Rotary drilling kelly bar / Friction kelly bar
Interlocking kelly bar
What model kelly bar we can make?
Bauer Kelly bar ---BG15,BG20,BG28,BG40,BG48.etc.
Soilmec Kelly bar --SR30,SR40,SR50,SR60,SR80,RT3-ST.
IMT Kelly bar ---AF180,AF280,AF220,AF200, etc
Mait Kelly bar ---HR130,HR180,HR280, etc
CASAGRANDE / SANY / XCMG / ZOOMLION / CSR/ TEG/ SUNWARD/ LOVOL /YUTONG
AS a proficient, we tell you......
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.,
Who is you partner?
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.
what proves my Quality?

Carefully packing & Timely shipping
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.

Send Inquiry to This Supplier
You May Also Like
-
Rexroth Replace Piston Pump A10 A10VG A10VG18 A10VG28 A10VG45 A10VG63 Hydraulic Axial Piston PUMP R902074361 A10VG28DGDM2/10R-NSC10F04NegotiableMOQ: 1 Piece
-
Chromium Carbide Overlay Wear Plate Excavator Crusher Bucket LinerUS$ 399.69 - 399.69MOQ: 1 Square Meter
-
For Volvo Penta Fuel Filter 20998367 (7420514654 – 20998367)NegotiableMOQ: 1 Piece
-
Supply Excavator Flameout Solenoid Valve 1A021-60017 455-9315 8M1584NegotiableMOQ: 1 Pint
-
Spare Part 04248-50625 Rod for Construction and Retail IndustriesUS$ 3.00MOQ: 1 Unit
-
Rexroth Replace A4VG28 A4VG45 A4VG50 A4VG56 A4VG71 A4VG125 A4VG180 Axial Piston Variable Hydraulic Pump AA4VG71EP3DM1/32L-NSF52F041SP-SNegotiableMOQ: 1 Piece
-
Danfoss 90 Series 90R042 90R075 90R100 90R130 90R180 90R250 Series Piston Pump 90R075 FMDBC6US7C6 DB6 GMC454530NegotiableMOQ: 1 Piece
-
Parker Hydraulic Pump P2060 P2075 P2105 P2145 P3075 P3105 P3145 Series Hydraulic Piston Pump P3145L00C1C30TA30V50S1B1E New PumpNegotiableMOQ: 1 Piece
-
A2VK Series A2VK5 A2VK12 A2VK28 A2VK55 A2VK107 Polyurethane Measuring Axial Piston Variable Pump A2VK12MAGR4G1PE1-SO2NegotiableMOQ: 1 Piece
-
Rexroth Hydraulic Motor A2F A2FO A2FO A2FO200/250/500/60R-VPH1 Series Fixed Bent Axis Piston Pump Hydraulic Motor A2FO12/61R-PB06 R9021NegotiableMOQ: 1 Piece







