Construction Machinery

—Q345B, 16Mn, 27SiMn, 35CrMo, Kelly Bar, Interlocking Kelly Bar, Friction Kelly Bar
Product Category: Construction Machinery Parts
Sales Method: Export, Manufacture, Wholesale, Retail
Payment Term: T/T, L/C, Western Union
Trade Term (Incoterms): EXW, FOB, CIF, DDP
Min. Order Unit Price
1 Set USD 15000 / Set
Contact Info

Ms.Mier Lu

Address: China (mainland) Hunan Changsha,N0.11-1607, Weilaikangqiao, Lixiang Road, Changsha, Hunan Province, China

Product Detail

Product Attribute:

  • China (mainland) More >
  • Sany Sr250 Kelly Bar In Construction Machinery
  • Unicorn Drill
  • Q345B, 16Mn, 27SiMn, 35CrMo
  • 1 Year or 2000 working hours
  • Heat treatment and forging
  • 06/20/2018
  • 06/22/2018

Product Content Description:

Sany Sr250 Kelly Bar In Construction Machinery Unicorn Drill Kelly Bar: Frictional kelly bar needn't unlock the joint of its inner and outer lining so that it is convenient and fast to lift the bar. Non-stair key, friction transmission the outside key is made by highly wear-resisting tempering steel. For layer of soft ground and mud, mud, (mud) sand, gravel. Interlocking kelly bar is of great pressure transmission and good anti-contortion perfomance. There are 3 rigid parts between drilling pipes to transfer greater pressure from embedding cylinder. And even at the hard geologic condition it can transfer greater pressure and drill in. Stair key, organization transmission, the outside key is made by highly wear-resisting tempering steel. For soft fromations, (weak) weathered rock, hard strata construction. Standard Interlocking Kelly Bars: Identification No. Torque(ton.m) O.D.(mm) sections Drilling Depth(m) IK 36/470/3/27~28 36 470 3 27~28 IK 36/470/4/36~72 36 470 4 36~72 IK 25/440/3/36 25 440 3 36 IK 25/440/4/50 25 440 4 50 IK 28/394/3/24~48 28 394 3 24~48 IK 28/394/4/32~65 28 394 4 32~65 IK 18/377/3/36 18 377 3 36 IK 18/377/4/50 18 377 4 50 IK 22/406//3/36 22 406 3 36 IK 22/406/4/50 22 406 4 50 IK 36/508/4/60 36 508 4 60 * Other sizes can be manufactured as per customer demand Standard Friction Kelly Bars: Identification No. Torque(ton.m) O.D.(mm) sections Drilling Depth(m) FK 36/470/3/27~28 36 470 3 27~28 FK 36/470/4/36~72 36 470 4 36~72 FK 25/440/3/36 25 440 3 36 FK 25/440/4/50 25 440 4 50 FK 25/440/5/65 25 440 5 65 FK 28/394/3/24~48 28 394 3 24~48 FK 28/394/4/32~65 28 394 4 32~65 FK 18/377/3/36 18 377 3 36 FK 18/377/4/50 18 377 4 50 FK 22/406//3/36 22 406 3 36 FK 22/406/4/50 22 406 4 50 FK 36/508/4/60 36 508 4 60 FK 36/508/5/75 36 508 5 75 * Other sizes can be manufactured as per customer demand

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