

Add to Cart
Good wear deep hole drilling machine casagrande OD470 friction kelly bar
Kelly Bar Production Process
Interlocking kelly bar is of great pressure transmission and good anti-contortion perfomance. There are 3 rigid parts between drilling pipes to transfer greater pressure from embedding cylinder. And even at the hard geologic condition it can transfer greater pressure and drill in. Stair key, organization transmission, the outside key is made by highly wear-resisting tempering steel. For soft fromations, (weak) weathered rock, hard strata construction.
FAQ
1. who are we?
We are based in Weifang Shandong, China, start from 2004,sell to
Africa(19.00%),Mid East(15.00%),South America(14.00%),North
America(12.00%),Southeast Asia(12.00%),South Asia(11.00%),Eastern
Europe(10.00%),Domestic Market(1.00%),Oceania(1.00%),Southern
Europe(1.00%),Northern Europe(1.00%),Central America(1.00%),Western
Europe(1.00%),Eastern Asia(1.00%). There are total about 101-200
people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
Interlocking Kelly Bar,Friction kelly bar,Drilling
tools,Casing,Tremie Pipe ,Used Rigs,Rotary Drilling Rig Spare
Parts.
4. why should you buy from us ?
For more than 10years,Beijing Jietaihongli Technology CO., Ltd. has
been a trusted name in the kelly bar and pile driver manufacturing
industries.
5. what services can we provide?
Accepted Delivery Terms:
FOB,CFR,CIF,EXW,FAS,CIP,FCA,CPT,DEQ,DDP,DDU,Express
Delivery,DAF,DES;
Accepted Payment Currency:USD,EUR,CNY;
Accepted Payment Type: T/T,L/C,D/P D/A,MoneyGram,Credit
Card,PayPal,Western Union,Cash,Escrow;
Language
Spoken:English,Chinese,Spanish,Japanese,Portuguese,German,French,Russian,Korean,Hindi,Italian
Welcome Contact Us
Due to space limitations, not all product details are displayed. For details, please consult Cathy Lee, WhatsApp+8613311085686