Product name: | rotary drill kelly bar |
---|---|
Type: | interlocking or friction kelly bar |
material of 1st-2nd sections: | 16Mn |
material of 3rd sections: | 27SiMn |
material of 4th sections: | 35CrMo |
Size/diameter: | as per customer demand |
Color: | yellow or Customized |
Application: | drilling rig |
Certification: | IS9001 |
Quick Details
Specifications
Kelly bar is the key part of a drilling machine ,and its quality directly affects the performance of the whole machine based on the rich manufacturing experience and by absorbing the advanced technology both at home and abroad ,we can produce first-class kelly bars which can be matched with drilling rigs of Bauer,Sany,Soilmec,MAT,IMT,Casagrade,etc.
Features of our kelly bar
a) . Material & Technical---35CrMo / 27 SiMn .Q345C high alloy seamless steel pipe under quenched-tempered heat treament.
b) . Professional experienced R&D department, strictly QA&QC development.
c) . Feedback within 24 hours from professional consultors.
d) . Higher hardness, higher flexibility,excellent welding technology.
e ) . Thinner tube, smaller inter-tube distance, good abrasion resistance.
f) . Advanced technology of 6-key design, standard modular design
A) Interlocking 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,.
Interlocking Kelly bar |
Type |
Outdiameter (mm) |
Section |
Depth(m) |
Torque(KN.M) |
DZ340-3-13 |
340 |
3 |
36 |
120 |
DZ 356-3-13 |
356 |
3 |
36 |
120 |
DZ377-4-14 |
377 |
4 |
52 |
150 |
DZ406-4-14 |
406 |
4 |
52 |
200 |
DZ 445-4-15 |
445 |
3 |
56 |
250 |
DZ 445-3-15 |
445 |
4 |
42 |
250 |
DZ470-4-15 |
470 |
4 |
56 |
250 |
DZ508-4-15 |
508 |
4 |
56 |
250 |
Note:Paragrame is only as reference, adjusted according the actural need |
B)Friction Kelly bar
Friction kelly bar is composed 3 or 6 sets straights wear-resistant seamless alloy strips. Working by rotary Friction power digging hole, apply for soft layer, like mud or sand layer etc,
Friction Kelly bar |
||||
Type |
O.D (mm) |
Section |
Depth(m) |
Torque(KN.M) |
DZ 340-4-13 |
340 |
4 |
49 |
120 |
DZ356-3-13 |
356 |
3 |
49 |
120 |
DZ 377-4-14 |
377 |
4 |
52 |
150 |
DZ 394-4-13 |
394 |
4 |
36 |
200 |
DZ 406-5-14 |
406 |
5 |
64 |
220 |
DZ 406-5-15 |
406 |
5 |
70 |
250 |
DZ 419 5-15 |
419 |
5 |
70 |
250 |
DZ 440-5-15 |
440 |
5 |
83 |
250 |
DZ 470-6-16 |
470 |
6 |
89 |
250 |
DZ 508-6-16 |
508 |
6 |
89 |
280 |
DZ 530-6-18.7 |
530 |
6 |
110 |
300 |
DZ580-6-18.7 |
580 |
6 |
110 |
400 |
Note:Paragrame is only as reference, adjusted according the actural need. |
Packing of Drill equipment auger bit | Customized or Genral packing (Wood box+PVC bag+stock) |
Delivery time | within 15 days after deposit |
Payment | T/T 50% deposit, 50% balance before out of factory |
Trade terms | FOB Tianjin CIF AS YOU REQUEST |
1) Standard or OEM or customized products are provided
2) Track the production
3) Arrange samples for inspection if needed
4) Take photos for confirmation ,or make testing by the Third party before shipment
5) Arrange for customs clearance
6) Track the shipment
7) Track problems after order
8) Collect suggestions from customers
Beijing Dazheng Yongye Construction Mahinery Co.,Ltd ,founded in 2008 ,with more than 8 year`s manufacture experiences in Rotary drill spare parts ,is specialized in supplying variours drilling tools ,include bullet teeth (round shank cutter bits ,cutting bits,drilling teeth ),drill bucket.,core barrels,drill augers,kelly bars,speed reduces.
1. Factory Picture