Q345B Drill Depth Forging Kelly Bar 53m Rotary Construction Machinery
construction machinery parts 53m drill depth forging kelly bar rotary drilling
Products Feature
Two types of kelly bars:
1.Friction Kelly Bar
2.Interlocking Kelly Bar
Interlocking kelly bars are used with pilling rigs for drilling in dense sand, gravel and weak to strong rock. The interlocking kelly bars can be fully locked by mechanical locking system on each section. Kelly bars can be equipped with specially designed springs or pressure plates for shock absorbing purpose.
Products description
Kelly Bar is the key part of a drilling machine,and its quality directly affects the whole machine based on the rich maunfacturing experience and by absorbing the advanced technology both at home and board,we can produce first-class kelly bars which can be matched with drilling rigs of Bouer,Sany,Soilmec,MAT ,IMT,Casagrande,etc.
| Technical Specification of Interlocking Kelly Bar | |||||
| Number | Out Diameter (mm) | Interlock | Interlock | Single Length(m) | Drilling Depth(m) |
| 1 | 273 | 3 | * | 9~12 | 24~33 |
| 2 | 299 | 3 | 4 | 9~12 | 24~44 |
| 3 | 325 | 3 | 4 | 9~12 | 24~44 |
| 4 | 355 | 3 | 4 | 9~14 | 24~65 |
| 5 | 368 | 3 | 4 | 9~14 | 24~65 |
| 6 | 377 | 3 | 4 | 9~14 | 24~65 |
| 7 | 394 | 3 | 4 | 9~15 | 24~70 |
| 8 | 406 | 3 | 4 | 9~15 | 24~70 |
| 9 | 419 | 3 | 4 | 9~15.5 | 24~72.5 |
| 10 | 440/445 | 3 | 4 | 9~15.5 | 24~72.5 |
| 11 | 470 | 3 | 4 | 9~16.5 | 24~93 |
| 12 | 508 | 3 | 4 | 9~18 | 24~102 |
| 13 | 530 | * | 4 | 9~19 | 24~108 |
| Remark 1Max Hole Depth = Pitch Number * Single Number - Pitch Number (m) | |||||
| 2Any other drill can be actual site measured, customized produced. Torque is customized according to customer's requirements. | |||||
FAQ
Q: Are you trading company or manufacturer?
A: We are factory.
Q: How long is your delivery time?
A: Usually it is 5~10 days if the goods are in stock. Or it is 45 days if the goods are not in stock, it is according to quantity.
Q: What ‘s your terms of payment?
A: Payment<=100USD, 100% in advance. Payment>=1000USD, 50% T/T in advance balance before shipment. irrevocable LC at sight.
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