Beijing Jietai interlock kelly bar and fricition kelly bar

  Product Description   Interlocking Kelly bar   &   Friction Kelly bar  & drill rod  Kelly bar is a very important part of hydraulic rotary drilling rig, because its quality directly affects the performance of drilling rig by transmission pressure and work efficiency. Owing to adopt the advanced processing equipment and experienced engineers, strict quality control system, Our Kelly bars successfully matched with Bauer, IMT, Soilmec, Mait, Casagrande, Sany ,Zoomlion and so on for more than  10 years..  Interlocking kelly bar Interlocking pressure Kelly bar contains 3 or 6 external keys with 3 sets or more concave pressure parts.And the advantage of transfer pressure easily and better anti-torque capacity. It’s suitable for both like dense sand and gravel or weak to strong rock.  

Interlocking kelly bar
Type	O.D(MM)	Section	Depth(m)	Torque(KN.M)
JT12 340-3x13	340	3	36	120
JT12 356-3x13	356	3	36	120
JT15 377-4x14	377	4	52	150
JT20 406-4x14	406	4	52	200
JT22 406-4x14	406	4	52	220
JT25 445-4x15	445	4	56	250
JT25 445-3x15	445	3	42	250
JT25 470-4x15	470	4	56	250
JT25 508-4x15	508	4	56	250
JT28 508-5x15	508	5	70	280

  Friction kelly bar

Friction kelly bar
Type	O.D(MM)	Section	Depth(m)	Torque(KN.M)
JT12 340-4x13	340	4	49	120
JT12 356-3x13	356	3	49	120
JT15 377-4x14	377	4	52	150
JT20 394-4x13	406	5	36	200
JT22 406-5x14	406	4	64	220
JT25 419-5x15	419	5	70	250
JT25 440-5x15	440	5	70	250
JT25 470-6x16	470	6	83	250
JT28 508-6x16	508	6	89	280
JT30 530-6x18.7	530	6	110	300
JT40 580-6x18.7	580	6	110	400

  Accessories Related spares of kelly bar    Packaging & Shipping     Company Information  Beijing JieTaiHongLi Technology Development Co.,Ltd  specializeed in producing Kelly bar and accessories of drilling rig from 2004 year.  We have a professional experienced engineers group with advanced crafts and technology in our R&D department to provide technology support service. Now we have registered 10 Solo patents of our factory, we won sustained good reputation both in domestic and overseas.  We are manufactory and we welcome any trusted dealers  to cooperated with us. Ability of our factory:   Certifications      work site     Why you choose our factory?     Advantage & Features of our kelly bar : a). high quality material and rich manufacturing experience in welding process.    b).  reasonable price and advanced processing facilities.    c).  professional experienced engineers group from R&D department.    d).  Raw materials of seamless steel tube with alloy from Chinese top manufacturer.   e).  Higher hardness, higher flexibility, excellent welding properties.    f).  Thinner tube, smaller inter-tube distance, good abrasion resistance.   g). Advanced technology of 6-key design, standard modular design Guarantee & Service of kelly bar:  How to contact us? Send your inquiry details & Click "SEND", Now!