Construction Machinery Parts for Drilling Friction Kelly Bar

• Type: Bearing
• Application: Hard Rock Drilling
• Certification: ISO9001: 2000
• Condition: New
• Name: Engineering & Construction Machinery Parts
• Size: Customized
• Model NO.: EFL-068
• Material: Q345b, 35CrMo, 27simn
• Specification: Friction Kelly Bar
• Origin: Shandong China
• Production Capacity: 120 Tons/Months

Product Description

Diameter(MM)	Elements	Length(M)	Torque(KN·M)	Max DrillingDepth(M)
355	3&4&5	8-12	180	54
377/368	3&4&5	8-13	220	59
406/394	3&4&5	8-14	230	64
419/426	3&4&5	8-15	250	69
440/445	3&4&5	8-15	259	69
470	4&5&6	8-17	280	95
508	4&5&6	10-17	320	95
530	4&5&6	10-20	380	112
575	4&5&6	10-21	420	118
630	4&5&6	10-21	460	118

1.Q:Are you trading company or manufacturer?
A: We are factory with more then 15years experience
2.Q: How long is your delivery time?
A: Generally it is 15-30days as we are Customized service we confirm with
Customer when place order
3.Q:Do you provide samples? ls it free or extra?
A: Yes we provide samples .for sample charge as per sample condition to
decide free or charged ,usually for not too much time used consumed machining
process are free
4.Q:What is your terms of payment?
30% T/T in advance balance before shipment .Or as per discussion
5.Q: Can we know the production process without visiting the factory?
A:We will offer detailed production schedule and send weekly reports
with digital pictures and videos which show the machining progress
6.Q:Available for customized design drawings?
A: YesDWG.DXF.DXW.IGES.STEP. PDF etc
7.Q:Available for customized design drawings?
A: Yes ,we can sign the NDA before your send the drawing
8.Q:How do you guarantee the quality?
A:(1) Checking the raw material after they reach our factory------
Incoming quality control(IQC)
(2) Checking the details before the production line operated
(3) Have a full inspection and routing inspection during mass production---
In-process quality control(IPQC)
(4) Checking the goods after they are finished---- Final quality control(FQC)
(5) Checking the goods after they are finished-----Outgoing quality control(QC)
(6)100% inspection and delivery before shipment.