There are 38 kelly bar from 12 suppliers on EC21.com
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Kelly bar InfoUsually full lock kelly bar is composed of three weld-on ribs continuous concave and convex keys. It especillay for hard ground and frozen oil formation layer.When drilling process, the advantage is force uniform, not easy to stick pipe, particular to improve work efficiency.Kelly bar InfoUsually Interlocking Kelly bar is applied to strong hard rock formation. It adopts six-ribs and several sets drive pressure key welded onto their surface. Also inner keyboards are made from high-tensile steel under special heat treatment.
ApplicationBauer / Soilmec/ Casagrande/ Liebherr/ IMT / Mait / Sany /XCMG/ Sunward/ Zoomlion/ TEG or modified small drilling rig.
Materials & Technology
1st-2nd pipe Materials: 27SiMn or 35CrMo undergone quenched-tempered heat treatment.3rd-5th pipe Materials: Q345B undergone quenched-tempered heat treatment.Kelly drive stub Materials: Soid forging with HRC305-335 and tensile strength 1050 Mpa.External pressure key: 35CrMoTi.Kelly spring Materials:60Si2Mn.
Delivery & Package & Shipping time
Delivery time: Normally within 10 working days after get the deposit.
Package & Shipping time: Usually for Kelly bar exported standard wrapped with aluminum film and fixed pallet tray shipped by bulk cargo vessel.
Trade & Payment terms
Trade terms: We offer EXW/FOB/CIF/CIP/DDP...port price.
Payment terms: 30% T/T as deposit, 70% T/T balance payment before shipment.

| Registration Date | 2023/10/12(Year/Month/Date) |
|---|---|
| Buyer / Seller in EC21 | Seller |
| Business Type | Manufacturer |
| Year established | 2022 |
| Employees total | 6 - 10 |
| Annual revenue | USD 1,000,001 - 2,000,000 |
| Company | Hebei KongRui Machinery Equipment Co.,Ltd |
|---|---|
| Address | Hebei KongRui Machinery Equipment Co.,Ltd LangfangHebei065700China |
| Phone | 86 - 00 - 18210143398 |
| Homepage | www.krdrill.com/ |
| Contact | Jane wong |