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Help CenterBest Quality Casagrande Rotary Drilling Kelly Bar, Casagrande Interlocking Kelly Bar
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Rotary drilling kelly bar / Friction kelly bar
Interlocking kelly bar
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) |
| JT 340-3-13 | 340 | 3 | 36 | 120 |
| JT 356-3-13 | 356 | 3 | 36 | 120 |
| JT 377-4-14 | 377 | 4 | 52 | 150 |
| JT 406-4-14 | 406 | 4 | 52 | 200 |
| JT 445-4-15 | 445 | 3 | 56 | 250 |
| JT 445-3-15 | 445 | 4 | 42 | 250 |
| JT 470-4-15 | 470 | 4 | 56 | 250 |
| JT 508-4-15 | 508 | 4 | 56 | 250 |
Note:Paragrame is only as reference, adjusted according the actural need.
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) |
| JT 340-4-13 | 340 | 4 | 49 | 120 |
| JT 356-3-13 | 356 | 3 | 49 | 120 |
| JT 377-4-14 | 377 | 4 | 52 | 150 |
| JT 394-4-13 | 394 | 4 | 36 | 200 |
| JT 406-5-14 | 406 | 5 | 64 | 220 |
| JT 406-5-15 | 406 | 5 | 70 | 250 |
| JT 419 5-15 | 419 | 5 | 70 | 250 |
| JT 440-5-15 | 440 | 5 | 83 | 250 |
| JT 470-6-16 | 470 | 6 | 89 | 250 |
| JT 508-6-16 | 508 | 6 | 89 | 280 |
| JT 530-6-18.7 | 530 | 6 | 110 | 300 |
| JT 580-6-18.7 | 580 | 6 | 110 | 400 |
Note:Paragrame is only as reference, adjusted according the actural need.
Drilling rig kelly bar & spare parts
We supply all accessoreisfor rotary drilling rigs, like swivel joint, damper spring, motor, speed gearbox,damper rubber, base parts, like track roller, guide roller, gear ring, pulley etc.,
We have been supply one-stop service for rotary drilling rig since 2004 year, which specialize in producing kelly bar & spare parts, exported used drilling rigs, reapir & maintenanace.
We have been granted 10 patents by State Intellectual Property Office of P.R.China. For example, one of patents No.ZL2012 2 0161611L0, which is used for a multi locking type kelly bar. It's adapt to complicated geological condition and we get good feedback from Bauer, IMT, Soilmec, Mait, Liebherr, XCMG, SANY, Lovol, Yutong, Sunward, etc.
By the way, about kelly bar, We welcome any trusted foreign dealer cooperation in your local place.
High quality aluminum sheet wrapped kelly bar , wooden case for small accessories. Tianjin port and Beijing air port is the nearest port from our factort ,both are about one hour away distance.
YOU ARE MAKING SMART CHOICE
a) . Material & Technical---35CrMo / 27 SiMn / Q234B high alloy seamless steel pipe under quenched-tempered heat treament.
b) . Gold supplier on Alibaba with TRADE ASSURANCE to promise quality and delievery.
c) . Professional experienced R&D department, strictly QA&QC development.
d) . Feedback within 24 hours from professional consultors.
e) . Higher hardness, higher flexibility,excellent welding technology.
f ) . Thinner tube, smaller inter-tube distance, good abrasion resistance.
g) . Advanced technology of 6-key design, standard modular design.
1. Q: What's Material & Technology of Kelly bar?
A: 35CrMo / 27 SiMn / Q345B hIgh alloy seamless steel pipe under quenched-tempered heat treament.
2. Q: What's your delievery time of kelly bar?
A: Within 10 working days after confirmed deposit.
3. Q: What's your guarantee period of kelly bar?
A: 180 days under normal operation.
4. Q: What's your payment terms?
A: 30% T/T as advanced deposit,70% balance before shipment.
5. Q: Where your factory location?
A: Beijing in China, We welcome any visit and distributor cooperaton.
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