Application
Bauer / 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 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 terms: We offer EXW/FOB/CIF/CIP/DDP... Port price.

Payment terms: 30% T/T as deposit, 70% T/T balance payment before shipment.

Warranty & after-sale Service
ONE year since manufacture date. Out-of-warranty, online video for trouble-shooting or paid maintenance service with engineers sent to be abroad.